AD9765(RevB) Ver la hoja de datos (PDF) - Analog Devices

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componentes Descripción

Fabricante

AD9765
(Rev.:RevB)

12-Bit, 125 MSPS Dual TxDAC+® D/A Converter

Analog Devices 

Pin No.

1–12

13, 14, 35, 36

15, 21

16, 22

17

18

19

20

23–34

37

38

39, 40

41

42

43

44

45, 46

47

48

AD9765

PIN FUNCTION DESCRIPTIONS

Name

PORT1

NC

DCOM1, DCOM2

DVDD1, DVDD2

WRT1/IQWRT

CLK1/IQCLK

CLK2/IQRESET

WRT2/IQSEL

PORT2

SLEEP

ACOM

IOUTA2, IOUTB2

FSADJ2

GAINCTRL

REFIO

FSADJ1

IOUTB1, IOUTA1

AVDD

MODE

Description

Data Bits DB11–P1 to DB0–P1.

No Connect.

Digital Common.

Digital Supply Voltage.

Input write signal for PORT 1 (IQWRT in interleaving mode).

Clock input for DAC1 (IQCLK in interleaving mode).

Clock input for DAC2 (IQRESET in interleaving mode).

Input write signal for PORT 2 (IQSEL in interleaving mode).

Data Bits DB11–P2 to DB0–P2.

Power-Down Control Input.

Analog Common.

“PORT 2” differential DAC current outputs.

Full-scale current output adjust for DAC2.

GAINCTRL Mode (0 = 2 resistor, 1 = 1 resistor.)

Reference Input/Output.

Full-scale current output adjust for DAC1.

“PORT 1” differential DAC current outputs.

Analog Supply Voltage.

Mode Select (1 = Dual Port, 0 = Interleaved).

PIN CONFIGURATION

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

DB11-P1 (MSB) 1

DB10-P1 2

DB9-P1 3

DB8-P1 4

DB7-P1 5

DB6-P1 6

DB5-P1 7

DB4-P1 8

DB3-P1 9

DB2-P1 10

DB1-P1 11

DB0-P1 12

PIN 1

IDENTIFIER

AD9765

TOP VIEW

(Not to Scale)

36 NC

35 NC

34 DB0-P2

33 DB1-P2

32 DB2-P2

31 DB3-P2

30 DB4-P2

29 DB5-P2

28 DB6-P2

27 DB7-P2

26 DB8-P2

25 DB9-P2

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

NC = NO CONNECT

REV. B

–5–

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