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AD7688 - Differential ADC

Datasheet Summary

Description

The AD7688 is a 16-bit, charge redistribution, successive approximation, analog-to-digital converter (ADC) that operates from a single 5 V power supply, VDD.

Features

  • 16-bit resolution with no missing codes Throughput: 500 kSPS INL: ±0.4 LSB typ, ±1.5 LSB max (±23 ppm of FSR) Dynamic range: 96.5 dB SNR: 95.5 dB @ 20 kHz THD:.
  • 118 dB @ 20 kHz True differential analog input range ±VREF 0 V to VREF with VREF up to VDD on both inputs No pipeline delay Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI®/QSPI™/.

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Datasheet preview – AD7688

Datasheet Details

Part number AD7688
Manufacturer Analog Devices
File Size 500.06 KB
Description Differential ADC
Datasheet download datasheet AD7688 Datasheet
Additional preview pages of the AD7688 datasheet.

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  • AD7680 - 3mW + 100kSPS - 16-Bit ADC
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Full PDF Text Transcription

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16-Bit, 1.5 LSB INL, 500 kSPS PulSAR™ Differential ADC in MSOP/QFN AD7688 FEATURES 16-bit resolution with no missing codes Throughput: 500 kSPS INL: ±0.4 LSB typ, ±1.5 LSB max (±23 ppm of FSR) Dynamic range: 96.5 dB SNR: 95.5 dB @ 20 kHz THD: −118 dB @ 20 kHz True differential analog input range ±VREF 0 V to VREF with VREF up to VDD on both inputs No pipeline delay Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI®/QSPI™/MICROWIRE™/DSP-compatible Daisy-chain multiple ADCs and BUSY indicator Power dissipation 3.75 mW @ 5 V/100 kSPS 3.75 μW @ 5 V/100 SPS Standby current: 1 nA 10-lead MSOP (MSOP-8 size) and 3 mm × 3 mm QFN (LFCSP) (SOT-23 size) Pin-for-pin compatible with AD7685, AD7686, and AD7687 APPLICATION DIAGRAM 0.
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