Texas Instruments DAC7741EVM manual 5. Jumper Setting Function Continued

Models: DAC7741EVM

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Table 3-5. Jumper Setting Function (Continued)

Jumper Setting

Table 3-5. Jumper Setting Function (Continued)

Reference

Jumper

Function

Setting

 

 

 

 

 

Disconnects AGND from DGND.

W11

 

 

Connects AGND and DGND together.

 

 

 

 

1

3

Positive supply rail of op-amp is powered by +15V.

W12

1

3

Positive supply rail of op-amp is powered by VCC.

 

 

2

4 6

Routes the raw output of the DAC7741 to J4-2 and J5 output terminals.

 

1

3 5

 

 

2

4 6

Routes the output of U2 to J4-2 and J5 output terminals. Used for unipolar and bipolar

W13

 

 

modes of operation.

 

 

 

 

1

3 5

 

 

2

4 6

Routes the output of U2 to J4-2 and J5 output terminals. Used for capacitive load

 

 

 

driving.

1 3 5

Disconnects exREFin from the negative input terminal of U2.

W14

 

 

Allows exREFin to be routed to the negative input terminal of U2 used for

 

 

 

 

 

 

 

 

 

 

experimentation purposes only.

 

 

 

 

 

 

 

 

 

 

 

W15

 

 

 

 

Disconnect the negative terminal of U2 to AGND and disable 2x gain.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configures U2 for a 2gain output.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RSTSEL pin is pulled high and configures the DAC to midscale when POR or reset is

 

 

 

 

W16

 

 

 

 

initiated.

 

 

 

 

 

 

 

 

 

 

 

RSTSEL pin is pulled low and configures the DAC to minscale when POR or reset is

 

 

 

 

 

 

 

 

 

 

initiated.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pin is pulled high and configures the DAC not to reset (default state).

 

 

 

 

 

RST

 

 

 

 

 

 

 

W17

RST pin is pulled low and holds the DAC to reset state.

Legend:

Indicates the corresponding pins that are shorted or closed.

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Texas Instruments DAC7741EVM manual 5. Jumper Setting Function Continued