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AD7785BRUZ - 

Analogue to Digital Converter, 20 bit, 470 SPS, Differential, Microwire, QSPI, SPI, Single, 2.7 V

AD7785BRUZ - Analogue to Digital Converter, 20 bit, 470 SPS, Differential, Microwire, QSPI, SPI, Single, 2.7 V

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Manufacturer Part No:
AD7785BRUZ
Order Code:
1498672
Product Range
AD7785 Series
Technical Datasheet:
AD7785BRUZ   Datasheet
See all Technical Docs

Product Overview

The AD7785BRUZ is a 3-channel low noise, low power 20-bit sigma-delta Analog-to-digital Converter (ADC) with on-chip in-amp and reference. It is a complete analog front end for high precision measurement applications. The on-chip low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setting of 64 the rms noise is 40nV when the update rate equals 4.17Hz. The device contains a precision low noise, low drift internal band gap reference and can accept an external differential reference. Other on-chip features include programmable excitation current sources, burnout currents and a bias voltage generator. The bias voltage generator sets the common-mode voltage of a channel to AVDD/2. It can be operated with either the internal clock or an external clock.
  • Low noise programmable gain instrumentation amp
  • Band gap reference with 4ppm/°C drift typical
  • Internal clock oscillator
  • Programmable current sources
  • On-chip bias voltage generator
  • Burnout currents
  • Independent interface power supply
  • 3-wire serial SPI®/QSPI™/MICROWIRE™/DSP compatible Schmitt trigger on SCLK

Applications

Test & Measurement, Automation & Process Control

Product Information

:
20bit
:
470SPS
:
Differential
:
Microwire, QSPI, SPI
:
Single
:
2.7V
:
5.25V
:
TSSOP
:
16Pins
:
-40°C
:
105°C
:
Triple 20-Bit Sigma-Delta ADCs
:
-
:
MSL 1 - Unlimited
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96 will be available for delivery on 1/8/20

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