Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 2000 Number of input channels 4 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 35.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 71.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 12 Sample rate (max) (ksps) 2000 Number of input channels 4 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential Multichannel configuration Simultaneous Sampling Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 35.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 71.5 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
SSOP (DBQ) 24 51.9 mm² 8.65 x 6 VQFN (RGE) 24 16 mm² 4 x 4
  • Four Fully- or Six Pseudo-Differential Inputs
  • SNR: 71 dB
  • THD: –81 dB
  • Programmable and Buffered Internal 2.5-V Reference
  • Flexible Power-Down Features
  • Variable Power-Supply Ranges: 2.7 V to 5.5 V
  • Low-Power Operation: 45 mW at 5 V
  • Operating Temperature Range:
    –40°C to +125°C
  • Pin-Compatible with the ADS7861 and ADS8361 (SSOP Package)
  • Four Fully- or Six Pseudo-Differential Inputs
  • SNR: 71 dB
  • THD: –81 dB
  • Programmable and Buffered Internal 2.5-V Reference
  • Flexible Power-Down Features
  • Variable Power-Supply Ranges: 2.7 V to 5.5 V
  • Low-Power Operation: 45 mW at 5 V
  • Operating Temperature Range:
    –40°C to +125°C
  • Pin-Compatible with the ADS7861 and ADS8361 (SSOP Package)

The ADS7863A is a dual, 12-bit, 2-MSPS, analog-to-digital converter (ADC) with four fully-differential or six pseudo-differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. Inputs to the sample-and-hold (S/H) amplifiers are fully differential and are maintained differential to the ADC input. This architecture provides excellent common-mode rejection of 72 dB at 100 kHz, which is a critical performance characteristic in noisy environments.

The device is pin-compatible with the ADS7861, but offers additional features such as a programmable reference output, flexible supply voltage (2.7 V to 5.5 V for AVDD and BVDD), a pseudo-differential input multiplexer with three channels per ADC, and several power-down features.

The device is offered in an SSOP-24 and a 4-mm × 4-mm QFN-24 package. The device is specified over the extended operating temperature range of –40°C to +125°C.

The ADS7863A is a dual, 12-bit, 2-MSPS, analog-to-digital converter (ADC) with four fully-differential or six pseudo-differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. Inputs to the sample-and-hold (S/H) amplifiers are fully differential and are maintained differential to the ADC input. This architecture provides excellent common-mode rejection of 72 dB at 100 kHz, which is a critical performance characteristic in noisy environments.

The device is pin-compatible with the ADS7861, but offers additional features such as a programmable reference output, flexible supply voltage (2.7 V to 5.5 V for AVDD and BVDD), a pseudo-differential input multiplexer with three channels per ADC, and several power-down features.

The device is offered in an SSOP-24 and a 4-mm × 4-mm QFN-24 package. The device is specified over the extended operating temperature range of –40°C to +125°C.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet Dual, 2-MSPS, 12-Bit, 2 + 2 or 3 + 3 Channel, Simultaneous-Sampling, ADC datasheet 12 Dez 2013
Application note An Introduction to the ADS7863A 10 Apr 2013

Design und Entwicklung

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