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 169-8395
Référence fabricantCS5524-ASZ
MarqueCirrus Logic
8,345 €
Each (In a Tube of 59)
Unité
Delta Sigma 4 24-bit 617sps Differential Voltage Surface Mount SSOP 24 ±0.002%FSR Serial (SPI) Single 5 V 8.5 x 5.6 x 1.88mm
N° de stock RS 169-8394
Référence fabricantCS5530-ISZ
MarqueCirrus Logic
5,468 €
Each (In a Tube of 66)
Unité
Delta Sigma 1 24-bit 3840sps Differential Voltage Surface Mount SSOP 20 ±0.003%FSR Serial (SPI) Dual, Single 5 V 7.5 x 5.6 x 1.88mm
N° de stock RS 716-5823
Référence fabricantCS5361-KZZ
MarqueCirrus Logic
11,55 €
Each
Unité
Delta Sigma 2 24-bit 192ksps Differential Voltage Surface Mount TSSOP 24 - Serial Single 5 V 7.9 x 4.5 x 0.95mm
N° de stock RS 716-5817
Référence fabricantCS5341-CZZ
MarqueCirrus Logic
8,55 €
Each
Unité
Delta Sigma 2 24-bit 192ksps Single Ended Voltage Surface Mount TSSOP 16 - Serial Single 3.3 V, 5 V 5.1 x 4.5 x 0.95mm
N° de stock RS 169-8385
Référence fabricantCS5343-CZZ
MarqueCirrus Logic
3,279 €
Each (In a Tray of 96)
Unité
Delta Sigma 2 24-bit 96ksps Single Ended Voltage Surface Mount TSSOP 10 - Serial Single 3.3 V, 5 V 3 x 3 x 0.95mm
N° de stock RS 716-5864
Référence fabricantCS5524-ASZ
MarqueCirrus Logic
9,70 €
Each
Unité
Delta Sigma 4 24-bit 617sps Differential Voltage Surface Mount SSOP 24 ±0.002%FSR Serial (SPI) Single 5 V 8.5 x 5.6 x 1.88mm
N° de stock RS 169-8387
Référence fabricantCS5341-CZZ
MarqueCirrus Logic
7,35 €
Each (In a Tube of 96)
Unité
Delta Sigma 2 24-bit 192ksps Single Ended Voltage Surface Mount TSSOP 16 - Serial Single 3.3 V, 5 V 5.1 x 4.5 x 0.95mm
N° de stock RS 169-8389
Référence fabricantCS5361-KZZ
MarqueCirrus Logic
10,117 €
Each (In a Tube of 62)
Unité
Delta Sigma 2 24-bit 192ksps Differential Voltage Surface Mount TSSOP 24 - Serial Single 5 V 7.9 x 4.5 x 0.95mm
N° de stock RS 716-5860
Référence fabricantCS5530-ISZ
MarqueCirrus Logic
6,36 €
Each
Unité
Delta Sigma 1 24-bit 3840sps Differential Voltage Surface Mount SSOP 20 ±0.003%FSR Serial (SPI) Dual, Single 5 V 7.5 x 5.6 x 1.88mm
N° de stock RS 169-8386
Référence fabricantCS5361-KSZ
MarqueCirrus Logic
9,953 €
Each (In a Tube of 31)
Unité
Delta Sigma 2 24-bit 192ksps Differential Voltage Surface Mount SOIC 24 - Serial Single 5 V 15.6 x 7.6 x 2.35mm
N° de stock RS 716-5814
Référence fabricantCS5361-KSZ
MarqueCirrus Logic
11,32 €
Each
Unité
Delta Sigma 2 24-bit 192ksps Differential Voltage Surface Mount SOIC 24 - Serial Single 5 V 15.6 x 7.6 x 2.35mm
N° de stock RS 716-5810
Référence fabricantCS5343-CZZ
MarqueCirrus Logic
3,87 €
Each
Unité
Delta Sigma 2 24-bit 96ksps Single Ended Voltage Surface Mount TSSOP 10 - Serial Single 3.3 V, 5 V 3 x 3 x 0.95mm