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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Description Prix 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
N° de stock RS 709-6617
Référence fabricantAD7707BRZ
11,69 €
Each
Unité
Delta Sigma 3 16-bit 0.5ksps Pseudo Differential Voltage Surface Mount SOIC W 20 ±0.003%FSR Serial (SPI/QSPI/Microwire) Single 2.7 to 5.25 V 13 x 7.6 x 2.35mm
N° de stock RS 193-5512
Référence fabricantMCP33151D-10-E/MS
MarqueMicrochip
3,333 €
Each (In a Tube of 100)
Unité
- 1 14 bit - - - - - - - Serial - - -
N° de stock RS 912-2815
Référence fabricantMCP3204-CI/SL
MarqueMicrochip
2,242 €
Each (In a Tube of 57)
Unité
SAR 4 12-bit 100ksps Pseudo Differential, Single Ended Voltage Surface Mount SOIC 14 ±2LSB Serial (SPI) - 5 V 8.65 x 3.9 x 1.25mm
N° de stock RS 921-5315
Référence fabricantADS1118IDGST
3,306 €
Each (On a Reel of 250)
Unité
Delta Sigma 4 16-bit 860sps Differential, Single Ended Voltage Surface Mount MSOP 10 1LSB Serial (SPI) Single 3.3 V 3.1 x 3.1 x 1.1mm
N° de stock RS 203-4732
Référence fabricantMCP3564-E/ST
MarqueMicrochip
5,13 €
Each (In a Pack of 2)
Unité
- 4 24 bit 153.6ksps Differential - Surface Mount TSSOP, UQFN 20 - Parallel & Serial (SPI) - - -
N° de stock RS 709-6676
Référence fabricantAD7794CRUZ
11,50 €
Each
Unité
Delta Sigma 6 24-bit 0.47ksps Differential Voltage Surface Mount TSSOP 24 ±15ppm FSR Serial (SPI) - 3.3 V, 5 V 7.8 x 4.4 x 1.05mm
N° de stock RS 191-4252
Référence fabricantMAX1270BCNG+
25,275 €
Each (In a Tube of 15)
Unité
SAR 8 12 bit 110ksps Single Ended - Through Hole PDIP 16 ±1LSB - Single 4.75 to 5.25 V 19.43 x 7.87 x 4.45mm
N° de stock RS 799-2757
Référence fabricantMAX11605EEE+
1,64 €
Each (In a Pack of 2)
Unité
SAR 12 8-bit 188ksps Pseudo Differential, Single Ended Voltage Surface Mount QSOP 16 ±1LSB Serial (I2C) Single 2.7 to 3.6 V 4.98 x 3.99 x 1.651mm
N° de stock RS 412-371
Référence fabricantAD7730BRUZ
18,09 €
Each
Unité
Delta Sigma 2 24-bit 1.2ksps Differential Voltage Surface Mount TSSOP 24 18ppm FSR Serial (SPI) - 5 V 7.8 x 4.4 x 1.05mm
N° de stock RS 523-6709
Référence fabricantAD679JNZ
76,39 €
Each
Unité
Flash 1 14-bit 128ksps Single Ended Voltage Through Hole PDIP 28 ±2LSB Parallel - - 39.75 x 14.73 x 4.95mm
Nouveau
N° de stock RS 215-8006
Référence fabricantMCP3565RT-E/SFX
MarqueMicrochip
2,17 €
Each (In a Pack of 5)
Unité
- - 24 bit 153.6ksps - - Surface Mount UQFN 12 - - - - -
N° de stock RS 921-5478
Référence fabricantICL7136CM44Z
5,14 €
Each (In a Pack of 2)
Unité
Dual Slope 1 3.5 digit 0.003ksps Differential Voltage Surface Mount MQFP 44 ±1Counts - - 9 V 10.12 x 10.1 x 2.1mm
N° de stock RS 190-4977
Référence fabricantMAX11163EUB+
5,99 €
Each
Unité
SAR 1 16 bit 250ksps Differential Differential Surface Mount μMAX 10 ±1.2LSB Serial-SPI Single 5 V 3.16 x 3.12 x 0.95mm
N° de stock RS 709-6168
Référence fabricantAD7190BRUZ
11,08 €
Each
Unité
Delta Sigma 5 24-bit 4.8ksps Differential, Pseudo Differential Voltage Surface Mount TSSOP 24 ±15ppm FSR Serial (SPI) - 5 V 7.8 x 4.4 x 1.05mm
N° de stock RS 908-3805
Référence fabricantADS7041IDCUT
0,745 €
Each (In a Pack of 2)
Unité
SAR 1 10-bit 1Msps Differential Voltage Surface Mount VSSOP 8 0.8LSB Serial (SPI) Single 1.65 to 3.6 V 2.1 x 2.4 x 0.8mm
N° de stock RS 197-7076
Référence fabricantADS1015IDGST
1,649 €
Each (On a Reel of 250)
Unité
- 4 12 bit 3300sps Pseudo Differential, Single Ended - Surface Mount VSSOP 10 - - - - -
N° de stock RS 197-7086
Référence fabricantADS1232IPW
8,23 €
Each
Unité
- 4 24 bit 10 sps, 80sps Differential, Single Ended - Surface Mount TSSOP 24 - - - - -
N° de stock RS 774-7393
Référence fabricantTC7109CKW
MarqueMicrochip
12,04 €
Each
Unité
Dual Slope 1 12-bit - Differential Voltage Surface Mount PQFP 44 1Counts Parallel & Serial Dual - 10.1 x 10.1 x 2.1mm
N° de stock RS 662-0114
Référence fabricantADS8507IDW
13,58 €
Each
Unité
SAR 1 16-bit 40ksps Single Ended Voltage Surface Mount SOIC 28 ±3LSB Parallel & Serial - 5 V 18 x 7.52 x 2.35mm
N° de stock RS 806-7792
Référence fabricantAD7466BRTZ-R2
7,19 €
Each
Unité
SAR 1 12-bit 200ksps Single Ended Voltage Surface Mount SOT-23 6 ±1.5LSB Serial (SPI/QSPI/Microwire) Single 1.6 to 3.6 V 2.9 x 1.6 x 1.3mm