參數(shù)資料
型號: AD9709
廠商: Analog Devices, Inc.
英文描述: 8-Bit, 125 MSPS Dual TxDAC D/A Converter
中文描述: 8位,125 MSPS的TxDAC系列雙D / A轉換
文件頁數(shù): 5/27頁
文件大?。?/td> 466K
代理商: AD9709
REV. 0
AD9709
–5–
PIN FUNCTION DESCRIPTIONS
Pin No.
Name
Description
1–8
9–14, 31–36
15, 21
16, 22
17
18
19
20
23–30
37
38
39, 40
41
42
43
44
45, 46
47
48
PORT1
NC
DCOM1, DCOM2
DVDD1, DVDD2
WRT1/IQWRT
CLK1/IQCLK
CLK2/IQRESET
WRT2/IQSEL
PORT2
SLEEP
ACOM
I
OUTA2
, I
OUTB2
FSADJ2
GAINCTRL
REFIO
FSADJ1
I
OUTB1
, I
OUTA1
AVDD
MODE
Data Bits DB7–P1 to DB0–P1
No Connection
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 DB7–P2 to DB0–P2
Power-Down Control Input
Analog Common
“PORT 2” Differential DAC Current Outputs
Full-Scale Current Output Adjust for DAC2
Master/Slave Resistor Control Mode
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
NC
NC
NC
NC
DB0-P1
DB1-P1
DB2-P1
DB3-P1
DB4-P1
DB5-P1
DB6-P1
DB7-P1(MSB)
NC
NC
NC
NC
NC
NC
DB1-P2
DB2-P2
DB3-P2
DB4-P2
DB5-P2
DB0-P2
AD9709
DUAL 8-BIT DAC
48-PIN LQFP
12
11
10
9
8
7
6
5
4
3
2
1
26
27
28
29
30
31
32
33
34
35
36
25
24
23
22
21
20
19
18
17
16
15
14
13
37
38
39
40
41
42
43
44
45
46
47
48
PIN 1
M
A
I
O
I
O
F
R
G
F
I
O
I
O
A
S
N
N
D
D
W
C
C
W
D
D
D
D
NC = NO CONNECT
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