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AD7864AS-1

AD7864AS-1 Manufacturer

Analog Devices

AD7864AS-1 Description

High Speed, Low Power, 4-channel Simultaneous Sampling, 12-Bit ADC

AD7864AS-1 Description

IC ADC 12BIT DUAL 4CH 44-MQFP

AD7864AS-1 Categories

12-Bit A/D Converters

AD7864AS-1 Datasheet (PDF)

AD7864: 4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC Data Sheet
AD7864

AD7864AS-1 Price & Availability


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AD7864AS-1 Features

  • High Speed (1.65 µs) 12-Bit ADC
  • 4 Simultaneously Sampled Inputs
  • 4 Track/Hold Amplifiers
  • 0.35 µs Track/Hold Acquisition Time
  • 1.65 µs Conversion Time per Channel
  • HW/SW Select of Channel Sequence for Conversion
  • Single-Supply Operation
  • Low Power, 90 mW Typ
  • Selection of Input Ranges:

    ±10 V, ±5 V for AD7864-1

    ±2.5 V for AD7864-3

    0 V to 2.5 V, 0 V to 5 V for AD7864-2
  • High Speed Parallel Interface Allows

    Interface to 3 V Processors
  • Power Saving Mode, 20 µW Typ
  • Overvoltage Protection on Analog

    Inputs

AD7864AS-1 Parameters

StatusProdn
Package44 ld MQFP (13.90mm wide)
Pins44
Res (Bits)12bit
Thruput Rate520KSPS
# of ADC Inputs4
Supply VSingle(+5)
Pwr Diss (max)120mW
InterfacePar
Ain RangeBip 10V, Bip 2.5V, Bip 5.0V, Uni 2.5V, Uni 5.0V
SNR (dB)78dB
Pkg TypeQFP
Power Dissipation (Max)120mW
CategoryIntegrated Circuits (ICs)
FamilyAnalog to Digital Converters
Operating Temperature-40°C ~ 85°C
Data InterfaceParallel
Package / Case44-MQFP, 44-PQFP
Voltage Supply SourceAnalog and Digital
Number of Bits12
Number of Converters1
Sampling Rate (Per Second)520k
Number of Inputs and Type4 Differential, Bipolar
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