Texas-instruments DAC7741EVM Manual do Utilizador descarregar pdf (Página 12)

EVM Basic Functions

1-4

A block diagram of the EVM is shown below in the Figure 1-1.

Figure 1-1. EVM Block Diagram

DAC Out

(J4)

(J5)

W13

Output

Buffer

Module

W14

W4

W3

External

Reference

Module

(J2)

(J3)

(J6)

(J7)

+15 V

-15 V

TP1

+REF

IN

Ext Ref

Input

REF

IN

REF

out

DAC Module

TP2

(J1)

VCC

VDD

VSS

+15 V

GND

-15 V

GND

VCC

VDD

VSS

REFEN

LDAC

RST

RSTSEL

CS

R/W

DB15 (MSB)

DB1 (LSB)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 27 28

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