Key facts
- Brand
- MICROCHIP
- Model
- TC7117
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-06-01
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Microchip TC7116/A and TC7117/A Datasheet
This document describes the TC7116/A and TC7117/A 3‑1/2 digit CMOS analog‑to‑digital converters, including their features such as low temperature drift internal reference, display hold function, and low noise operation. It outlines typical applications like thermometry, bridge readouts, digital meters, and portable instrumentation.
Detailed sections cover electrical characteristics, pin function tables for various package types, analog section operation, and reference voltage handling. The datasheet also includes a device selection table, typical application circuits, and regulatory information.
MICROCHIP TC7117 specifications
| Zero Input Reading | 0 V |
|---|---|
| Full Scale Range | 200 mV or 2 V |
| Common Mode Rejection Ratio (CMRR) | 50 |
| Noise (Peak‑to‑Peak) | 15 µV |
| Input Leakage Current | 1–10 pA |
| Zero Reading Drift | 0.2 ppm/°C |
| Scale Factor Temperature Coefficient (TC7116/A) | 5 ppm/°C |
| Input Resistance (Pin 1) | 30–70 kΩ |
All MICROCHIP TC7117 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the full‑scale range of the TC7116/A and TC7117/A?
The devices support a full‑scale range of 200 mV or 2 V.
What is the typical input leakage current?
The input leakage current is between 1 pA and 10 pA.
What is the supply voltage range for the TC7116/A and TC7117/A?
TC7116/TC7116A use V+ to V‑, while TC7117/TC7117A use V+ to GND.
What is the input leakage current of these ADCs?
The input leakage current is specified as 10 pA.
What is the full scale range of the TC7116/A and TC7117/A converters?
The devices can be configured for either a 2 V full‑scale range or a 200 mV full‑scale range.
What is the typical temperature drift of the internal reference?
The internal reference drifts about 20 ppm per degree Celsius for the TC7116A/TC7117A versions.