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DS1845E-010R Datasheet(PDF) 10 Page - Dallas Semiconductor |
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DS1845E-010R Datasheet(HTML) 10 Page - Dallas Semiconductor |
10 / 13 page DS1845 10 of 13 DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC =2.7V to 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Supply Current Active ICC 0.5 mA 16,17 Input Leakage ILI -1 +1 µ A Wiper Resistance 3V 5V RW 500 250 1000 500 Ω Wiper Current IW 1mA Input Logic 1 VIH 0.7 VCC VCC+0.5 V 1,2 Input Logic 0 VIL GND-0.5 0.3 VCC V 1,2 Input Logic levels A0, A1, A2 Input Logic 1 Input Logic 0 0.7 VCC GND-0.5 VCC+0.5 0.3 VCC V4 Input Current each I/O pin 0.4<VI/O <0.9VDD -10 +10 µ A Standby Current 3V 5V Istby 15 25 40 µ A 5 VOL1 3 mA sink current 0.0 0.4 V Low Level Output Voltage (SDA) VOL2 6 mA sink current 0.0 0.6 V I/O Capacitance CI/O 10 pF Pulse width of spikes which must be suppressed by the input filter tSP Fast Mode 0 50 ns WP Internal Pull Up Resistance, Rwp Rwp 40 65 100 k Ω ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C; VCC=2.7V to 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES End-to-End Resistance -20 +20 % 19 Absolute Linearity -0.5 +0.5 LSB 13 Relative Linearity -0.25 +0.25 LSB 14 -3 dB Cutoff frequency fcutoff kHz 12 Temperature Coefficient 750 ppm/°C 15 |
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