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LTC6802-2 Datasheet(PDF) 4 Page - Linear Technology |
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LTC6802-2 Datasheet(HTML) 4 Page - Linear Technology |
4 / 34 page LTC6802-2 68022fa Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The ADC specifications are guaranteed by the total measurement error (VERR) specification. Note 3: Due to the contact resistance of the production tester, this specification is tested to relaxed limits. The 20Ω limit is guaranteed by design. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Discharge Switch On-Resistance VCELL > 3V (Note 3) l 10 20 Ω Temperature Range l –40 85 °C Thermal Shutdown Temperature 145 °C Thermal Shutdown Hysteresis 5 °C Timing Specifications tCYCLE Measurement Cycle Time Time Required to Measure 11 or 12 Cells Time Required to Measure Up to 10 Cells Time Required to Measure 1 Cell l l 11 9.2 1 13 11 1.2 16 13.5 1.5 ms ms ms t1 SDI Valid to SCKI Rising Setup l 10 ns t2 SDI Valid to SCKI Rising Hold l 250 ns t3 SCKI Low l 400 ns t4 SCKI High l 400 ns t5 CSBI Pulse Width l 400 ns t6 SCKI Rising to CSBI Rising l 100 ns t7 CSBI Falling to SCKI Rising l 100 ns t8 SCKI Falling to SDO Valid l 250 ns Clock Frequency l 1 MHz Watchdog Timer Time-Out Period l 1 2.5 s Digital I/O Specifications VIH Digital Voltage Input High l 2 V VIL Digital Voltage Input Low l 0.8 V VOL Digital Voltage Output Low Sinking 500µA l 0.3 V elecTrical characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 43.2V, V– = 0V, unless otherwise noted. Note 4: VCELL refers to the voltage applied across the following pin combinations: Cn to Cn – 1 for n = 2 to 12, C1 to V–. VTEMP refers to the voltage applied from VTEMP1 or VTEMP2 to V– Note 5: These absolute maximum ratings apply provided that the voltage between inputs do not exceed their absolute maximum ratings. |
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