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ES51930 Datasheet(PDF) 5 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) 5 Page - Cyrustek corporation

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Ver 2.1
14/10/23
5
ES51930
LCR/DMM analog front
1.4 Accuracy (Ae) vs. Impedance (ZDUT) @ Ta =18 ~ 28 ℃ (0.5VRMS only)
Freq. / Z
0.1- 1Ω
1 – 10Ω
10 – 100kΩ 100k – 1MΩ 1M – 20ΜΩ
Remark
DCR
1.5%+5d
0.7%+3d
0.4%+2d
0.7%+3d
1.5%+3d
D < 0.1
100/120Hz 1.5%+5d
0.7%+3d
0.4%+2d
0.7%+3d
1.5%+3d
1kHz
1.5%+5d
0.7%+3d
0.4%+2d
0.7%+3d
1.5%+3d
10kHz
1.5%+5d
0.7%+3d
0.4%+2d
0.7%+3d
3.0%+3d
Note:
All accuracy is guaranteed by proper ratio resistor calibration and open/short
calibration. All accuracy is guaranteed for 10cm distance from VDUTH/VDUTL
pins of ES51930.
If test signal amplitude is selected for 0.1VRMS, the accuracy should increased by
50%.
If D > 0.1, the accuracy should be multiplied by
2
1 D
+
ZC = 1/2πf C if D << 0.1 in capacitance mode
ZL = 2πf L
if D << 0.1 in inductance mode
Ae = impedance (Z) accuracy
Definition: Q =
D
1
Rp = ESR (or Rs) × (1+
2
1
D )
1. D value accuracy De = + Ae × (1+D)
2. ESR accuracy Re= + ZM × Ae (Ω)
ie., ZM = impedance calculated by
fC
π
2
1
or 2πf L
3. Phase angle θ accuracy θe= + (180/π) × Ae (deg)
4-terminals measurement with guard shielding
The DUT test leads are implemented by four terminals measurement. For achieve the
accuracy shown above, it is necessary to do open/short calibration process before
measurement. The test leads for DUT should be as short as possible. If longer extended
cable or probe is used, the guard shielding is necessary.


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