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 165-9414
Référence fabricantMAX11612EUA+
1,784 €
Each (In a Tube of 50)
Unité
SAR 4 12-bit 94.4ksps Differential, Single Ended Voltage Surface Mount μMAX 8 ±1LSB Parallel Single 2.7 to 3.6 V 3.1 x 3.1 x 0.95mm
N° de stock RS 192-2142
Référence fabricantMAX1300BEUG+
10,77 €
Each
Unité
SAR 8 16-bit 115ksps Differential, Single Ended Voltage Surface Mount TSSOP 24 ±4LSB Serial (SPI/QSPI/Microwire) Single 5 V 7.9 x 4.5 x 0.95mm
N° de stock RS 798-7614
Référence fabricantMAX186DEWP+
14,94 €
Each
Unité
SAR 8 12-bit 133kHz Differential, Single Ended Voltage Surface Mount SOIC 20 ±3LSB Serial (SPI/QSPI/Microwire) Dual, Single 5 V 13 x 7.6 x 2.35mm
N° de stock RS 190-5047
Référence fabricantMAX1300AEUG+
11,91 €
Each
Unité
SAR 8 16 bit 115ksps Differential, Single Ended Differential, Single Ended Surface Mount TSSOP 24 ±2LSB Micro Wire, QSPI, Serial, SPI Single 5 V 7.9 x 4.5 x 0.95mm
N° de stock RS 189-9045
Référence fabricantMAX11614EEE+
3,87 €
Each (In a Pack of 2)
Unité
SAR 8 12-bit 94.4ksps Differential, Single Ended Voltage Surface Mount QSOP 16 ±1LSB Parallel Single 4.5 to 5.5 V 4.98 x 3.99 x 1.651mm
N° de stock RS 190-4595
Référence fabricantMAX11606EUA+
1,98 €
Each (In a Tube of 50)
Unité
SAR 4 10 bit 94.4ksps - Analogue Surface Mount μMAX 8 ±1LSB - Single 5 to 5.5 V 3.1 x 3.1 x 0.95mm
N° de stock RS 191-3397
Référence fabricantMAX11636EEE+
4,115 €
Each (In a Pack of 2)
Unité
SAR 8 12 bit 300ksps Differential, Single Ended Differential, Single Ended Surface Mount QSOP 16 ±1LSB 3-Wire SPI, Micro Wire, QSPI, Serial Single 4.75 to 5.25 V 4.98 x 3.99 x 1.65mm
N° de stock RS 191-3367
Référence fabricantMAX11128ATI+
4,96 €
Each (In a Pack of 2)
Unité
SAR 16 12 bit 62.5ksps - Analogue Surface Mount TDFN-EP 28 ±1.2LSB 3-Wire Serial, Micro Wire, QSPI, SPI Single 2.35 to 3.6 V 5 x 5 x 0.75mm
N° de stock RS 797-9837
Référence fabricantMAX11612EUA+
2,17 €
Each (In a Pack of 2)
Unité
SAR 4 12-bit 94.4ksps Differential, Single Ended Voltage Surface Mount μMAX 8 ±1LSB Parallel Single 2.7 to 3.6 V 3.1 x 3.1 x 0.95mm
N° de stock RS 190-4974
Référence fabricantADC0820CCN+
2,514 €
Each (In a Pack of 5)
Unité
Flash 1 8 bit 400ksps - - Through Hole DIP 20 - - Single 5 V 26.54 x 7.87 x 4.45mm
N° de stock RS 191-3927
Référence fabricantMAX1193ETI+
4,014 €
Each (In a Tube of 60)
Unité
SAR 2 8 bit 45ksps Differential, Single Ended Differential, Single Ended Surface Mount QFN-EP 28 ±1LSB Parallel Single 2.7 to 3.6 V 5 x 5 x 0.75mm
N° de stock RS 189-7377
Référence fabricantMAX1138EEE+
6,32 €
Each (In a Tube of 100)
Unité
SAR 12 10-bit 94.4ksps Differential, Single Ended Voltage Surface Mount QSOP 16 ±1LSB Serial (I2C) - 5 V 4.98 x 3.99 x 1.55mm
N° de stock RS 189-7395
Référence fabricantMAX187BCPA+
19,341 €
Each (In a Tube of 50)
Unité
SAR 1 12-bit 75ksps Single Ended Voltage Through Hole PDIP 8 ±1LSB Serial (SPI) - 5 V 9.91 x 7.87 x 4.45mm
N° de stock RS 191-4854
Référence fabricantMAX111BCPE+
11,64 €
Each
Unité
Delta Sigma 2 14 bit 0.05ksps Differential, Single Ended Differential, Single Ended Through Hole PDIP 16 ±4.9LSB Serial (SPI/QSPI/Microwire) Single 4.75 to 5.25 V 19.43 x 7.87 x 4.45mm
N° de stock RS 190-4589
Référence fabricantMAX11163EUB+
4,362 €
Each (In a Tube of 50)
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 191-3422
Référence fabricantMAX1237EUA+
7,43 €
Each
Unité
SAR 4 12 bit 94.4ksps - Analogue Surface Mount μMAX 8 ±1LSB - Single 2.7 to 3.6 V 3.1 x 3.1 x 0.95mm
N° de stock RS 191-4871
Référence fabricantMAX146BCAP+
11,23 €
Each
Unité
SAR 8 12 bit 133ksps Differential, Single Ended Differential, Single Ended Surface Mount SSOP 20 ±1LSB - Single 2.7 to 3.6 V 7.33 x 5.38 x 1.78mm
N° de stock RS 191-3359
Référence fabricantMAX11043ATL+
11,52 €
Each
Unité
Sigma 4 16 bit 1600ksps - Analogue Surface Mount TQFN-EP 40 ±2LSB Serial-SPI Single 2.5 V 6.1 x 6.1 x 0.75mm
N° de stock RS 190-4604
Référence fabricantMAX11647EUA+
1,327 €
Each (In a Tube of 50)
Unité
SAR 2 10 bit 94.4ksps Differential, Single Ended Differential, Single Ended Surface Mount μMAX 8 ±1LSB - Single 2.7 to 3.6 V 3.1 x 3.1 x 0.95mm
N° de stock RS 190-4596
Référence fabricantMAX11607EUA+
1,86 €
Each (In a Tube of 50)
Unité
SAR 4 10 bit 94.4ksps - Analogue Surface Mount μMAX 8 ±1LSB - Single 2.7 to 3.6 V 3.1 x 3.1 x 0.95mm