HI5660 데이터 시트보기 (PDF) - Renesas Electronics

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HI5660

8-Bit, 125/60MSPS, High Speed D/A Converter

Renesas Electronics 

HI5660

Typical Applications Circuit

DCOM

D7

D6

D5

D4

D3

D2

D1

D0

50

10F

FERRITE

BEAD

+ 10H 0.1F

HI5660

(9-14, 25)

D7 (MSB) (1)

D6 (2)

D5 (3)

D4 (4)

D3 (5)

D2 (6)

D1 (7)

D0 (LSB) (8)

CLK (28)

DCOM (26)

DVDD (27)

(15) SLEEP

(16) REFLO

(17) REFIO

0.1F

DCOM

ACOM

(18) FSADJ

(22) IOUTA

(21) IOUTB

(23) NC

(19) COMP1

(20) ACOM

(24) AVDD

RSET 1.91k

D/A OUT

50

50

D/A OUT

0.1F

FERRITE

BEAD

10H

0.1F

+5V OR +3V (VDD )

+ 10F

Functional Block Diagram

IOUTA IOUTB

(LSB) D0

D1

D2

D3

D4

D5

D6

(MSB) D7

CLK

LATCH

UPPER

31

5-BIT

DECODER

34

LATCH

SWITCH

MATRIX

CASCODE

CURRENT

SOURCE

34

3 LSBs

+

31 MSB

SEGMENTS

INT/EXT

REFERENCE

SELECT

INT/EXT

VOLTAGE

REFERENCE

BIAS

GENERATION

COMP1

AVDD ACOM DVDD DCOM

REFLO

REFIO

FSADJ SLEEP

FN4521 Rev 7.00

July 2004

Page 2 of 9

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