Data Acquisition System ICs

A Data Acquisition System, commonly abbreviated to DAS or DAQ, is a device that measures analogue electrical signals and converts them into digital form. The translation of analogue signals into digital provides data in a binary format that can be stored, read and processed by a computing system.

For example, a Data Acquisition System is commonly used to process the signals produced by sensors. A sensor monitors a physical phenomenon, producing an analogue output proportional to the variable being measured. A Data Acquisition System can be used to convert the signal into digital, allowing it to be used by the host system.

To provide complete analogue-to-digital conversion functionality a Data Acquisition System IC integrates all the required circuity into one device, marrying an analogue front-end (AFE) signal conditioning circuit to an analogue-to-digital converter in one package.

Signal conditioning circuity prepares the analogue input for processing, as often raw input signals are not suitable for processing by the analogue-to-digital converter. Filtering, amplification, isolation and attenuation are some examples of the conditioning circuity that may be integrated into the device.

Why use a Digital Acquisition System IC for Signal Conversion?

• A DAS IC provides a complete signal conversion solution, it minimises the external circuity required. Component count is less compared to utilising standalone analogue to digital converters with separate signal conditioning circuits
• Product development is simpler as all of the needed conversion functionality is already designed and provided by the device.
• Can be more space efficient and take up less PCB space

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Description Price Number of ADCs Number of DACs Data Rate Resolution Signal to Noise Ratio Maximum Settling Time Mounting Type Package Type Pin Count Integral Nonlinearity Error Full Scale Error Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage
RS Stock No. 403-648
Mfr. Part No.MCP2120-I/SL
BrandMicrochip
PHP52.782
Each (In a Pack of 5)
units
- - - - - - Surface Mount SOIC 14 - - - - -
RS Stock No. 911-5586
Mfr. Part No.MCP2120-I/SL
BrandMicrochip
PHP38.056
Each (In a Tube of 57)
units
- - - - - - Surface Mount SOIC 14 - - - - -
RS Stock No. 159-9291
Mfr. Part No.ADAS3023BCPZ
PHP1,486.321
Each (In a Tray of 490)
units
1 - 1Msps 16 bit 91.5dB 100ms Surface Mount LFCSP 40 - - Single 4.75 → 5.25 V -
RS Stock No. 795-8022
Mfr. Part No.ADAS3023BCPZ
PHP1,600.20
Each
units
1 - 1Msps 16 bit 91.5dB 100ms Surface Mount LFCSP 40 - - Single 4.75 → 5.25 V -
RS Stock No. 858-0605
Mfr. Part No.LTC1091CN8#PBF
PHP1,092.08
Each
units
1 - - 10 bit - - Through Hole PDIP 8 - ±2LSB Single 4.5 → 10 V -
RS Stock No. 144-6430
Mfr. Part No.ADAQ7980BCCZ
PHP1,208.287
Each (In a Tray of 442)
units
1 - - 16 bit - - Surface Mount LGA 24 ±20ppm - Dual, Single - -
RS Stock No. 144-6452
Mfr. Part No.ADAQ7988BCCZ
PHP946.05
Each
units
1 - - 16 bit - - Surface Mount LGA 24 ±20ppm - Dual, Single - -
RS Stock No. 172-7833
Mfr. Part No.AD7616BSTZ
PHP1,381.378
Each (In a Tray of 90)
units
2 0 1Msps 16 (ADC) bit 90.5 dB @ ±10 V 120µs Surface Mount LQFP 80 ±2LSB ±32 LSB @ ±10 V Dual, Single 5 V ±10 V, ±2.5 V, ±5 V
RS Stock No. 177-3061
Mfr. Part No.MCP2122T-E/SN
BrandMicrochip
PHP34.05
Each (In a Pack of 20)
units
- - 115.2kBd 8 bit, 16 bit - - Surface Mount SOIC 8 - - Single - -
RS Stock No. 171-4091
Mfr. Part No.BU92001KN-E2
BrandROHM
PHP126.682
Each (On a Reel of 2500)
units
- - 115.2ksps - - - Surface Mount VQFN 20 - - Single 3 V -
RS Stock No. 159-9299
Mfr. Part No.ADAS3022BCPZ
PHP1,393.599
Each (In a Tray of 490)
units
1 1 1Msps 16 bit 91.5dB 100ms Surface Mount LFCSP 40 +1.5LSB ±15LSB Dual, Single 4.75 → 5.25 V ±1.28 → ±10.24V
RS Stock No. 160-1710
Mfr. Part No.AD7609BSTZ
PHP2,018.735
Each (In a Tray of 160)
units
18 - 200ksps 18 bit 101dB 80µs Surface Mount LQFP 64 ±7.5LSB ±140LSB Single 5 V -
RS Stock No. 131-1218
Mfr. Part No.AD7616BSTZ
PHP1,174.95
Each
units
2 0 1Msps 16 (ADC) bit 90.5 dB @ ±10 V 120µs Surface Mount LQFP 80 ±2LSB ±32 LSB @ ±10 V Dual, Single 5 V ±10 V, ±2.5 V, ±5 V
RS Stock No. 786-9799
Mfr. Part No.LTC1290DCSW#PBF
PHP963.73
Each
units
1 1 - 12 bit 74dB 13µs Surface Mount SOIC 20 ±0.75LSB 1LSB Dual, Single 5 V ±5V
RS Stock No. 159-6632
Mfr. Part No.MCP2122-E/SN
BrandMicrochip
PHP27.912
Each (In a Tube of 100)
units
- - - - - - Surface Mount SOIC 8 - - Single - -
RS Stock No. 912-8148
Mfr. Part No.AD7606BSTZ-4
PHP845.134
Each (In a Tray of 160)
units
1 - 200ksps 16 bit 95.5dB 80µs Surface Mount LQFP 64 ±2LSB ±32LSB Single 5 V -
RS Stock No. 145-6092
Mfr. Part No.LTC1392CS8#PBF
PHP303.616
Each (In a Tube of 100)
units
1 - - 10 bit - - Surface Mount SOIC 8 - ±25LSB Single 4.5 → 6 V -
RS Stock No. 858-0721
Mfr. Part No.LTC1392CS8#PBF
PHP585.36
Each
units
1 - - 10 bit - - Surface Mount SOIC 8 - ±25LSB Single 4.5 → 6 V -
RS Stock No. 144-6431
Mfr. Part No.ADAQ7988BCCZ
PHP888.758
Each (In a Tray of 442)
units
1 - - 16 bit - - Surface Mount LGA 24 ±20ppm - Dual, Single - -
RS Stock No. 160-2729
Mfr. Part No.AD5592RBRUZ
PHP291.533
Each (In a Tube of 96)
units
1 8 400ksps 12 bit 81dB 6µs Surface Mount TSSOP 16 ±1 (DAC) LSB, ±2 (ADC) LSB 0.3%FSR Single 2.7 → 5.5 V -
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