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ICL7129,pdf,datasheet,Digit LC
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大小:233 |
2010-03-24
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The Intersil ICL7129 is a very high performance 41/2-digit,
analog-to-digital converter that directly drives a multiplexed
liquid crystal display. This single chip CMOS integrated circuit
requires only a few passive components and a reference
to operate. It is ideal for high resolution hand-held digital
multimeter applications.
The performance of the ICL7129 has not been equaled
before in a single chip A/D converter. The successive integration
technique used in the ICL7129 results in accuracy better
than 0.005% of full scale and resolution down to 10mV/count.
The ICL7129, drawing only 1mA from a 9V battery, is well
suited for battery powered instruments. Provision has been
made for the detection and indication of a “LOW/BATTERY”
condition. Autoranging instruments can be made with the
ICL7129 which provides overrange and underrange outputs
and 10:1 range changing input. The ICL7129 instantly checks
for continuity, giving both a visual indication and a logic level
output which can enable an external audible transducer. These
features and the high performance of the ICL7129 make it an
extremely versatile and accurate instrument-on-a-chip.
analog-to-digital converter that directly drives a multiplexed
liquid crystal display. This single chip CMOS integrated circuit
requires only a few passive components and a reference
to operate. It is ideal for high resolution hand-held digital
multimeter applications.
The performance of the ICL7129 has not been equaled
before in a single chip A/D converter. The successive integration
technique used in the ICL7129 results in accuracy better
than 0.005% of full scale and resolution down to 10mV/count.
The ICL7129, drawing only 1mA from a 9V battery, is well
suited for battery powered instruments. Provision has been
made for the detection and indication of a “LOW/BATTERY”
condition. Autoranging instruments can be made with the
ICL7129 which provides overrange and underrange outputs
and 10:1 range changing input. The ICL7129 instantly checks
for continuity, giving both a visual indication and a logic level
output which can enable an external audible transducer. These
features and the high performance of the ICL7129 make it an
extremely versatile and accurate instrument-on-a-chip.
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