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AD7689 - 250kSPS PulSAR ADC

Download the AD7689 datasheet PDF. This datasheet also covers the AD7682 variant, as both devices belong to the same 250ksps pulsar adc family and are provided as variant models within a single manufacturer datasheet.

Description

The AD7682/AD7689 are 4-channel/8-channel, 16-bit, charge redistribution successive approximation register (SAR) analog-to-digital converters (ADCs) that operate from a single power supply, VDD.

Features

  • 16-bit resolution with no missing codes.
  • 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs.
  • Unipolar single-ended.
  • Differential (GND sense).
  • Pseudobipolar.
  • Throughput: 250 kSPS.
  • INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR).
  • Dynamic range: 93.8 dB.
  • SINAD: 92.5 dB at 20 kHz.
  • THD:.
  • 100 dB at 20 kHz.
  • Analog input range: 0 V to VREF with VREF up to VDD.
  • Multiple reference types.
  • Internal select.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD7682_AnalogDevices.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Analog Devices

Part Number Description
AD768 16-Bit/ 30 MSPS D/A Converter
AD7680 3mW + 100kSPS - 16-Bit ADC
AD7682 250kSPS PulSAR ADC
AD7683 16-Bit / 100 kSPS PulSAR ADC
AD7684 16-Bit - 100 kSPS PulSAR Differential ADC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Data Sheet AD7682/AD7689 16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADCs FEATURES ► 16-bit resolution with no missing codes ► 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs ► Unipolar single-ended ► Differential (GND sense) ► Pseudobipolar ► Throughput: 250 kSPS ► INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR) ► Dynamic range: 93.8 dB ► SINAD: 92.5 dB at 20 kHz ► THD: −100 dB at 20 kHz ► Analog input range: 0 V to VREF with VREF up to VDD ► Multiple reference types ► Internal selectable 2.5 V or 4.096 V ► External buffered (up to 4.096 V) ► External (up to VDD) ► Internal temperature sensor (TEMP) ► Channel sequencer, selectable 1-pole filter, busy indicator ► No pipeline delay, SAR architecture ► Single-supply 2.3 V to 5.5 V operation with 1.8 V to 5.
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