LTC1664_1 データシートの表示（PDF） - Linear Technology

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LTC1664_1

Micropower Quad 10-Bit DAC

Linear Technology 

U

OPERATIO

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 DAC STATUS SLEEP STATUS

0

0

0

0

No Change

Wake

0

0

0

1

Load DAC A

Wake

0

0

1

0

Load DAC B

Wake

0

0

1

1

Load DAC C

Wake

0

1

0

0

Load DAC D

Wake

0

1

0

1

Reserved

0

1

1

0

Reserved

0

1

1

1

Reserved

1

0

0

0

Reserved

1

0

0

1

Reserved

1

0

1

0

Reserved

1

0

1

1

Reserved

1

1

0

0

Reserved

1

1

0

1

Reserved

1

1

1

0

No Change

Sleep

1

1

1

1 Load ALL DACs

Wake

with Same

10-Bit Code

9

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