The TC7106A and TC7107A are 3-1/2 digit direct-display drive analog-to-digital converters that allow existing 7106/7107 based systems to be upgraded. Each device has a precision reference voltage with a maximum temperature coefficient of 20ppm/°C. This represents a 4 to 7 times improvement over similar 3-1/2 digit converters. Existing 7106 and 7107 based systems can achieve higher accuracy by replacing the chips.
The TC7106/TC7106A and TC7107/TC7107A are 3‑1/2‑digit dual‑slope analog‑to‑digital converters with LCD (TC7106) or LED (TC7107) displays. They feature low‑temperature‑drift internal references, auto‑zero cycles, true polarity indication, and low‑noise operation. The A‑variant devices support 9 V battery operation and drive LCD displays directly.
The document provides ordering information, absolute maximum ratings, electrical characteristics, pin configurations, package options, and worldwide sales contacts for Microchip Technology Inc.
| Full‑Scale Input | 200 mV |
|---|---|
| Zero Input Reading | 0 counts |
| Operating Temperature (Commercial) | 0 °C to +70 °C |
The full‑scale input range is 200 mV.