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LTC4260CSW Datasheet(PDF) 4 Page - Linear Technology |
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LTC4260CSW Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  LTC4260 4 4260f ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 48V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS AC Parameters tPLH(GATE) Input High (ON) to GATE High CGATE = 1pF ● 13 µs Propagation Delay tPHL(GATE) Input High (OV, BD_PRST), Input Low CGATE = 1pF ● 0.5 3 µs (ON, UV) to GATE Low Propagation Delay tPHL(SENSE) (VDD – SENSE) High to GATE Low VDD – SENSE = 200mV, CGATE = 10nF ● 0.4 1 µs ADC Resolution (No Missing Codes) (Note 4) ● 8 Bits Integral Nonlinearity VDD – SENSE (Note 5) ● –2 0.5 2 LSB SOURCE ● –1.25 0.2 1.25 LSB ADIN ● –1.25 0.2 1.25 LSB Offset Error VDD – SENSE ● –1.5 1.5 LSB SOURCE ● –1 1 LSB ADIN ● –1 1 LSB 1LSB Step Size VDD – SENSE (Note 6) ● 292 300 308 µV SOURCE ● 392 400 408 mV ADIN ● 9.8 10 10.2 mV Full-Scale Voltage VDD – SENSE (Note 7) ● 74.9 76.8 78.7 mV SOURCE ● 100.4 102.4 104.4 V ADIN ● 2.51 2.560 2.61 V Conversion Rate 10 Hz I2C Interface VADR(H) ADR0 to ADR2 Input High Voltage ● INTVCC INTVCC INTVCC V Threshold – 0.6 – 0.45 – 0.25 VADR(L) ADR0 to ADR2 Input Low Voltage Threshold ● 0.25 0.45 0.65 V IADR(IN) ADR0 to ADR2 Input Current ADR0 to ADR2 = 0V, 5.5V ● –80 80 µA VSDAI,SCL(TH) SDAI, SCL Input Threshold ● 1.6 1.8 2 V ISDAI,SCL(IN) SDAI, SCL Input Current SCL, SDAI = 5V ● 0 ±1 µA VSDAO(OL) SDAO Output Low Voltage ISDAO = 5mA ● 0.2 0.4 V VALERT(OL) ALERT Output Low Voltage IALERT = 5mA ● 0.2 0.4 V ISDAO,ALERT(IN) SDAO, ALERT Input Current SDAO, ALERT = 5V ● 0 ±1 µA I2C Interface Timing (Note 4) fSCL(MAX) Maximum SCL Clock Frequency Operates with fSCL ≤ fSCL(MAX) 400 kHz tBUF(MIN) Minimum Bus Free Time Between 0.12 1.3 µs Stop/Start Condition tSU,STA(MIN) Minimum Repeated Start Condition 30 600 ns Set-Up Time tHD,STA(MIN) Minimum Hold Time After (Repeated) Start 140 600 ns Condition tSU,STO(MIN) Minimum Stop Condition Set-Up Time 30 600 ns tSU,DAT(MIN) Minimum Data Set-Up Time Input 30 100 ns tHD,DATI(MIN) Minimum Data Hold Time Input –100 0 ns tHD,DATO(MIN) Minimum Data Hold Time Output 300 500 900 ns tSP(MAX) Maximum Suppressed Spike Pulse Width 50 110 250 ns CX SCL, SDA Input Capacitance SDAI Tied to SDAO 5 10 pF Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: All currents into pins are positive, all voltages are referenced to GND unless otherwise specified. |
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