Intersil ICL7149
the ICL7139 and ICL7149 always display the result of a conversion on the correct range. The unit will autorange between the four different ranges. ICL7139, ICL7149 August 1997 3 3/4 Digit, Autoranging Multimeter Description The Intersil ICL7139 and ICL7149 are high performance, low power, auto-ranging digital multimeter lCs.| Part No. | ICL7149 |
|---|---|
| Datasheet | ICL7149 Download |
| Manufacturer |  Intersil |
| Description | 33/4 Digit Autoranging Multimeter |
| Buy | Stock & Price |
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 - 4 DC Current 4mA, 40mA, 400mA, 4A - 4 AC Current with Optional AC Circuit - 4 Resistance 4kΩ , 40kΩ , 400kΩ , 4MΩ
● Autoranging - 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
● Continuity Output Drives Piezoelectric Beeper
● Low Battery Annunciator with On-Chip Detection
● Guaranteed Zero Reading for 0V Input on All Ranges Ordering Information PART NUMBER Pinouts ICL7139, ICL7149 (PDIP) TOP VIEW POL/AC BP2 BP1 V+ VLOΩ HIΩ DEINT 1 2 3 4 5 F1/ DP2 VREF 6 7 8 9 COMMON 10 INT 1 11 INT V/ Ω 12 TRIPLE POINT 13 CAZ 14...
