參數(shù)資料
型號: AD9767AST
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: 14-Bit, 125 MSPS Dual TxDAC+ D/A Converter
中文描述: DUAL, PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 14-BIT DAC, PQFP48
封裝: MS-026BBC, LQFP-48
文件頁數(shù): 5/27頁
文件大?。?/td> 469K
代理商: AD9767AST
REV. B
AD9767
–5–
PIN FUNCTION DESCRIPTIONS
Pin No.
Name
Description
1–14
15, 21
16, 22
17
18
19
20
23–36
37
38
39, 40
41
42
43
44
45, 46
47
48
PORT1
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 DB13–P1 to DB0–P1.
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 DB13–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
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 37
43 42 41 40
PIN 1
TOP VIEW
(Not to Scale)
36
35
34
33
32
31
30
29
28
27
26
25
AD9767
DB0-P2
DB1-P2
DB2-P2
DB3-P2
DB4-P2
DB5-P2
DB6-P2
DB7-P2
DB8-P2
DB9-P2
DB10-P2
DB11-P2
DB13-P1 (MSB)
DB12-P1
DB11-P1
DB10-P1
DB9-P1
DB8-P1
DB7-P1
DB6-P1
DB5-P1
DB4-P1
DB3-P1
DB2-P1
M
A
I
O
I
O
F
R
G
F
I
O
I
O
A
S
D
D
D
D
W
C
C
W
D
D
D
D
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