Key facts
- Brand
- Maxim
- Model
- ICL7129A
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-01
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Maxim ICL7129A/MAX7129 A/D Converter with LCD Driver Datasheet
The ICL7129A/MAX7129 is a high‑precision 4‑1/2‑digit A/D converter that directly drives a multiplexed liquid‑crystal display. It uses a successive‑integration technique to achieve 19,999 count resolution on both 2.00000 V and 200.00 mV ranges, with low input bias and noise.
The document provides absolute maximum ratings, electrical characteristics, pin assignments, conversion technique details, and information on the on‑board display driver, range selection, low‑battery detection, continuity detection, and digital I/O functions.
Maxim ICL7129A specifications
| Count Resolution | 19,999 counts |
|---|---|
| Input Bias Current | 10 pA max |
| Noise | 3 µV peak‑to‑peak |
| Resolution | 10 µV |
| Full‑scale Accuracy | 0.0005 % |
| Zero‑reading Drift | 0.5 µV/°C |
| Low Battery Indicator | Provides visual and logic output |
| Overrange/Underrange Outputs | Digital outputs indicating out‑of‑range conditions |
| Range Select Ratio | 10:1 |
Source: Maxim ICL7129A/MAX7129 A/D Converter with LCD Driver Datasheet
All Maxim ICL7129A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the count resolution of the ICL7129A/MAX7129?
The device provides a count resolution of 19,999 counts.
From: Maxim ICL7129A/MAX7129 A/D Converter with LCD Driver Datasheet
What is the maximum input bias current?
The maximum input bias current is 10 pA.
From: Maxim ICL7129A/MAX7129 A/D Converter with LCD Driver Datasheet
What is the resolution of the Maxim ICL7129A?
The ICL7129A provides a resolution of up to 19,999 counts.
From: Maxim ICL7129A Datasheet
How does the ICL7129A detect a low‑battery condition?
The device detects and flags a LOW BATTERY condition and provides a visual indicator and logic‑level output.
From: Maxim ICL7129A Datasheet