LTC1665 데이터 시트보기 (PDF) - Linear Technology

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LTC1665

Micropower Octal 8-Bit and 10-Bit DACs

Linear Technology 

LTC1665/LTC1660

TYPICAL APPLICATIONS

An 8-Channel Bipolar Output Voltage Circuit Configuration

R

R

VOUT A ´

±5V

0.1μF VS+

4

2

1

U2A

LT1491 3

0.1μF 11

VS–

R

R

VOUT B ´

±5V

6

7

U2B

LT1491 5

R

R

VOUT C ´

±5V

9

8

U2C

LT1491 10

R

R

VOUT D ´

14

±5V

13

U2D

LT1491

12

3-WIRE

SERIAL

INTERFACE

GND

1

VOUT A 2

VOUT B

3

VOUT C

4

VOUT D

5

REF

6

CS/LD 7

CLK

8

DAC A

U1

LTC1660

DAC H

DAC B

DAC G

DAC C

DAC F

DAC D

DAC E

CONTROL

LOGIC

ADDRESS

DECODER

SHIFT REGISTER

5V

R

0.1μF

VCC

16

15 VOUT H

R

R

VS+ 0.1μF

2– 4

U3A

1

3 +LT1491

11 0.1μF

VS–

R

VOUT G

14

6–

U3B

7

5 +LT1491

R

R

VOUT F

13

9–

U3C

10 +LT1491

R

R

VOUT E

12

13 –

U3D

14

12 +LT1491

VOUT H ´

±5V

VOUT G´

±5V

VOUT F ´

±5V

VOUT E ´

±5V

CLR

11

10 DOUT

DIN

9

CODE

0

512

1023

VOUT X

– 5V

0V

+4.99V

166560 TA04

14

166560fa

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