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ES235 Datasheet(PDF) 6 Page - Cyrustek corporation |
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ES235 Datasheet(HTML) 6 Page - Cyrustek corporation |
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6 / 37 page  V 2.2 6 2015/12/15 ES235 4000 Counts DMM / Peak Absolute Maximum Ratings Characteristic Rating Supply Voltage (V- to AGND) -4V Analog Input Voltage V- -0.6 to V+ +0.6 V+ V+ ≥ (AGND/DGND+0.5V) AGND/DGND AGND/DGND ≥ (V- -0.5V) Digital Input V- -0.6 to DGND +0.6 Power Dissipation. Flat Package 500mW Operating Temperature -20℃ to 70℃ Storage Temperature -45℃ to 125℃ Electrical Characteristics Parameter Symbol Test Condition Min. Typ. Max Units Power supply V- 2.4 -3.0 3.3 V Operating supply current In DCV mode IDD Normal operation — 1.8 2.5 mA ISS In sleep mode — 5 10 µA Voltage roll-over error REV 10MΩ input resistor — — ±0.1 %F.S 1 Voltage nonlinearity NLV Best case straight line CIL=MPR capacitor — — ±0.1 %F.S 1 Zero input reading 10MΩ input resistor -000 000 +000 counts Band-gap reference voltage VREF 100KΩ resistor between VRH and AGND -1.30 -1.23 -1.16 V Open circuit voltage for 40 0Ω measurement V-=3V — -3.0 — V Open circuit voltage for other Ω measurement -1.19 -1.08 -0.97 V Peak to peak backplane voltage -3.5V ≤ V ≤-2.2V 3.0 3.1 3.2 V Internal pull-high to 0V current Between V- pin and HOLD, RANGE, KEY, FC1-FC5, BKLIT, — 1.2 — µA Between V- pin and RS232 — 11 — µA AC frequency response at 4.000V range ±1% — 40-400 — HZ ±5% — 400-2000 — 3dB frequency for LPF mode F3dB = 1kHz — 1k — kHz F3dB = Full 100k — — kHz Multi-level low battery detector Vt1 LBAT9 vs. V- — 2.15 — V Vt2 — 1.82 — Reference voltage temperature coefficient TCRF -20℃<TA<70℃ — 100 — ppm/℃ Minimum pulse width for Peak Hold feature TPW 4MHz crystal oscillator 1 — — ms Capacitance measurement accuracy 4.0nF – 40mF -2.5 2 — 2.5 2 % -3 — 3 counts Note: 1. Full Scale. 2. When capacitance measurement (Clamp mode) is selected, the additional error 1% should be increased. |
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