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ADS7822-Q1

ACTIVE

Automotive 12-Bit, 200kSPS Micro Power Sampling Analog-To-Digital Converter

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Data sheet

ADS7822-Q1

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 12 Sample rate (max) (ksps) 200 Number of input channels 1 Interface type SPI Architecture SAR Input type Pseudo-Differential, Single-ended Rating Automotive Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.6 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 71 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 200 Number of input channels 1 Interface type SPI Architecture SAR Input type Pseudo-Differential, Single-ended Rating Automotive Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.6 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 71 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Qualified for Automotive Applications
  • 200-kHz Sampling Rate
  • Micropower:
    1.6 mW at 200 kHz
    0.54 mW at 75 kHz
    0.06 mW at 7.5 kHz
  • Power-Down Current: 3 µA Max
  • MSOP-8 Package
  • Pseudo-Differential Input
  • Serial Interface
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multichannel Systems

All other trademarks are the property of their respective owners.
  • Qualified for Automotive Applications
  • 200-kHz Sampling Rate
  • Micropower:
    1.6 mW at 200 kHz
    0.54 mW at 75 kHz
    0.06 mW at 7.5 kHz
  • Power-Down Current: 3 µA Max
  • MSOP-8 Package
  • Pseudo-Differential Input
  • Serial Interface
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multichannel Systems

All other trademarks are the property of their respective owners.

The ADS7822 is a 12-bit sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7-V to 5.25-V supply range. It requires very little power even when operating at the full 200-kHz rate. At lower conversion rates, the high speed of the device enables it to spend most of its time in the power-down mode—the power dissipation is less than 60 µW at 7.5 kHz.

The ADS7822 also features operation from 2.0 V to 5 V, a synchronous serial interface, and a pseudo-differential input. The reference voltage can be set to any level within the range of 50 mV to VCC.

Ultra low power and small size make the ADS7822 ideal for battery-operated systems. It is also a perfect fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS7822 is available in an MSOP-8 package.

The ADS7822 is a 12-bit sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7-V to 5.25-V supply range. It requires very little power even when operating at the full 200-kHz rate. At lower conversion rates, the high speed of the device enables it to spend most of its time in the power-down mode—the power dissipation is less than 60 µW at 7.5 kHz.

The ADS7822 also features operation from 2.0 V to 5 V, a synchronous serial interface, and a pseudo-differential input. The reference voltage can be set to any level within the range of 50 mV to VCC.

Ultra low power and small size make the ADS7822 ideal for battery-operated systems. It is also a perfect fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS7822 is available in an MSOP-8 package.
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* Data sheet 12-Bit 200-kHz Micropower Sampling Analog-to-Digital Converter datasheet 31 Mar 2009
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21 May 2015
Application note Determining Minimum Acquisition Times for SAR ADCs, part 2 17 Mar 2011
Application note Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) 10 Nov 2010

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