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AD7193 Datasheet PDF

Part Series:AD7193 Series
Description:4Channel, 4.8kHz, Ultralow Noise, 24Bit Sigma-Delta ADC with PGA
Document:AD7193BRUZ Datasheet PDF (58 Pages)

AD7193 Datasheet PDF

57 Pages
ADI
ADC Single Delta-Sigma 4.8KSPS 24Bit Serial 32Pin LFCSP EP T/R
57 Pages
ADI
4Channel, 4.8kHz, Ultralow Noise, 24Bit Sigma-Delta ADC with PGA

AD7193 - ADI Function Overview

GENERAL DESCRIPTION
The AD7193 is a low noise, complete analog front end for high precision measurement applications. It contains a low noise, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC). The on-chip low noise gain stage means that signals of small amplitude can interface directly to the ADC.
FEATURES
Fast settling filter option
4 differential/8 pseudo differential input channels
RMS noise: 11 nV @ 4.7 Hz (gain = 128)
15.5 noise-free bits @ 2.4 kHz (gain = 128)
Up to 22 noise-free bits (gain = 1)
Offset drift: ±5 nV/°C
Gain drift: ±1 ppm/°C
Specified drift over time
Automatic channel sequencer
Programmable gain (1 to 128)
Output data rate: 4.7 Hz to 4.8 kHz
Internal or external clock
Simultaneous 50 Hz/60 Hz rejection
4 general-purpose digital outputs
Power supply
  AVDD: 3 V to 5.25 V
  DVDD: 2.7 V to 5.25 V
Current: 4.65 mA
Temperature range: −40°C to +105°C
Package: 28-lead TSSOP
Interface
   3-wire serial
   SPI, QSPI™, MICROWIRE™, and DSP compatible
  Schmitt trigger on SCLK
APPLICATIONS
PLC/DCS analog input modules
Data acquisition
Strain gage transducers
Pressure measurement
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