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ADM1192 数据表(PDF) 4 Page - Analog Devices |
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ADM1192 数据表(HTML) 4 Page - Analog Devices |
4 / 20 page ADM1192 Rev. B | Page 4 of 20 Parameter Min Typ Max Unit Conditions SETV PIN Overcurrent Trip Threshold 98 100 102 mV VSETV = 1.8 V 49.5 50 50.5 mV VSETV = 0.9 V Overcurrent Trip Gain, VSETV/(VCC − VSENSE) 18 VSETV = 0.9 V to 1.9 V Input Current, ISETVLEAK −1 +1 μA VSETV = 0.9 V to 1.9 V Glitch Filter, tSETVGLITCH 3 μs TIMER PIN Pull-Up Current (Overcurrent Fault), ITIMERUPOC −46 −62 −78 μA (18.125 × VSENSE) > VSETV, VTIMER = 1 V Pull-Down Current, ITIMERDN 100 μA Normal operation, VTIMER = 1 V Pin Threshold High, VTIMERH 1.275 1.3 1.325 V TIMER rising ALERT PIN Output Low Voltage, VALERTOL 0.05 0.1 V IALERT = −100 μA 1 1.5 mA IALERT = −2 mA Input Current, IALERT −1 +1 μA VALERT = VCC; ALERT asserted ADR PIN Set Address to 00, VADRLOWV 0 0.8 V Low state Set Address to 01, RADRLOWZ 80 120 160 kΩ Resistor to ground state, load pin with specified resistance for 01 decode Set Address to 10, IADRHIGHZ −0.3 +0.3 μA Open state, maximum load allowed on ADR pin for 10 decode Set Address to 11, VADRHIGHV 2 5.5 V High state Input Current for 00 Decode, IADRLOW −40 −25 μA VADR = 0 V to 0.8 V Input Current for 11 Decode, IADRHIGH 3 6 μA VADR = 2.0 V to 5.5 V I2C TIMING Low Level Input Voltage, VIL 0.3 VBUS V High Level Input Voltage, VIH 0.7 VBUS V Low Level Output Voltage on SDA, VOL 0.4 V IOL = 3 mA Output Fall Time on SDA from VIHMIN to VILMAX 20 + 0.1 CBUS 250 ns CBUS = bus capacitance from SDA to GND Maximum Width of Spikes Suppressed by Input Filtering on SDA Pin and SCL Pin 50 250 ns Input Current, II, on SDA/SCL When Not Driving a Logic Low Output −10 +10 μA Input Capacitance on SDA/SCL 5 pF SCL Clock Frequency, fSCL 400 kHz Low Period of the SCL Clock 600 ns High Period of the SCL Clock 1300 ns Setup Time for Repeated Start Condition, tSU;STA 600 ns SDA Output Data Hold Time, tHD;DAT 100 900 ns Setup Time for a Stop Condition, tSU;STO 600 ns Bus Free Time Between a Stop and a Start Condition, tBUF 1300 ns Capacitive Load for Each Bus Line 400 pF 1 Monitoring accuracy is a measure of the error in a code that is read back for a particular voltage/current. This is a combination of amplifier error, reference error, ADC error, and error in ADC full-scale code conversion factor. 2 This is an absolute value to be used when converting ADC codes to current readings; any inaccuracy in this value is factored into absolute current accuracy values (see the specifications for the Current Sense Absolute Accuracy parameter). 3 These are absolute values to be used when converting ADC codes to voltage readings; any inaccuracy in these values is factored into voltage accuracy values (see the specifications for the Voltage Sense Accuracy parameter). 4 Time between the receipt of the command byte and the actual ADC result being placed in the register. |
类似零件编号 - ADM1192 |
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类似说明 - ADM1192 |
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