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BQ27520YZFR-G4 Datasheet(PDF) 6 Page - Texas Instruments |
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BQ27520YZFR-G4 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 19 page  bq27520-G4 SLUSB20 – NOVEMBER 2012 www.ti.com ADC (TEMPERATURE AND CELL MEASUREMENT) CHARACTERISTICS TA = –40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VA1 Input voltage range (TS ) VSS – 2 V 0.125 VA2 Input voltage range (BAT) VSS – 5 V 0.125 VIN(ADC) Input voltage range 0.05 1 V GTEMP Internal temperature sensor –2 mV/°C voltage gain tADC_CONV Conversion time 125 ms Resolution 14 15 bits VOS(ADC) Input offset 1 mV ZADC1 (1) Effective input resistance (TS ) 8 M Ω bq27520-G4 not measuring cell 8 M Ω voltage ZADC2 (1) Effective input resistance (BAT) bq27520-G4 measuring cell voltage 100 k Ω Ilkg(ADC) (1) Input leakage current 0.3 μA (1) Specified by design. Not tested in production. INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS TA = –40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VSR Input voltage range, V(SRN) and VSR = V(SRN) – V(SRP) –0.125 0.125 V V(SRP) tSR_CONV Conversion time Single conversion 1 s Resolution 14 15 bits VOS(SR) Input offset 10 μV INL Integral nonlinearity error ±0.007 ±0.034 % FSR ZIN(SR) (1) Effective input resistance 2.5 M Ω Ilkg(SR) (1) Input leakage current 0.3 μA (1) Specified by design. Not tested in production. 6 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links :bq27520-G4 |
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