Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
ADC, DELTA-SIGMA; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: VSSOP; Package Shape: RECTANGULAR;
Median Price
$3.581
Lifecycle Status
Suppliers In-Stock
7
In-Stock Inventory
1k+
Analog Devices Inc
1+ parts
$5.270
100+ parts
$2.428
1k+ parts
$1.913
10k+ parts
Verical
-
$1.892
Nova Conductors
$2.295
Digiode
$5.140
Chip Stock
Vyrian
Anansix
Vigor
$1.790
One Stop Electronics
$1.970
Ampacity Inc.
Semicontronic
$1.921
$1.911
Continental Prestige Electronics
$2.249
Netroflash
Argo Parts USA
Corphita
$4.869
Corohmni
$6.897
Advanced Electronics
$8.737
$8.301
Aztec Data Supply Inc.
$11.670
MARBEL Systems
$18.647
Texas Native Microelectronics
$21.433
$19.933
$18.861
Parana Technologies
$24.193
$22.500
Kenton Components
$25.720
$22.633
IDEA Electronic Components Group
$26.014
$24.713
DigiPath Technology Company
$40.582
$38.959
Qasali Group International
$57.869
Robosynatics
Lucentia Tech
$0.029
Analog-to-Digital Converters LTC2452CTS8#TRPBF attributes and parameters. Explore more Analog-to-Digital Converters devices from Linear Technology
Converter Type:
No. of Analog In Channels:
No. of Functions:
No. of Bits:
Sub-Category:
Output Bit Code:
Output Format:
Maximum Linearity Error (EL):
Sample Rate:
Maximum Conversion Time:
Power Supplies:
Minimum Analog Input Voltage:
Maximum Analog Input Voltage:
Nominal Supply Voltage:
Moisture Sensitivity Level (MSL):
Minimum Operating Temperature:
Maximum Operating Temperature:
Temperature Grade:
Peak Reflow Temperature:
Maximum Time At Peak Reflow Temperature:
Terminal Position:
No. of Terminals:
Terminal Form:
Terminal Pitch:
Surface Mount:
Width:
Length:
Maximum Seated Height:
Package Body Material:
Package Style:
Package Shape:
Package Equivalence Code:
Package Code:
JESD-30 Code:
Qualified:
JESD-609 Code:
LTC2452CTS8#TRPBF Converters trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
U.S. In July 2016, Analog Devices agreed to buy Linear Technology for 14.8 billion dollars. This acquisition was finalized on March 10, 2017. The Linear name survives as the "Power by Linear" brand that is used to market the combined power management portfolios of Linear Technology and Analog Devices.
LM7805CT
Fairchild Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
STM32F103C8T6
STMicroelectronics
STM32F103C8T6 by STMicroelectronics is a 32-bit microcontroller with 48 terminals, operating at up to 16 MHz. It features 10-Ch 12-Bit ADC channels and 7 DMA channels, suitable for industrial applications requiring low power consumption and high-speed connectivity via CAN, I2C(2), SPI(2), USART(3), USB.
2N2222A
Hi-tron Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
SS14
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2803A
Sanken Electric
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; JESD-30 Code: R-PDIP-T18; Package Body Material: PLASTIC/EPOXY;
2N7002
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Time At Peak Reflow Temperature (s): 40; Minimum DS Breakdown Voltage: 60 V;
SMBJ18CA
Db Lectro
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Vishay Intertechnology
Vishay Intertechnology's BAV99 diode features a max forward voltage of 1.3V and a max output current of 0.15A, making it ideal for rectification applications. With a small outline package style and dual terminal position, this series-connected diode is designed for surface mount usage in various electronic circuits with an operating temperature range from -55°C to 150°C.
LL4148GS08
Temic Semiconductors
LL4148GS08 by Temic Semiconductors is a glass diode with a max reverse recovery time of 0.008 us and max forward voltage of 1 V. It is a rectifier diode with a max output current of 0.15 A, ideal for applications requiring fast switching speeds and low power dissipation in electronic circuits.
Vishay Intertechnology's SMBJ18CA is a bidirectional TRANS VOLTAGE SUPPRESSOR DIODE with a max clamping voltage of 29.2 V and a breakdown voltage of 21.05 V. It is surface mountable and commonly used in transient suppression applications.
1N4148
Digitron Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
M39029/58-360
TE Connectivity
TE Connectivity's M39029/58-360 is a CRIMP terminal backshell for 22-28 AWG wires, rated at 5A. Ideal for male contacts in Mil-Spec applications, it offers a cross-section area of 0.34 mm2 and ensures secure connections in demanding environments.
87832-1420
Molex
87832-1420 by Molex is a 14-contact board connector with 0.079" pitch, suitable for commercial applications. It features matte tin over nickel finish, glass-filled polyamide insulator, and polarization key for easy assembly. Withstanding voltage of 1400VAC and operating temperature range from -55 to 105°C make it reliable for various electronic devices.
1N4148WS
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; No. of Phases: 1; Config: SINGLE; Maximum Operating Temperature: 125 Cel;
ST3485EBDR
ST3485EBDR by STMicroelectronics is a Line Driver & Receiver with 3.3V power supply, EIA-422/EIA-485 interface standard, and 30ns max transmit delay. It is ideal for industrial applications requiring differential output and operates in temperatures ranging from -40 to 85°C.
Taiwan Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Peak Reflow Temperature (C): 260; Maximum Operating Temperature: 175 Cel; JESD-609 Code: e3; No. of Elements: 1;
Frontier Electronics
M85049/85-08W02
Glenair
CONNECTOR ACCESSORY; MIL Conformity: YES; Material: ALUMINIUM ALLOY; Associated Backshell Military - Specifications: MIL-DTL-38999; Shell Sizes: 08; DIN Conformity: NO;
MCP3550-50E/MS
Microchip Technology
MCP3550-50E/MS by Microchip: 22-bit ADC with 0.0006% linearity error, 2.7/5V power supplies, and 0.0256 MHz sample rate. Ideal for automotive applications due to TS 16949 screening level and -40 to 125°C operating temperature range.
LTC1867LCGN#PBF
Analog Devices
LTC1867LCGN#PBF by Analog Devices is a 16-bit ADC with 8 analog input channels, 0.0061% linearity error, and 0.175 MHz sample rate. Ideal for industrial automation systems, data acquisition applications, and sensor interfaces due to its small outline package and high conversion speed.
ADCS7476AIMFX/NOPB
National Semiconductor
ADC, SUCCESSIVE APPROXIMATION; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: LSSOP; Package Shape: RECTANGULAR;
ADS1115IRUGR
Texas Instruments
The Texas Instruments ADS1115IRUGR is a 16-bit ADC with 4 analog input channels, operating at 3.3V. With a max linearity error of 0.0015%, it's ideal for automotive applications due to its wide temperature range (-40 to 125°C) and compact chip carrier package style. The converter type is delta-sigma, offering a sample rate of 0.00086 MHz and serial output format.
ADS8689IPWR
Texas Instruments ADS8689IPWR is a 16-bit ADC with 0.0018% EL, 1.65V min supply voltage, and 5us max conversion time. Ideal for automotive applications, it offers a 0.1MHz sample rate in a small outline package with dual terminals and GULL WING form.
LTC2440CGN#PBF
Linear Technology
ADC, DELTA-SIGMA; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SSOP; Package Shape: RECTANGULAR;
ADS131M04IPWR
Texas Instruments' ADS131M04IPWR is a 24-bit ADC with 4 analog in channels, operating at 0.064 MHz sample rate. Ideal for automotive applications, it has a temperature range of -40 to 125 °C and supports a max analog input voltage of 3.6 V. The small outline package style with Gull Wing terminals makes it suitable for surface mount designs.
LTC1857CG#TR
ADC, PROPRIETARY METHOD; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 28; Package Code: SSOP; Package Shape: RECTANGULAR;
ADC121S101QIMFX/NOPB
ADC121S101QIMFX/NOPB by Texas Instruments is a 12-bit ADC with 0.0244% EL, 1 MHz sample rate, and 3.2 mA max supply current. Ideal for automotive applications due to AEC-Q100 screening, it operates from -40 to 125 °C with a small outline package style.
AD7687BRMZRL7
AD7687BRMZRL7 by Analog Devices is a 16-bit ADC with a max linearity error of 0.0023%. It operates at temperatures ranging from -40 to 85 °C and has a sample rate of 0.25 MHz. This converter is commonly used in industrial applications requiring precise analog-to-digital conversion.
ADS7809UG4
The Texas Instruments ADS7809UG4 is a 16-bit ADC with 0.0046% linearity error, 5V supply, and 8us conversion time. Ideal for industrial applications requiring high precision analog-to-digital conversion at a sample rate of 0.1 MHz. Package style: SOIC, technology: CMOS, output format: serial.
ADS8509IBDWG4
The Texas Instruments ADS8509IBDWG4 is a 16-bit ADC with 0.0031% EL, 5V supply, and 0.25 MHz sample rate. Ideal for industrial applications, it features a CMOS technology, BINARY output code, and SERIAL output format. With a compact design and high accuracy, it suits various analog-to-digital conversion needs.
ADC128S052CIMT/NOPB
Texas Instruments ADC128S052CIMT/NOPB is a 12-bit ADC with 8 analog in channels, 0.0244% EL, and 3/5V power supplies. Ideal for automotive applications due to AEC-Q100 screening level, it offers a sample rate of 0.5MHz and operates b/w -40 to 125°C.
ADS1220IPWR
The Texas Instruments ADS1220IPWR is a 24-bit ADC with 4 analog in channels, operating at a sample rate of 0.002 MHz. It has a max linearity error of 0.0015% and operates on a 3.3V supply voltage. Ideal for automotive applications due to its temperature grade and small form factor.
AD7327BRUZ-REEL7
AD7327BRUZ-REEL7 by Analog Devices is a 12-bit ADC with 8 analog input channels, 0.0269% linearity error, and 1.6us conversion time. Ideal for industrial applications requiring a small outline package, it operates b/w -40 to 85°C with a sample rate of 0.5MHz.
MCP3428-E/STVAO
MCP3428-E/STVAO by Microchip Tech is a 16-bit ADC with 4 analog in channels, 0.001% EL, and 0.24 MHz sample rate. Ideal for applications requiring precise analog-to-digital conversion like automotive sensors due to AEC-Q100 screening and -40°C to 125°C operating temp range.
ADS7828E/2K5
Texas Instruments ADS7828E/2K5 ADC features 12-bit resolution, 8 analog inputs, and 0.05 MHz sample rate. Ideal for industrial applications, it operates at -40 to 85°C with a supply voltage of 2.7-5V. Package style is small outline with thin profile and shrink pitch.
ADS1258IRTCRG4
ADS1258IRTCRG4 by Texas Instruments is a 24-bit ADC with 16 analog input channels, 0.125 MHz sample rate, and 0.001% max linearity error. Ideal for industrial applications requiring precise analog-to-digital conversion in a compact chip carrier package with a temperature range of -40 to 105°C.
ADS7844EBG4
Texas Instruments ADS7844EBG4 is a 12-bit ADC with 8 analog channels, 0.0244% linearity error, and 0.75us conversion time. Ideal for industrial applications requiring high precision data acquisition in a compact form factor. Operates at -40 to 85°C with a sample rate of 0.2MHz and serial output format.
AD7666ASTZ
The Analog Devices AD7666ASTZ is a 16-bit ADC with 0.0031% linearity error, 1.25 us conversion time, and 0.5 MHz sample rate. Ideal for industrial applications, it operates b/w -40 to 85 °C with a 5V supply voltage and offers binary output format options in a compact square package.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LTC2107CUK#PBF
LTC2107CUK#PBF by Analog Devices is a 16-bit ADC with 0.0069% linearity error, 210 MHz sample rate, and 2.4V max analog input voltage. Ideal for commercial applications requiring high-speed data conversion in a compact chip carrier package with quad terminals.
ADC, PROPRIETARY METHOD; Temperature Grade: COMMERCIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
LTC2440IGN#PBF
ADC, DELTA-SIGMA; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SSOP; Package Shape: RECTANGULAR;
LTC2440IGN#PBF by Analog Devices is a 24-bit ADC with 0.0015% EL, 0.35 MHz sample rate, and 170000 us conversion time. Ideal for industrial applications requiring high precision analog-to-digital conversion in a compact package.
LTC2440CGN
LTC2440CGN by Analog Devices is a 24-bit ADC with 0.0015% EL, 0.35 MHz sample rate, and 170000 us conversion time. Ideal for applications requiring high precision analog-to-digital conversion in commercial temperature environments. Package: PLASTIC/EPOXY, Surface Mount: YES, Output Format: SERIAL.
LTC2440CGN#PBF by Analog Devices is a 24-bit ADC with a sample rate of 0.35 MHz. It has a max linearity error of 0.0015% and can operate in temperatures ranging from 0 to 70 °C. This converter is commonly used in applications requiring high-resolution analog-to-digital conversion.
LTC2400CS8
LTC2400CS8 by Analog Devices is a 24-bit ADC with small outline package, CMOS technology, and binary output code. It operates at 3.3V supply voltage and has a max analog input voltage of 6.1875V. Ideal for applications requiring high-resolution analog-to-digital conversion in commercial temperature range.
ADC, DELTA-SIGMA; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LTC2452ITS8#TRMPBF
ADC, DELTA-SIGMA; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: VSSOP; Package Shape: RECTANGULAR;
LTC2452ITS8#TRMPBF by Analog Devices is a 16-bit ADC with 0.0153% EL, 23000us conversion time, and 3V supply voltage. Ideal for industrial applications, it offers a small outline package with dual terminals and operates b/w -40 to 85°C.
LTC2471CMS#PBF
ADC, DELTA-SIGMA; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 12; Package Code: TSSOP; Package Shape: RECTANGULAR;
LTC2440IGN#TRPBF
LTC2440IGN#TRPBF by Analog Devices is a 24-bit ADC with 0.0015% EL, 0.35 MHz sample rate, and 5V supply voltage. Ideal for industrial applications requiring high precision data conversion in a compact SMALL OUTLINE package.
LTC2440CGN#TRPBF
LTC2400CS8#PBF
LTC2400CS8#PBF by Analog Devices is a 24-bit ADC with CMOS technology. It operates at 3.3V, has a binary output format, and offers a max analog input voltage of 6.1875V. This converter type is commonly used in applications requiring high-resolution analog-to-digital conversion in commercial temperature environments.
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved