AD7711AAR
AD7711AAR Description
CMOS, 24-Bit Sigma-Delta, Signal Conditioning ADC with Matched RTD Excitation Currents
AD7711AAR Vendor
Analog Devices
AD7711AAR Features
  • Charge-Balancing ADC
    - 24 Bits, No Missing Codes
    - ±0.0015% Nonlinearity
  • 2-Channel Programmable Gain Front End
    - Gains from 1 to 128
    - 1 Differential Input
    - 1 Single-Ended Input
  • Low-Pass Filter with Programmable Filter Cutoffs
  • Ability to Read/Write Calibration
    Coefficients
  • RTD Excitation Current Sources
  • Bidirectional Microcontroller
    Serial Interface
  • Internal/External Reference Option
  • Single- or Dual-Supply Operation
  • Low Power (25 mW typ) with
    Power-Down Mode (7 mW typ)
AD7711AAR Datasheet and Application Notes
ParameterValue
Res (Bits)24bit
Thruput Rate1.028KSPS
# of ADC Inputs2
Supply VDual(+5, -5), Multi(±5, +5 logic), Single(+5)
Pwr Diss (max)53mW
InterfaceSer
Ain RangeBip (Vref)/(PGA Gain), Uni (Vref)/(PGA Gain)
SNR (dB)131dB
Pkg TypeDIP, SOIC
StatusProdn
Package24 ld SOIC - Wide
Pins24
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