Datasheet

AD9709
Rev. B | Page 7 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
48
MODE
47
AVDD
46
I
OUTA1
45
I
OUTB1
44
FSADJ1
43
REFIO
42
GAINCTRL
41
FSADJ2
40
I
OUTB2
39
I
OUTA2
38
ACOM
37
SLEEP
35
NC
NC
NC
NC
NC
34
DB0P2 (LSB)
33
DB1P2
30
DB4P2
31
DB3P2
32
DB2P2
36
NC
29
DB5P2
28
27
25
26
2
3
4
7
DB5P1
6
DB6P1
DB7P1 (MSB)
5
1
8
DB4P1
9
DB3P1
10
DB2P1
12
DB0P1
11
DB1P1
NC = NO CONNECT
13
NC
14
NC
15
DCOM1
16
DVDD1
17
WRT1/IQWRT
18
CLK1/IQCLK
19
CLK2/IQRESET
20
WRT2/IQSEL
21
DCOM2
22
DVDD2
23
DB7P2 (MSB)
24
DB6P2
AD9709
TOP VIEW
(Not to Scale)
0
0606-003
NC
NC
NC
NC
PIN 1
INDICATOR
Figure 3. Pin Configuration
Table 6. Pin Function Descriptions
Pin No. Mnemonic Description
1 to 8 DB7P1 to DB0P1 Data Bit Pins (Port 1)
9 to 14, 31 to 36 NC No Connection
15, 21 DCOM1, DCOM2 Digital Common
16, 22 DVDD1, DVDD2 Digital Supply Voltage
17 WRT1/IQWRT Input Write Signal for Port 1 (IQWRT in Interleaving Mode)
18 CLK1/IQCLK Clock Input for DAC1 (IQCLK in Interleaving Mode)
19 CLK2/IQRESET Clock Input for DAC2 (IQRESET in Interleaving Mode)
20 WRT2/IQSEL Input Write Signal for Port 2 (IQSEL in Interleaving Mode)
23 to 30 DB7P2 to DB0P2 Data Bit Pins (Port 2)
37 SLEEP Power-Down Control Input
38 ACOM Analog Common
39, 40 I
OUTA2
, I
OUTB2
Port 2 Differential DAC Current Outputs
41 FSADJ2 Full-Scale Current Output Adjust for DAC2
42 GAINCTRL Master/Slave Resistor Control Mode.
43 REFIO Reference Input/Output
44 FSADJ1 Full-Scale Current Output Adjust for DAC1
45, 46 I
OUTB1
, I
OUTA1
Port 1 Differential DAC Current Outputs
47 AVDD Analog Supply Voltage
48 MODE Mode Select (1 = dual port, 0 = interleaved)