Analogue to Digital Converters

Analogue to digital converters (ADCs) are devices that convert analogue input signals into a digital output signal, for example a sound captured from a microphone or light entering a digital camera. These analogue inputs are then converted into a digital signal output as either sound from a speaker or a picture in a camera.

ADCs sample the input signals at specific points in time which reduces the allowable bandwidth of the input signal for increased efficiency.

What does an analogue to digital converter do?

Audio analogue to digital converters captures and converts analogue sounds into digital signals using a mathematical function called quantisation. This conversion occurs periodically instead of continuing to minimise noise generation.

Video analogue to digital to converters are a high-frequency low- to medium-resolution type that is used to convert analogue video data into digital video signals such as displays on digital cameras.

General Purpose ADCs are considered the base type of ADC un of the mill ADCs are used to convert analogue signals to digital signals in equipment such as temperature sensors.

Types of analogue to digital converters

The most widely used types of ADCs are:

  • Flash - Flash ADCs are considered the fastest way to convert an analogue signal to a digital signal and are suitable for applications requiring very large bandwidths such as satellite communication, data acquisition, radar processing and sampling oscilloscopes.
  • Successive approximation - A successive approximation ADC converts continuous analogue waveform into digital using a binary search through all quantization levels before finally combining a digital output for each conversion.
  • Sigma-delta - Sigma delta ADCs converts the signal by large factors and filters the desired signal. They offer high resolution, low power consumption and are used in applications such as process control, temperature measurement and weight measurement scale devices.

Applications

Audio ADCs are widely used in applications such as:

  • Professional audio mixing consoles
  • Home theatre systems
  • Musical instruments

Video ADCs are used in:

  • Medical Imaging
  • Digital Instrumentation
  • Digital cameras

General Purpose ADCs are used primarily in applications such as:

  • Battery Operated Systems
  • Sensor Interfaces
  • Frequency measurement

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Omschrijving Prijs Architecture Number of ADCs Resolution Sampling Rate Input Signal Type Input Type Mounting Type Package Type Pin Count Integral Nonlinearity Error Digital Interface Type Power Supply Type Typical Single Supply Voltage Dimensions
RS-stocknr. 662-0127
FabrikantnummerADS8509IBDW
€ 24,83
Each
Aantal stuks
SAR 1 16-bit 250ksps Single Ended Voltage Surface Mount SOIC 20 ±2LSB Serial (SPI) - 5 V 12.8 x 7.52 x 2.35mm
RS-stocknr. 121-8571
FabrikantnummerTLC2543CDW
€ 10,294
Each (In a Tube of 25)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 522-8916
FabrikantnummerAD7575JNZ
FabrikantAnalog Devices
€ 16,54
Each
Aantal stuks
SAR 1 8-bit - Single Ended Voltage Through Hole PDIP 18 ±1LSB Parallel - 5 V 23.12 x 6.61 x 3.56mm
RS-stocknr. 709-1876
FabrikantnummerAD7684BRMZRL7
FabrikantAnalog Devices
€ 12,66
Each
Aantal stuks
SAR 1 16-bit 100ksps Differential Voltage Surface Mount MSOP 8 ±3LSB Serial (SPI) - 5 V 3 x 3 x 0.85mm
RS-stocknr. 915-6492
FabrikantnummerAD7405BRIZ
FabrikantAnalog Devices
€ 6,72
Each
Aantal stuks
Delta Sigma 1 16-bit 78.1ksps Differential Voltage Surface Mount SOIC 16 ±12LSB - Single 4.5 to 5.5 V 12.85 x 7.6 x 2.34mm
RS-stocknr. 922-2606
FabrikantnummerADS8509IBDW
€ 21,863
Each (In a Tube of 25)
Aantal stuks
SAR 1 16-bit 250ksps Single Ended Voltage Surface Mount SOIC 20 ±2LSB Serial (SPI) - 5 V 12.8 x 7.52 x 2.35mm
RS-stocknr. 877-8928
FabrikantnummerAD9245BCPZ-65
FabrikantAnalog Devices
€ 35,92
Each
Aantal stuks
Pipelined 1 14-bit 65Msps Differential, Single Ended Voltage Surface Mount LFCSP 32 ±5.55LSB Parallel Single 3 V 5.1 x 5.1 x 0.75mm
RS-stocknr. 497-0199
FabrikantnummerAD7476ABRMZ
FabrikantAnalog Devices
€ 9,83
Each
Aantal stuks
SAR 1 12-bit 1000ksps Single Ended Voltage Surface Mount MSOP 8 ±1.5LSB Serial (SPI/QSPI/Microwire) - 2.5 V, 3.3 V, 5 V 3 x 3 x 0.85mm
RS-stocknr. 662-0105
FabrikantnummerADS8505IDW
€ 16,73
Each
Aantal stuks
SAR 1 16-bit 250ksps Single Ended Voltage Surface Mount SOIC 28 ±4LSB Parallel - 5 V 18 x 7.52 x 2.35mm
RS-stocknr. 806-5572
FabrikantnummerAD7191BRUZ
FabrikantAnalog Devices
€ 7,88
Each
Aantal stuks
Delta Sigma 3 24-bit - Differential Voltage Surface Mount TSSOP 24 ±15ppm FSR Serial (SPI/QSPI/Microwire) Single 3 to 5.25 V 7.9 x 4.5 x 1.05mm
RS-stocknr. 884-6841
FabrikantnummerLTC1865ACMS#PBF
FabrikantAnalog Devices
€ 14,81
Each
Aantal stuks
SAR 2 16-bit 250ksps Single Ended Current, Voltage Surface Mount MSOP 10 ±6.5LSB Serial (SPI) Single 5 V 3 x 3 x 0.86mm
RS-stocknr. 496-9919
FabrikantnummerAD9244BSTZ-65
FabrikantAnalog Devices
€ 38,89
Each
Aantal stuks
Pipelined 1 14-bit 65000ksps Differential, Single Ended Voltage Surface Mount LQFP 48 ±4LSB Parallel - 5 V 7 x 7 x 1.4mm
RS-stocknr. 709-6562
FabrikantnummerAD7683ARMZ
FabrikantAnalog Devices
€ 10,86
Each
Aantal stuks
SAR 1 16-bit 100ksps Pseudo Differential Voltage Surface Mount MSOP 8 ±6LSB Serial (SPI) - 5 V 3 x 3 x 0.85mm
RS-stocknr. 517-2087
FabrikantnummerTLC2543CN
€ 11,27
Each
Aantal stuks
SAR 11 12-bit 66ksps Single Ended Voltage Through Hole PDIP 20 ±1LSB Serial (SPI) - 5 V 24.33 x 6.35 x 4.57mm
RS-stocknr. 538-4303
FabrikantnummerAD574AKNZ
FabrikantAnalog Devices
€ 76,03
Each
Aantal stuks
SAR 1 12-bit - Single Ended Voltage Through Hole PDIP 28 ±0.5LSB Parallel - - 39.75 x 14.73 x 4.95mm
RS-stocknr. 921-5030
FabrikantnummerADS1256IDBT
€ 10,14
Each (On a Reel of 250)
Aantal stuks
Delta Sigma 8 24-bit 30ksps Differential, Single Ended Voltage Surface Mount SSOP 28 ±0.001%FSR Serial (SPI) - 5 V 10.2 x 5.3 x 1.95mm
RS-stocknr. 146-0196
FabrikantnummerMCP3001-I/P
FabrikantMicrochip
€ 1,166
Each (In a Tube of 60)
Aantal stuks
SAR 1 10-bit 200ksps Pseudo Differential Voltage Through Hole PDIP 8 ±1LSB Serial (SPI) Single 2.7 to 5.5 V 10.16 x 7.11 x 4.95mm
RS-stocknr. 709-7004
FabrikantnummerAD7983BRMZ
FabrikantAnalog Devices
€ 18,84
Each
Aantal stuks
SAR 1 16-bit 1330ksps Pseudo Differential Voltage Surface Mount MSOP 10 ±1LSB Serial (SPI/QSPI/Microwire) - 2.5 V 3 x 3 x 0.85mm
RS-stocknr. 796-7903
FabrikantnummerADC1173CIMTC/NOPB
€ 3,44
Each
Aantal stuks
- 1 8-bit 15Msps Single Ended Voltage Surface Mount TSSOP 24 ±1.3LSB Parallel Single 2.7 to 3.6 V 7.9 x 4.5 x 1.05mm
RS-stocknr. 708-9568
FabrikantnummerAD7949BCPZ
FabrikantAnalog Devices
€ 8,14
Each
Aantal stuks
SAR 8 14-bit 250ksps Differential, Pseudo Differential, Single Ended Voltage Surface Mount LFCSP 20 ±1LSB Serial (SPI) - 2.5 V, 3.3 V, 5 V 4 x 4 x 0.83mm