ICL7139 Overview
Key Specifications
Package: QFP
Operating Voltage: 9 V
Max Operating Temp: 70 °C
Min Operating Temp: 0 °C
Description
The Intersil ICL7139 and ICL7149 are high performance, low power, auto-ranging digital multimeter lCs. Unlike other autoranging multimeter ICs, the ICL7139 and ICL7149 always display the result of a conversion on the correct range.
Key Features
- 1 AC Voltage 400V
- 2 AC Voltage with Optional AC Circuit
- 4 AC Current with Optional AC Circuit
- First Reading is Always on Correct Range
- On-Chip Duplex LCD Display Drive Including Three Decimal Points and 11 Annunciators
- No Additional Active Components Required
- Low Power Dissipation
- Less than 20mW
- 1000 Hour Typical Battery Life
- Display Hold Input
