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LTC2942CDCBTRMPBF Datasheet(PDF) 3 Page - Linear Technology |
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LTC2942CDCBTRMPBF Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LTC2942 3 2942f ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Voltage Measurement ADC Resolution (No Missing Codes) (Note 8) l 14 Bits VFS Full-Scale Voltage l 6V ΔVLSB Quantization Step of 14-Bit Voltage ADC (Note 6) 366.2 μV TUEV Voltage Total Unadjusted Error l 1 1.3 % % Gain Gain Accuracy l 1.3 % VOS Offset Extrapolated from Measurements at 5.5V and 2.7V ±1 ±10 LSB INL Integral Nonlinearity l ±1 ±4 LSB tCONV Conversion Time l 15 ms Temperature Measurement ADC Resolution (No Missing Code) (Note 8) 10 Bits TFS Full-Scale Temperature l 600 K ΔTLSB Quantization Step of 10-Bit Temperature ADC (Note 6) 0.586 K TUET Temperature Total Unadjusted Error VSENSE+ ≥ 2.8V (Note 8) l ±5 ±3 K K tCONV Conversion Time l 15 ms Digital Inputs and Digital Outputs VITH Logic Input Threshold, AL/CC, SCL, SDA l 0.3 • VSENSE+ 0.7 • VSENSE+ V VOL Low Level Output Voltage, AL/CC, SDA I = 3mA l 0.4 V IIN Input Leakage, AL/CC, SCL, SDA VIN = VSENSE+/2 l 1μA CIN Input Capacitance, AL/CC, SCL, SDA (Note 8) l 10 pF tPCC Minimum Charge Complete (CC) Pulse Width 1μs I2C Timing Characteristics fSCL(MAX) Maximum SCL Clock Frequency l 400 900 kHz tBUF(MIN) Bus Free Time Between Stop/Start l 1.3 μs tSU,STA(MIN) Minimum Repeated Start Set-Up Time l 600 ns tHD,STA(MIN) Minimum Hold Time (Repeated) Start Condition l 600 ns tSU,STO(MIN) Minimum Set-Up Time for Stop Condition l 600 ns tSU,DAT(MIN) Minimum Data Setup Time Input l 100 ns |
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