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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ES51920 датащи(PDF) 1 Page - Cyrustek corporation |
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ES51920 датащи(HTML) 1 Page - Cyrustek corporation |
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1 / 11 page  Ver 2.3 12/03/01 1 ES51919/ES51920 LCR meter chipset Features • 19,999/1,999 counts dual LCD display • Current consumption: Typ. 25mA @ 100kHz • QFP-100L package for ES51919 • SSOP-48L package for ES51920 • 4-wire terminal with guarding measurement • AutoLCR smart check and measurement • Series/Parallel modes are selectable • Ls/Lp/Cs/Cp with D/Q/θ/ESR parameters • Open/Short calibration for AC impedance measurement is allowed: Open condition requirement: Impedance is larger than 9.5MΩ @ 1kHz Short condition requirement: Impedance is less than 1.1Ω • Support DCR mode 200.00Ω~200.0MΩ • Five different test frequency are available: 100/120/1k/10k/100k Hz • Test ac signal level: 0.6mVRMS typ. • 6 range resistor range used • Test range: L: 20.000 µH ~ 2000 H C: 200.00 pF ~ 20.00 mF R: 20.000 Ω ~ 200.0 MΩ • Multi-level battery voltage detector • Support Backlight & Buzzer sound driver • Source resistance depends on range Min: 120Ω typical Max:1MΩ typical Application Handheld LCR bridge meter Description The chipset of ES51919/ES51920 is suitable for LCR bridge application. By using ES51919/ES51920 to implement the LCR bridge meter, the complicated PCB design is not necessary. The ES51920 is the analog frond end chip with resistor switches network to provide different ranges control. It also provides a high performance integrated circuit by the signal with different frequency to measure the complex impedance of the DUT by 5-terminals architecture. The ES51919 is the mix-mode processing chip to handle the calculation of the D/Q/ESR/θ parameter with Ls/Lp/Cs/Cp values. It also provides the user interface and LCD drivers to support dual display operation. Tolerance mode and relative mode are including in the dual display operation. A multiple-level battery detection and auto power-off scheme are built-in to help the improvement of battery life. The high performance of 4.5digits ADC circuit design is implemented in the ES51919/ES51920 chipset. A fully smart measurement for L/C/R is possible. User could measure the DUT impedance simply without change function key at the AUTOLCR smart mode |
Аналогичный номер детали - ES51920 |
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Аналогичное описание - ES51920 |
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