AD9755 データシートの表示（PDF） - Analog Devices

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AD9755

14-Bit, 300 MSPS High Speed TxDAC+® D/A Converter

Analog Devices 

AD9755

PIN CONFIGURATION

48 47 46 45 44 43 42 41 40 39 38 37

RESET 1

CLK+ 2

CLK– 3

DCOM 4

DVDD 5

PLLLOCK 6

MSB–P1B13 7

P1B12 8

P1B11 9

P1B10 10

P1B9 11

P1B8 12

PIN 1

IDENTIFIER

AD9755

TOP VIEW

(Not to Scale)

36 P2B0–LSB

35 P2B1

34 P2B2

33 P2B3

32 P2B4

31 P2B5

30 P2B6

29 P2B7

28 P2B8

27 P2B9

26 P2B10

25 P2B11

13 14 15 16 17 18 19 20 21 22 23 24

Pin No.

1

2

3

4, 22

5, 21

6

7–20

23–36

37, 38

39

40

41

42

43

44

45

46

47

48

Mnemonic

RESET

CLK+

CLK–

DCOM

DVDD

PLLLOCK

P1B13–P1B0

P2B13–P2B0

DIV0, DIV1

REFIO

FSADJ

AVDD

IOUTB

IOUTA

ACOM

CLKCOM

LPF

PLLVDD

CLKVDD

PIN FUNCTION DESCRIPTIONS

Description

Internal Clock Divider Reset

Differential Clock Input

Differential Clock Input

Digital Common

Digital Supply Voltage

Phase-Locked Loop Lock Indicator Output

Data Bits P1B13 to P1B0, Port 1

Data Bits P2B13 to P2B0, Port 2

Control Inputs for PLL and Input Port Selector Mode; see Tables I and II for details.

Reference Input/Output

Full-Scale Current Output Adjust

Analog Supply Voltage

Differential DAC Current Output

Differential DAC Current Output

Analog Common

Clock and Phase-Locked Loop Common

Phase-Locked Loop Filter

Phase-Locked Loop Supply Voltage

Clock Supply Voltage

–6–

REV. B

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