DS1666 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1666

Audio Digital Resistor

Dallas Semiconductor -> Maxim Integrated 

AC TIMING Figure 4

DS1666

NOTES:

1. All Voltages are referenced to ground.

2. Typical Values are for TA=25°C and nominal supply voltages.

3. Resistors input voltages cannot go below VB or exceed VCC by the amounts shown.

4. Maximum current specifications are based on the clock rate of INC input. This specification

represents the current required when changing the wiper position.

5. The DS1666 is available in three end-to-end resistor values. These include 10KΩ for the DS1666-10;

50KΩ for the DS1666-50; and 100KΩ for the DS1666-100.

6. Absolute tolerance is used to compare measured wiper voltage versus expected wiper voltage as

determined by wiper position.

7. -3dB cutoff frequency characteristics for the DS1666 depend on potentiometer total resistance. The

DS1666-10 is 1 MHz; the DS1666-50 is 200 KHz; and the DS1666-100 is 100 KHz.

8. Valid at 25°C only

AC TEST CONDITIONS

Input Pulse Levels

0V to 3V

Input Rise and Fall Times 10 ns

7 of 9

102899

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