Datasheet

REV. B
–6–
AD9753
PIN FUNCTION DESCRIPTIONS
Pin No. Mnemonic Description
1 RESET Internal Clock Divider Reset
2 CLK+ Differential Clock Input
3 CLK– Differential Clock Input
4, 22 DCOM Digital Common
5, 21 DVDD Digital Supply Voltage
6 PLLLOCK Phase-Locked Loop Lock Indicator Output
7–18 P1B11–P1B0 Data Bits DB11 to DB0, Port 1
19–20, 35–36 RESERVED
23–34 P2B11–P2B0 Data Bits DB11 to DB0, Port 2
37, 38 DIV0, DIV1 Control Inputs for PLL and Input Port Selector Mode. See Tables I and II for details.
39 REFIO Reference Input/Output
40 FSADJ Full-Scale Current Output Adjust
41 AVDD Analog Supply Voltage
42 I
OUTB
Differential DAC Current Output
43 I
OUTA
Differential DAC Current Output
44 ACOM Analog Common
45 CLKCOM Clock and Phase-Locked Loop Common
46 LPF Phase-Locked Loop Filter
47 PLLVDD Phase-Locked Loop Supply Voltage
48 CLKVDD Clock Supply Voltage
PIN CONFIGURATION
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44 39 38 3743 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
36
35
34
33
32
31
30
29
28
27
26
25
AD9753
RESERVED
RESERVED
P2B0–LSB
P2B1
P2B2
P2B3
P2B4
P2B5
P2B6
P2B7
P2B8
P2B9
RESET
CLK+
CLK–
DCOM
DVDD
PLLLOCK
MSB–P1B11
P1B10
P1B9
P1B8
P1B7
P1B6
CLKVDD PLLVDD LPF CLKCOM ACOM I
OUTA
I
OUTB
AVDD FSADJ REFIO DIV1 DIV0
P1B5 P1B4 P1B3 P1B2 P1B1
LSB–P1B0
RESERVED RESERVED
DVDD
DCOM
MSB–P2B11
P2B10
RESERVED = NO
USER CONNECTIONS