General Description
The ICL7106 and ICL7107 family are high perfor
mance, low power, 3-1/2 digit, dual-slope integrating A/
D converters, with on-chip display drivers. The
ICL7106 is designed for a single battery operated sys
tem, will drive non-multiplexed LCD display directly.
The ICL7107 is designed for a dual power supply sys
tem, will directly drive common anode LED display.
These A/D converters are inherently versatile and ac
curate. They are immune to the high noise environ
ments. The true differential high impedance inputs and
differential reference are very useful for making
ratiometric measurement, such as resistance, strain
gauge and bridge transducers. The built-in auto-zero
feature automatically corrects the system offset with
out any external adjustments.
Display-hold, low-battery flag, integration and de-inte
gration status flags are four additional features which
are available in the 44-pin package, ICL7106CM and
ICL7107CM.
Key Features
l 100µV Resolution
l High Impedance Differential Inputs
l Differential Reference
l Drive LCD (ICL7106) or LED (ICL7107)
Directly
l Four New Convenient Features
(ICL7106/ICL7107)
l Display-Hold
l Low-Battery Indication
l Integration Status Indication
l De-Integration Status Indication
Applications
l Digital multimeter
l pH meter
l Capacitance meter
l Thermometer
l Digital Panel meter
l Photometer
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