Moteur de recherche de fiches techniques de composants électroniques |
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ES51921 Fiches technique(PDF) 5 Page - Cyrustek corporation |
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ES51921 Fiches technique(HTML) 5 Page - Cyrustek corporation |
5 / 35 page Ver. 3.2 10/06/23 5 ES51921 22,000 Counts Auto DMM 121 FC2 I Switch 2 for function selection. 122 FC1 I Switch 1 for function selection. 123 SDO O RS232 compliant serial data output. 124 C+ O Positive capacitor connection for on-chip DC-DC converter. 125 C- O Negative capacitor connection for on-chip DC-DC converter. 126 V- P Negative supply voltage. Connecting to 3V battery negative terminal. 127 V- P Negative supply voltage. Connecting to 3V battery negative terminal. 128 LBAT9 I Low battery configuration. If 3V battery is used, connect it to AGND. The default low-battery threshold voltage is –2.3V. If 9V battery is Used, the low battery annunciator is displayed when the voltage of this pin is less than VRH (-1.2V) 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 0℃ to 70℃ Storage Temperature -25℃ to 125℃ Electrical Characteristics TA=25℃, V- = -3V Parameter Symbol Test Condition Min. Typ. Max Units Power supply V- -3.5 -3.0 -2.5 V IDD Normal operation — 2.0 2.5 mA Operating supply current In DCV mode ISS In sleep mode — 2.5 5 µA Voltage roll-over error REV 10MΩ input resistor — — ±0.03 %F.S1 Voltage nonlinearity NLV Best case straight line — — ±0.03 %F.S Input Leakage -10 1 10 PA Low battery flag voltage V- to AGND -2.5 -2.3 -2.1 V Zero input reading 10MΩ input resistor -000 000 +000 counts Band-gap reference voltage VREF 100KΩ resistor between VRH and AGND -1.3 -1.2 -1.1 V Peak to peak backplane drive voltage -3.5V ≤ V ≤-2.2V 3.0 3.1 3.2 V Counter time base period fOSC = 4MHZ — 1 — sec Between V- pin and HOLD, RANGE, KEY, FC1, FC2, FC3, FC4, FC5, BKLIT,MAXMIN — 1.2 — Internal pull-high to 0V current Between V- pin and RS232 — 11 — µA Open circuit voltage for 220Ω measurement 220Ω mode — -3.0 — V |
Numéro de pièce similaire - ES51921_10 |
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Description similaire - ES51921_10 |
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