ICL7139 Overview
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. There is no “range hunting” noticeable in the display.
ICL7139 Key Features
- 13 Ranges
- ICL7139
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 1 AC Voltage 400V
- 4 DC Current 4mA, 40mA, 400mA, 4A
- 4 Resistance 4kΩ , 40kΩ , 400kΩ , 4MΩ
- 18 Ranges
- ICL7149
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 2 AC Voltage with Optional AC Circuit