The Maxim ICL7135 is a monolithic 41/4-digit analog-to-digital (A/D) converter featuring dual-slope conversion reliability. It offers high impedance differential inputs, nearly ideal differential linearity, true tatiometric operation, and auto-zero/auto-polarity capabilities.
Designed for microprocessor-based data acquisition and control systems, the device provides multiplexed BCD outputs that interface easily with external display drivers like the Maxim 1CM7211A. It includes enhanced OVERRANGE, UNDERRANGE, RUN, and BUSY lines to facilitate interfacing with microprocessors and UARTs.
| Resolution | 41/4 Digit (20,000 Count) |
|---|---|
| Accuracy | + 1 in 20,000 count |
| Full Scale Capability | 2.0000V |
| Zero Reading Drift | 0.5 µV/°C |
| Input Bias Current | 10 pA max |
| Operating Temperature Range | -40°C to +70°C |
The device provides a 41/4-digit resolution, which corresponds to a 20,000 count circuit.
Yes, it features true tatiometric operation with auto zero and auto-polarity capabilities.
The device provides multiplexed BCD outputs along with digit drivers.