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AD7694
  • AD7694
  • AD7694

AD7694

PRODUCTION

250 kSPS 16-BIT PulSAR® A/D Converter in µSOIC

Analog Devices AD7694 Product Info

10 February 2026 3

Features

  • 16 Bits Resolution
  • Throughput: 250 kSPS
  • INL: ±4 LSB Max
  • Power Dissipation:
    800 µA @ 5V/100 kSPS
    540 µA @ 2.7V/100 kSPS
  • Pseudo-Differential Analog Input Range: 0 V to VREF with VREF up to VDD
  • S/(N+D): 92 dB @ 20 kHz
  • No Pipeline Delay
  • Single Supply Operation 2.7 V or 5 V
  • Serial Interface SPI®/QSPI/µWire/DSP compatible
  • µSOIC Package (µSO8)
  • Improved 2nd Source of LTC1864 and LTC1864L

Part details & applications

The AD7694 is a 16-bit, 250 kSPS, charge redistribution successive-approximation Analog-to-Digital Converter which operates from a single power supply, VDD between 2.7 V to 5.25 V. It contains a very low power high-speed 16-bit sampling ADC with no missing codes (B grade), an internal conversion clock and a SPI compatible serial interface port. The part also contains a low noise, wide bandwidth, very short aperture delay track/hold circuit. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN-. The reference voltage REF is applied externally and can be set up to the supply voltage.

Its power scales linearly with throughput.

The AD7694 is housed in a 8-lead µSOIC with operation specified from –40°C to +85°C.

APPLICATIONS

  • Battery Powered Equipments:
  • Medical instruments
  • Mobile communications
  • Personal digital assistants
  • Data Acquisition
  • Instrumentation
  • Process Control

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