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AD4115 - 24-Bit Sigma-Delta ADC

Description

The AD4115 is a low power, low noise, 24-bit, sigma-delta (Σ-Δ) analog-to-digital converter (ADC) that integrates an analog front end (AFE) for eight fully differential or 16 single-ended, high impedance (≥1 MΩ), bipolar, ±10 V voltage inputs.

Features

  • 24-bit ADC with integrated AFE Fast and flexible output rate: 2.5 SPS to 125 kSPS Channel scan data rate of 24,845 SPS per channel (40.25 µs settling) 85 dB common mode rejection of 50 Hz and 60 Hz at 20 SPS per channel ±10 V inputs, either 8 differential or 16 single-ended VIN pin absolute maximum rating ±65 V Absolute input pin voltage up to ±20 V Minimum 1 MΩ impedance On-chip 2.5 V reference ±0.12% initial accuracy at 25°C, ±5 ppm/°C (typical) drift Internal or external clock Power supplies.

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Full PDF Text Transcription

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Single-Supply, Multichannel, 125 kSPS, 24-Bit, Sigma-Delta ADC with ±10 V Inputs Data Sheet FEATURES 24-bit ADC with integrated AFE Fast and flexible output rate: 2.5 SPS to 125 kSPS Channel scan data rate of 24,845 SPS per channel (40.25 µs settling) 85 dB common mode rejection of 50 Hz and 60 Hz at 20 SPS per channel ±10 V inputs, either 8 differential or 16 single-ended VIN pin absolute maximum rating ±65 V Absolute input pin voltage up to ±20 V Minimum 1 MΩ impedance On-chip 2.5 V reference ±0.12% initial accuracy at 25°C, ±5 ppm/°C (typical) drift Internal or external clock Power supplies AVDD = 4.5 V to 5.5 V IOVDD = 2 V to 5.5 V Total current consumption AVDD + IOVDD (IDD) = 10.
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