ICL7139
Description
The Intersil ICL7139 and ICL7149 are high performance, low power, auto-ranging digital multimeter lCs.
Key Features
- Autoranging - First Reading is Always on Correct Range
- On-Chip Duplex LCD Display Drive Including Three Decimal Points and 11 Annunciators
- Low Power Dissipation - Less than 20mW - 1000 Hour Typical Battery Life
- Display Hold Input
- Continuity Output Drives Piezoelectric Beeper
- Low Battery Annunciator with On-Chip Detection
- Guaranteed Zero Reading for 0V Input on All Ranges