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ICL7149

Part Number	ICL7149
Manufacturer	Intersil Corporation
Description	(ICL7139 / ICL7149) 33/4 Digit Autoranging Multimeter
Published	Mar 8, 2006
Detailed Description	ICL7139, ICL7149 August 1997 3 3/4 Digit, Autoranging Multimeter Description The Intersil ICL7139 and ICL7149 are high ...
Datasheet	ICL7149 PDF File

Overview

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.
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.
The unit will autorange between the four different ranges.
A manual switch is used to select the 2 high group ranges.
DC current ranges are 4mA and 40mA in the low current group, and 400mA and 4A in the high current group.
Resistance measurements are made on 4 ranges, which are divided into two groups.
The low resistance ranges are 4...

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