LTC1664IN-TRPBF View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1664IN-TRPBF

Micropower Quad 10-Bit DAC

Linear Technology 

Operation

LTC1664

SCK

1

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

DIN

CS/LD

(ENABLE SCK)

A3 A2 A1 A0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 X1 X0

ADDRESS/CONTROL

INPUT CODE

INPUT WORD W0

DON’T CARE

(UPDATE OUTPUT)

DOUT

A3 A2 A1 A0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 X1 X0 A3

INPUT WORD W–1

Figure 2. LTC1664 Register Loading Sequence

INPUT WORD W0

1664 F02

Table 2. DAC Address/Control Functions

ADDRESS/CONTROL

A3

A2

A1

A0

0

0

0

0

0

0

0

1

0

0

1

0

0

0

1

1

0

1

0

0

0

1

0

1

0

1

1

0

0

1

1

1

1

0

0

0

1

0

0

1

1

0

1

0

1

0

1

1

1

1

0

0

1

1

0

1

1

1

1

0

1

1

1

1

DAC STATUS SLEEP STATUS

No Change

Wake

Load DAC A

Wake

Load DAC B

Wake

Load DAC C

Wake

Load DAC D

Wake

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

No Change

Sleep

Load ALL DACs

with Same

10-Bit Code

Wake

1664fa

9

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