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ES51930 Datasheet(PDF) 1 Page - Cyrustek corporation

Part No. ES51930
Description  10kHz LCR analog front
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Manufacturer  CYRUSTEK [Cyrustek corporation]
Direct Link  http://www.cyrustek.com.tw
Logo CYRUSTEK - Cyrustek corporation

ES51930 Datasheet(HTML) 1 Page - Cyrustek corporation

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Ver 2.1
14/10/23
1
ES51930
10kHz LCR analog front
Features
6000 counts ADC resolution
LQFP-80L package
Dual power supply needed
High performance analog front end for
impedance (Z) measurement
(Taiwan patent no.: 456205)
Support Z/DCR measurement for LCR mode
Built-in simple DMM front end circuit to
support DCV/Freq./Diode/NCV mode
Four different test frequency are available:
100/120/1k/10k Hz for Z measurement
Test signal level: 0.5VRMS / 0.1VRMS typ.
6 ratio resistor range used for LCR mode
Test range:
L: 600.0 µH ~ 200.0 H
C: 600.0 pF ~ 10.00 mF
R: 60.00 Ω ~ 20.00 MΩ
Low battery voltage detector
Support buzzer sound driver with driving
pattern & frequency selectable
Min. source resistance: 120Ω typical
Application
Handheld LCR / DMM meter
Description
The ES51930 is the analog frond end chip
suitable for LCR bridge meter with simple
DMM function. By using ES51930 to
implement the LCR bridge meter, the
complicated PCB design is not necessary. The
ES51930 is built-in resistor switches network
to provide different ranges control. It also
provides a high performance integrated circuit
by the test signal with different frequency to
measure the complex impedance of the device.
The ES51930 includes a flexible serial
interface to external MCU. The MCU could get
the real part and imaginary part of complex
impedance from ES51930 directly and
calculate the D/Q/R/θ parameter with L or C
values easily. The ES51930 also supports
simple DMM function includes DC voltage,
frequency counter, diode forward voltage and
not-contact electric field measurement.


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