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. 923-6911
FabrikantnummerADS1115IDGST
3,306 €
Each (On a Reel of 250)
Aantal stuks
Delta Sigma 4 16-bit 0.86ksps Differential, Single Ended Voltage Surface Mount VSSOP 10 1LSB Serial (I2C) - 3.3 V 3 x 3 x 1.02mm
RS-stocknr. 709-4544
FabrikantnummerADS1115IDGST
5,27 €
Each
Aantal stuks
Delta Sigma 4 16-bit 0.86ksps Differential, Single Ended Voltage Surface Mount VSSOP 10 1LSB Serial (I2C) - 3.3 V 3 x 3 x 1.02mm
RS-stocknr. 709-1921
FabrikantnummerADS1248IPW
9,67 €
Each
Aantal stuks
Delta Sigma 8 24-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 28 15ppm FSR Serial (SPI) - 3.3 V 9.7 x 4.4 x 1.15mm
RS-stocknr. 923-6687
FabrikantnummerADS1248IPW
8,514 €
Each (In a Tube of 50)
Aantal stuks
Delta Sigma 8 24-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 28 15ppm FSR Serial (SPI) - 3.3 V 9.7 x 4.4 x 1.15mm
RS-stocknr. 162-7222
FabrikantnummerADS1246IPW
3,873 €
Each (In a Tube of 90)
Aantal stuks
Delta Sigma 2 24-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 16 15ppm FSR Serial (SPI) - 3.3 V 5 x 4.4 x 1.15mm
RS-stocknr. 922-2571
FabrikantnummerADS1251U
10,099 €
Each (In a Tube of 75)
Aantal stuks
Delta Sigma 1 24-bit 20ksps Differential, Single Ended Voltage Surface Mount SOIC 8 ±0.002%FSR Serial (SPI) - 5 V 4.9 x 3.91 x 1.58mm
RS-stocknr. 517-3002
FabrikantnummerTLC549CP
3,60 €
Each (In a Pack of 5)
Aantal stuks
SAR 1 8-bit 40ksps Single Ended Voltage Through Hole PDIP 8 ±0.5LSB Serial (SPI) - 5 V 9.81 x 6.35 x 4.57mm
RS-stocknr. 662-0023
FabrikantnummerADS1251U
11,47 €
Each
Aantal stuks
Delta Sigma 1 24-bit 20ksps Differential, Single Ended Voltage Surface Mount SOIC 8 ±0.002%FSR Serial (SPI) - 5 V 4.9 x 3.91 x 1.58mm
RS-stocknr. 536-1158
FabrikantnummerADC0838CCWM/NOPB
4,64 €
Each
Aantal stuks
SAR 8 8-bit 31ksps Differential, Pseudo Differential Voltage Surface Mount SOIC W 20 - Serial (SPI/Microwire) - 5 V 12.8 x 7.47 x 2.34mm
RS-stocknr. 162-6116
FabrikantnummerADS1148IPW
7,70 €
Each (In a Tube of 50)
Aantal stuks
Delta Sigma 8 16-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 28 ±1LSB Serial (SPI) Dual, Single 2.7 to 5.25 V 9.8 x 4.5 x 1.05mm
RS-stocknr. 709-1933
FabrikantnummerADS1246IPW
4,02 €
Each
Aantal stuks
Delta Sigma 2 24-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 16 15ppm FSR Serial (SPI) - 3.3 V 5 x 4.4 x 1.15mm
RS-stocknr. 920-3488
FabrikantnummerTLC549CP
3,212 €
Each (In a Tube of 50)
Aantal stuks
SAR 1 8-bit 40ksps Single Ended Voltage Through Hole PDIP 8 ±0.5LSB Serial (SPI) - 5 V 9.81 x 6.35 x 4.57mm
RS-stocknr. 100-3840
FabrikantnummerADS7828E/250
5,162 €
Each (On a Reel of 250)
Aantal stuks
SAR 8 12-bit 50ksps Differential, Pseudo Differential Voltage Surface Mount TSSOP 16 ±2LSB Serial (I2C) - 3.3 V, 5 V 5 x 4.4 x 1.15mm
RS-stocknr. 461-4877
FabrikantnummerADS7828E/250
5,91 €
Each
Aantal stuks
SAR 8 12-bit 50ksps Differential, Pseudo Differential Voltage Surface Mount TSSOP 16 ±2LSB Serial (I2C) - 3.3 V, 5 V 5 x 4.4 x 1.15mm
RS-stocknr. 178-9100
FabrikantnummerADC0838CCWM/NOPB
3,178 €
Each (In a Tube of 36)
Aantal stuks
SAR 8 8-bit 31ksps Differential, Pseudo Differential Voltage Surface Mount SOIC W 20 - Serial (SPI/Microwire) - 5 V 12.8 x 7.47 x 2.34mm
RS-stocknr. 732-1537
FabrikantnummerADS1148IPW
8,94 €
Each
Aantal stuks
Delta Sigma 8 16-bit 2ksps Differential, Single Ended Voltage Surface Mount TSSOP 28 ±1LSB Serial (SPI) Dual, Single 2.7 to 5.25 V 9.8 x 4.5 x 1.05mm
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. 461-7214
FabrikantnummerADS8320E/250
9,85 €
Each
Aantal stuks
SAR 1 16-bit 100ksps Differential Voltage Surface Mount MSOP 8 ±0.018%FSR Serial (SPI) Single 2.7 to 5.25 V 3.1 x 3.1 x 0.95mm
RS-stocknr. 162-5792
FabrikantnummerADS7822EB/250
2,523 €
Each (On a Reel of 250)
Aantal stuks
SAR 1 12-bit 200ksps Pseudo Differential Voltage Surface Mount MSOP 8 ±1LSB Serial (SPI) - 2.7 V, 5 V 3 x 3 x 0.97mm
RS-stocknr. 661-9938
FabrikantnummerADS7822EB/250
4,05 €
Each
Aantal stuks
SAR 1 12-bit 200ksps Pseudo Differential Voltage Surface Mount MSOP 8 ±1LSB Serial (SPI) - 2.7 V, 5 V 3 x 3 x 0.97mm