LTC1667C 查看數據表（PDF） - Linear Technology

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LTC1667C

12-Bit, 14-Bit, 16-Bit, 50Msps DACs

Linear Technology 

LTC1666/LTC1667/LTC1668

BLOCK DIAGRA

VREF

15 REFOUT

0.1µF

RSET

2k

16 IREFIN

2.5V

REFERENCE

IFS/8

LTC1666

5V

25

VDD

0.1µF

ATTENUATOR

LADDER

LADCOM 18

IOUT A 20

IOUT B 19

52.3Ω

52.3Ω

+ VOUT

–

1VP-P

DIFFERENTIAL

LSB SWITCHES

SEGMENTED SWITCHES

FOR DB15–DB12

+

IINT

–

CURRENT SOURCE ARRAY

•••

•••

0.1µF

21 COMP1

22

COMP2

0.1µF

VSS

23

AGND DGND

17

24

0.1µF

–5V

INPUT LATCHES

CLK

26

CLOCK

INPUT

DB11 • • • DB0

27

10

•••

12-BIT

DATA INPUT

1666 BD

VREF

15 REFOUT

0.1µF

RSET

2k

16 IREFIN

2.5V

REFERENCE

IFS/8

LTC1667

5V

25

VDD

0.1µF

ATTENUATOR

LADDER

LADCOM 18

IOUT A 20

IOUT B 19

52.3Ω

52.3Ω

+ VOUT

–

1VP-P

DIFFERENTIAL

LSB SWITCHES

SEGMENTED SWITCHES

FOR DB15–DB12

+

IINT

–

CURRENT SOURCE ARRAY

•••

•••

0.1µF

21 COMP1

22

COMP2

0.1µF

VSS

23

AGND DGND

17 24

0.1µF

–5V

INPUT LATCHES

CLK

26

CLOCK

INPUT

DB13 • • • DB0

27

12

•••

14-BIT

DATA INPUT

1667 BD

9

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