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參數(shù)資料
| 型號： | ES5116 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3 1/2 DVM with hold and low battery indication |
| 中文描述： | 3 1 / 2數(shù)字電壓表的持有和低電量指示 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 269K |
| 代理商： | ES5116 |
CYRUSTEK CO.
ES5116
3 1/2 DVM with
hold and low battery indication
Features
Guaranteed zero reading with zero input
Low input leakage current (1pA typical)
Internal Reference with low temperature drift
(
C typically)
Low noise (15uVp-p typical)
Direct LCD display driver-no external compo-
nents required
Differential input and voltage reference
Precision null detection with true polarity at zero
Internal clock circuit
No additional active circuits required
Low Battery Indication
Display-Hold
Description
The ES5116 is low powermonolithic CMOS 3 1/2 digit
LCD display A/D converter. It contains the internal
clock, voltage reference,seven-segment decoders, LCD
display drivers and a back plane driver. The improved
internal zener reference voltage circuit gives the analog
common a small temperature coefficient of
typically.
The high accuracy characteristics of the
ES5116 perform very low linearity error and roll-over
error. The high input impedance (
input leakage current (1pA typical) give the ES5116 a
good application in the field of high impedance circuit
measurement. The differential input and reference are
suitable for measuring bridge transducer or ohms by
using ratio-metric method. The dual slope conversion
technique makes the ES5116 a good normal and com-
mon mode rejection ratio. With a suitable oscillator fre-
quency, the ES5116 has a high rejection of 50Hz, 60Hz
and 400Hz line frequency noise. With single power
supply, a few passive components and a LCD display,
ES5116 can be built as high performance panel meter.
Existing Display hold, low battery flag integration and
De-integration are four additional features.
C
) and low
Application
1. Digital panel meters
2. Digital multi-meters
3. Thermometers
4. Capacitance meters
5. pH meters
6. Photo-meters
1
July 21, 2003
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