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AD7781BRZ - 

Analogue to Digital Converter, 20 bit, 16.7 SPS, Single Ended, 2 Wire, Serial, Single, 2.7 V

AD7781BRZ - Analogue to Digital Converter, 20 bit, 16.7 SPS, Single Ended, 2 Wire, Serial, Single, 2.7 V

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Manufacturer Part No:
AD7781BRZ
Order Code:
1827291
Product Range
AD7781 Series
Technical Datasheet:
AD7781BRZ   Datasheet
See all Technical Docs

Product Overview

The AD7781BRZ is a 20-bit pin-programmable low power sigma-delta Analog-to-digital Converter (ADC) for bridge sensor products. Consuming only 330µA, the AD7781 is particularly suitable for portable or battery-operated products where very low power is required. It also has a power-down mode that allows the user to switch-OFF the power to the bridge sensor and power down the AD7781 when not converting, thus increasing the battery life of the product. For ease of use, all the features of the converter are controlled by dedicated pins. Each time a data read occurs, eight status bits are appended to the 24-bit conversion. These status bits contain a pattern sequence that can be used to confirm the validity of the serial transfer.
  • Pin-programmable filter response
  • Pin-programmable in-amp gain
  • Pin-programmable power-down and reset
  • Status function
  • Internal clock oscillator
  • Internal bridge power-down switch
  • Independent interface power supply
  • 2-wire serial interface - SPI compatible and Schmitt trigger on SCLK

Applications

Consumer Electronics, Automation & Process Control, Portable Devices

Product Information

:
20bit
:
16.7SPS
:
Single Ended
:
2 Wire, Serial
:
Single
:
2.7V
:
5.25V
:
SOIC
:
14Pins
:
-40°C
:
105°C
:
Single 20-Bit Sigma-Delta ADCs
:
-
:
MSL 1 - Unlimited
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