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AD7173-8 - Highly Integrated Sigma-Delta ADC

General Description

Fast settling, highly accurate, low power, 8-/16-channel, multiplexed ADC for low bandwidth input signals with integrated input buffers.

Integrated precision, 2.5 V, low drift (3.5 ppm/°C), band gap reference and integrated oscillator.

Key Features

  • Low power, 8-/16-channel, highly integrated multiplexed analog-to-digital converter (ADC) Integration Precision analog input buffers and reference input buffers 2.5 V precision reference (3.5 ppm/°C) Cross point multiplexer (enable system diagnostic) 8 full differential or 16 single-ended channels Clock oscillator GPIO and GPO pins with automatic external mux control Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate: 6.21 kSPS/channel (161 µs settling) Performance spec.

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

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Data Sheet Low Power, 8-/16-Channel, 31.25 kSPS, 24-Bit, Highly Integrated Sigma-Delta ADC AD7173-8 FEATURES Low power, 8-/16-channel, highly integrated multiplexed analog-to-digital converter (ADC) Integration Precision analog input buffers and reference input buffers 2.5 V precision reference (3.5 ppm/°C) Cross point multiplexer (enable system diagnostic) 8 full differential or 16 single-ended channels Clock oscillator GPIO and GPO pins with automatic external mux control Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate: 6.21 kSPS/channel (161 µs settling) Performance specifications 17.5 noise free bits at 31.25 kSPS 24 noise free bits at 1.25 SPS INL: ±3 ppm/FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling Operates with either 3.