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PS810 数据表(PDF) 39 Page - Microchip Technology |
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PS810 数据表(HTML) 39 Page - Microchip Technology |
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39 / 46 page  © 2006 Microchip Technology Inc. DS21904C-page 39 PS810 TABLE 10-5: AC CHARACTERISTICS: SPS INTERFACE (TA = -20°C TO +85°C; VDD (INTERNAL) = +2.8V ±7%) TABLE 10-6: A/D CONVERTER CHARACTERISTICS (TA = -20°C TO +85°C; VREG (INTERNAL) = +2.8V ±7%) TABLE 10-7: SILICON TIME BASE CHARACTERISTICS (TA = -20°C TO +85°C; VREG (INTERNAL) = +2.8V ±7%) TABLE 10-8: TEMPERATURE MEASUREMENT ACCURACY (TA = -20°C TO +85°C; VREG (INTERNAL) = +2.8V ±7%) Symbol Description Min. Typ. Max. Units Condition tCYCH Cycle Time, Host to Battery 190 — — μs tCYCB Cycle Time, Battery to Host 190 205 250 μs tSTRH Start Time, Host to Battery 5 — — ns tSTRB Start Time, Battery to Host 32 — — μs tDSUH Data Setup Time, Host to Battery — — 50 μs tDSUB Data Setup Time, Battery to Host — — 50 μs tDH Data Hold Time, Host to Battery 90 — — μs tDV Data Valid Time, Battery to Host — — 80 μs tSSUH Stop Setup, Host to Battery — — 145 μs tSSUB Stop Setup Time, Battery to Host — — 145 μs tRSPS Response Time of Battery to Host 190 — 320 μs tB Break Time 190 — — μs tBR Break Recovery Time 40 — — μs Symbol Description Min. Typ. Max. Units Condition ADRES A/D Converter Resolution 9 — 15 bits tCONV A/D Conversion Measurement Time, n-bit + sign — 2n/fA/D —s VADIN A/D Converter Input Voltage Range (internal) -150 — 150 mV Differential (Note 1) 0 — 300 mV Single-Ended EVGAIN Supply Voltage Gain Error — — 0.100 % EVOFFSET Compensated Offset Error — — 0.100 % ETEMP Temperature Gain Error — — 0.100 % EINL Integrated Nonlinearity Error — — 0.004 % Note 1: Voltage is internal at A/D converter inputs. SR, PTAT and NTC are measured directly. VC1 and VCOIN inputs are measured using internal level translation circuitry that scales the input voltage range appropriately for the converter. Symbol Description Min. Typ. Max. Units Condition ETIME Silicon Time Base Error — — 0.4 % Bias Resistor ROSC Tolerance = 1% TL = ±25 ppm Symbol Description Min. Typ. Max. Units Condition TRES Reported Temperature Resolution — 1 — °C TACC Reported Temperature Accuracy -3 — 3 °C VREG = 3.6V, requires calibration in the application TDRIFT Reported Temperature Drift — -2 — °C/V |
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