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庫存編號 806-7802
製造零件編號AD7609BSTZ
HK$362.59
單位
18 - 200ksps 18 bit 101dB 80µs Surface Mount LQFP 64 ±7.5LSB ±140LSB Single 5 V -
RS庫存編號 875-4812
製造零件編號AD5592RBRUZ
HK$70.93
單位
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 -
RS庫存編號 806-7799
製造零件編號AD7606BSTZ-4
HK$186.06
單位
1 - 200ksps 16 bit 95.5dB 80µs Surface Mount LQFP 64 ±2LSB ±32LSB Single 5 V -
RS庫存編號 796-8701
製造零件編號ADAS3022BCPZ
HK$269.96
單位
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庫存編號 806-7809
製造零件編號AD7606BSTZ-6
HK$227.84
單位
1 - 200ksps 16 bit 95.5dB 80µs Surface Mount LQFP 64 ±2LSB ±32LSB Single 5 V -
RS庫存編號 786-9799
製造零件編號LTC1290DCSW#PBF
HK$234.92
單位
1 1 - 12 bit 74dB 13µs Surface Mount SOIC 20 ±0.75LSB 1LSB Dual, Single 5 V ±5V
全新
RS庫存編號 203-5824
製造零件編號MAX17823BGCB/V+
HK$105.02
單位
1 - - 12 bit - - - LQFP 64 - - - - -
RS庫存編號 858-0605
製造零件編號LTC1091CN8#PBF
HK$199.25
單位
1 - - 10 bit - - Through Hole PDIP 8 - ±2LSB Single 4.5 → 10 V -
RS庫存編號 200-3857
製造零件編號MAX17843ACB/V+
HK$85.651
Each (In a Tray of 160)
單位
- - - - - - - LQFP 64 - - - - -
RS庫存編號 171-4187
製造零件編號BU92001KN-E2
BrandROHM
HK$57.22
/個 (每包:2個)
單位
- - 115.2ksps - - - Surface Mount VQFN 20 - - Single 3 V -
全新
RS庫存編號 204-2489
製造零件編號MAX17853ACB/V+
HK$97.24
單位
1 - - 12 bit - 384µs - LQFP 64 - - - - -
RS庫存編號 200-6328
製造零件編號AS8510-ASSM
Brandams
HK$51.714
個 (在毎卷:500)
單位
2 No DACs / 2 ADCs - 16 bit 90dB 2000µs - SSOP 20 - - - - -
RS庫存編號 538-4145
製造零件編號AD7569JNZ
HK$285.57
單位
1 1 200kHz 8 bit 44dB 4µs Through Hole PDIP 24 ±1LSB ±3LSB Dual, Single 5 V ±5V
RS庫存編號 911-5586
製造零件編號MCP2120-I/SL
BrandMicrochip
HK$8.919
毎管:57 個
單位
- - - - - - Surface Mount SOIC 14 - - - - -
RS庫存編號 159-6632
製造零件編號MCP2122-E/SN
BrandMicrochip
HK$6.077
毎管:100 個
單位
- - - - - - Surface Mount SOIC 8 - - Single - -
全新
RS庫存編號 204-2487
製造零件編號MAX17853ACB/V+
HK$77.099
Each (In a Tray of 160)
單位
1 - - 12 bit - 384µs - LQFP 64 - - - - -
全新
RS庫存編號 203-5823
製造零件編號MAX17823BGCB/V+
HK$88.187
Each (In a Tray of 160)
單位
1 - - 12 bit - - - LQFP 64 - - - - -
RS庫存編號 795-8022
製造零件編號ADAS3023BCPZ
HK$287.95
單位
1 - 1Msps 16 bit 91.5dB 100ms Surface Mount LFCSP 40 - - Single 4.75 → 5.25 V -
RS庫存編號 865-9899
製造零件編號ADS8688IDBT
HK$163.06
單位
1 - 0.5Msps 16 bit - - Surface Mount TSSOP 38 ±4LSB - Single 3.3 V, 5 V -
RS庫存編號 681-1118
製造零件編號MCP2122-E/SN
BrandMicrochip
HK$6.612
/個 (每包:5個)
單位
- - - - - - Surface Mount SOIC 8 - - Single - -