DS2890V 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS2890V

1-Wire® Digital Potentiometer

Dallas Semiconductor -> Maxim Integrated 

Figure 8. TYPICAL WIPER RESISTANCE VS WIPER VOLTAGE,

CHARGE PUMP OFF

100000

DS2890

10000

1000

3V, 25C

3V, 85C

5V, 25C

5v, 85C

100

0.1

5.5

11

Wiper Voltage (V)

TO-92 PACKAGE OPERATION

When packaged in a 3-pin TO-92, the DS2890 takes on a configuration as shown in Figure 9. As shown,

the RL and Wiper terminals and are connected to GND and the resistance between the RH terminal and

GND is varied. Note that the DS2890 charge pump must be turned off (default state) for this

configuration. (This is a power consumption issue as described in the section “POTENTIOMETER

WIPER RESISTANCE AND CHARGE PUMP CONSIDERATIONS”.)

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