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ADAS1135 Datasheet Current-to-Digital ADC

Manufacturer: Analog Devices

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General Description

The ADAS1135 is a 256-channel, current-to-digital, analog-todigital converter (ADC) module.

It contains 256 low power, low noise, low input current integrators, simultaneous sample-andholds, and two high speed, high resolution ADCs with configurable sampling rate and resolutions of up to 24 bits.

The signal chain and sampling architecture of the ADAS1135 is designed to guarantee that all channels are simultaneously sampled, and that no charge is lost throughout the sampling process.

Overview

Data Sheet 256-Channel, 24-Bit, Current-to-Digital ADC Module ADAS1135.

Key Features

  • 256-channel, current-to-digital converter module Up to 24-bit resolution Variable integration time Fastest integration time: 22.6 kSPS maximum (44.2 μs minimum) at 20-bit resolution Low power dissipation: 2.3 mW per channel at any throughput Integral linearity ±0.050% of reading, ±1.0 ppm of FSR: all channels active Very low noise Simultaneous sampling No dead time, no loss of charge, 100% charge collection User adjustable full-scale range On-board temperature sensor and reference buffer 15 mm ×.

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