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Product Parameter

1. 8-channel analog input, impedance 1M ohms, no need for front-end analog operational amplifier circuit, can be directly connected to sensor output

2. The true bipolar input range is ± 5V and ± 10V, and the range can be controlled through IO

3. Resolution 16 bits

4. Maximum sampling frequency of 200KSPS, supports 8 levels of oversampling settings (can effectively reduce jitter)

5. Chip built-in benchmark

6. SPI interface or 16 bit bus interface, interface IO level can be 5V or 3.3V

7. Analog input clamp protection

Product Introduction

This product is a 16 bit, 8-channel synchronous sampling analog-to-digital data acquisition module with a sampling rate of up to 200kSP per channel. It has built-in analog input clamp protection, second-order anti aliasing filter tracking and holding amplifier, 16 bit charge redistribution successive approximation ADC, digital filter 2.5V reference voltage source, reference voltage buffer, and high-speed serial and parallel interfaces.

The module is powered by a 5V single power supply, with on-chip filtering and high input impedance, so there is no need to drive operational amplifiers and external bipolar power supplies; The 3dB cut-off frequency of the anti aliasing filter is 22kHz; When the sampling rate is 200kSPS, it has a 40dB anti aliasing suppression characteristic; The input clamp protection circuit ensures that the input can withstand a voltage of ± 16.5V.

It can be applied to power line monitoring and protection, multiphase motor control, instrumentation and control, multi axis positioning data collection and other systems.

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