Datasheet > AD5206_15

AD5206_15

更新时间： 2022-02-26 13:53:33

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	371K
描述
4-/6-Channel Digital Potentiometers

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AD5206_15 数据手册

AD5204/AD5206

PROGRAMMING THE POTENTIOMETER DIVIDER

VOLTAGE OUTPUT OPERATION

The digital potentiometer easily generates an output voltage

proportional to the input voltage applied to a given terminal.

For example, connecting Terminal A to 5 V and Terminal B to

ground produces an output voltage at the wiper that can be any

value from 0 V up to 1 LSB less than +5 V. Each LSB of voltage

is equal to the voltage applied across Terminal A and Terminal B

divided by the 256-position resolution of the potentiometer

divider. The general equation defining the output voltage with

respect to ground for any given input voltage applied to

Terminal A and Terminal B is

CLK

RDAC

LATCH

ADDR

DEC

SDO*

AD5204/AD5206

SER

REG

A4/A6

W4/W6

B4/B6

SDI

RDAC

LATCH

4/6

_W(Dx) = Dx/256 × V_AB+ V_B

(3)

Operation of the digital potentiometer in the divider mode

results in more accurate operation over temperature. In this

mode, the output voltage is dependent on the ratio of the

internal resistors, not the absolute value; therefore, the drift

improves to 15 ppm/°C.

SHDN*

*AD5204 ONLY

DGND

Figure 22. Block Diagram

Rev. C | Page 14 of 20

1...11 12 131415 16 17...20

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