DDC232
Overview
The DDC232 is a 20-bit, 32-channel, current-input analog-to-digital (A/D) converter. It combines both current-to-voltage and A/D conversion so that 32 separate low-level current output devices, such as photodiodes, can be directly connected to its inputs and digitized.
- 2 Single-Chip Solution to Directly Measure 32 Low-Level Currents
- High-Precision, True Integrating Function
- Integral Linearity: ±0.025% of Reading ±1.0ppm of FSR
- Very Low Noise: 5.3ppm of FSR
- Low Power: 7mW/channel
- Adjustable Full-Scale Range
- Adjustable Speed - Data Rate up to 6kSPS - Integration Times as low as 166.5ms
- Daisy-Chainable Serial Interface
- In-Package Bypass Capacitors Simplify PCB Design
