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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รายละเอียดสินค้า / Description ราคา / Price 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 Stock No. 889-5225
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP3202-CI/SN
Brand :Microchip
THB69.132
Each (In a Tube of 100)
Units
SAR 2 12-bit 100ksps Pseudo Differential, Single Ended Voltage Surface Mount SOIC 8 ±2LSB Serial (SPI) - 3.3 V, 5 V 4.9 x 3.9 x 1.25mm
RS Stock No. 709-8751
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ADS1278IPAPT
THB1,442.37
Each
Units
Delta Sigma 8 24 bit 144ksps Differential, Single Ended Voltage Surface Mount HTQFP 64 ±0.0012%FSR Serial (SPI) - 5 V 10 x 10 x 1mm
RS Stock No. 804-9801
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD9266BCPZ-20
THB1,779.85
Each
Units
Pipelined 1 16-bit 20Msps Differential Voltage Surface Mount LFCSP 32 ±5.5LSB Serial (SPI) Single 1.7 to 1.9 V 5.1 x 5.1 x 0.75mm
RS Stock No. 669-6095
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP3424-E/ST
Brand :Microchip
THB123.99
Each
Units
Delta Sigma 4 18-bit 0.004ksps Differential, Single Ended Voltage Surface Mount TSSOP 14 35ppm FSR Serial (I2C) - 5 V 5 x 4.4 x 0.9mm
RS Stock No. 757-8175
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LTC2383CMS-16#PBF
THB882.95
Each
Units
SAR 1 16-bit 1Msps Differential, Single Ended Voltage Surface Mount MSOP 16 ±2LSB Serial (SPI) Single 2.5 V 4.039 x 3 x 0.86mm
RS Stock No. 911-5791
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP3208-BI/SL
Brand :Microchip
THB119.975
Each (In a Tube of 50)
Units
SAR 8 12-bit 100ksps Pseudo Differential, Single Ended Voltage Surface Mount SOIC 16 ±1LSB Serial (SPI) Single 2.7 to 5.5 V 9.9 x 3.9 x 1.5mm
RS Stock No. 660-7222
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ADS1110A1IDBVT
THB159.56
Each
Units
Delta Sigma 1 16-bit 0.128ksps Differential, Single Ended Voltage Surface Mount SOT-23 6 ±0.01%FSR Serial (I2C) - 5 V 2.9 x 1.6 x 1.15mm
RS Stock No. 703-7945
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP3428-E/SL
Brand :Microchip
THB107.12
Each
Units
Delta Sigma 4 16-bit 0.015ksps Differential Voltage Surface Mount SOIC 14 10ppm FSR Serial (I2C) Single 2.7 → 5.5 V 8.65 x 3.9 x 1.25mm
RS Stock No. 662-0344
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TLC5510AINS
THB239.64
Each
Units
Semi Flash 1 8 bit 20Msps Single Ended Voltage Surface Mount SOP 24 ±1LSB Parallel - 5 V 15 x 5.3 x 1.95mm
RS Stock No. 922-2555
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ADS1110A2IDBVT
THB155.506
Each (On a Reel of 250)
Units
Delta Sigma 1 16-bit 0.128ksps Differential, Single Ended Voltage Surface Mount SOT-23 6 ±0.01%FSR Serial (I2C) - 5 V 2.9 x 1.6 x 1.15mm
RS Stock No. 162-5917
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TLC5510AINS
THB229.656
Each (In a Tube of 34)
Units
Semi Flash 1 8 bit 20Msps Single Ended Voltage Surface Mount SOP 24 ±1LSB Parallel - 5 V 15 x 5.3 x 1.95mm
ใหม่ / New
RS Stock No. 210-8598
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD7134BCPZ
THB1,163.59
Each
Units
- 1 - 258.56ksps Differential - Surface Mount LFCSP 56 - Parallel & Serial (SPI) - - -
RS Stock No. 191-6847
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX144BCUA+
THB379.85
Each
Units
SAR 2 12 bit 108ksps Single Ended Single Ended Surface Mount μMAX 8 ±1LSB 3-Wire SPI, Micro Wire, QSPI, Serial Single 2.7 to 5.25 V 3.1 x 3.1 x 0.95mm
ใหม่ / New
RS Stock No. 215-8006
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP3565RT-E/SFX
Brand :Microchip
THB83.482
Each: (In a Pack of 5)
Units
- - 24 bit 153.6ksps - - Surface Mount UQFN 12 - - - - -
RS Stock No. 799-8468
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX1230BEEG+
THB536.54
Each
Units
SAR 16 12-bit 300ksps Differential, Single Ended Voltage Surface Mount QSOP 24 ±1LSB Serial (SPI/QSPI/Microwire) Single 5 V 8.74 x 3.99 x 1.65mm
RS Stock No. 103-9933
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX1239EEE+
THB355.038
Each (In a Tube of 100)
Units
SAR 12 12-bit 94.4ksps Differential Voltage Surface Mount QSOP 16 ±1LSB Serial (I2C) Single 2.7 to 3.6 V 4.98 x 3.99 x 1.55mm
RS Stock No. 806-5575
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD7193BCPZ
THB385.15
Each
Units
Delta Sigma 8 24-bit - Single Ended Voltage Surface Mount LFCSP WQ 32 ±30ppm FSR Serial (SPI/Microwire) Single 2.7 to 5.25 V 5.1 x 5.1 x 0.75mm
RS Stock No. 191-3183
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX11200EEE+
THB129.59
Each (In a Tube of 100)
Units
Delta Sigma 1 24 bit 480sps Differential Differential Surface Mount QSOP 16 ±10ppm FSR Serial-SPI Single 2.7 to 3.6 V 4.98 x 3.99 x 1.65mm
RS Stock No. 817-5761
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ADS8568SPM
THB744.51
Each
Units
SAR 8 16-bit 500ksps Single Ended Voltage Surface Mount LQFP 64 4.5LSB Parallel, Serial Dual - 10.2 x 10.2 x 1.45mm
RS Stock No. 734-4978
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ACPL-C797-000E
Brand :Broadcom
THB182.91
Each
Units
Delta Sigma 1 1 bit - Single Ended Voltage Surface Mount SSO 8 - - Single 3 → 5.5 V 5.85 x 6.807 x 3.18mm