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AD9765AST データシート(PDF) 5 Page - Analog Devices

部品番号 AD9765AST
部品情報  12-Bit, 125 MSPS Dual TxDAC D/A Converter
PDF  28 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

AD9765AST データシート(HTML) 5 Page - Analog Devices

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REV. B
AD9765
–5–
PIN FUNCTION DESCRIPTIONS
Pin No.
Name
Description
1–12
PORT1
Data Bits DB11–P1 to DB0–P1.
13, 14, 35, 36
NC
No Connect.
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).
23–34
PORT2
Data Bits DB11–P2 to DB0–P2.
37
SLEEP
Power-Down Control Input.
38
ACOM
Analog Common.
39, 40
IOUTA2, IOUTB2
“PORT 2” differential DAC current outputs.
41
FSADJ2
Full-scale current output adjust for DAC2.
42
GAINCTRL
GAINCTRL Mode (0 = 2 resistor, 1 = 1 resistor.)
43
REFIO
Reference Input/Output.
44
FSADJ1
Full-scale current output adjust for DAC1.
45, 46
IOUTB1, IOUTA1
“PORT 1” differential DAC current outputs.
47
AVDD
Analog Supply Voltage.
48
MODE
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
IDENTIFIER
TOP VIEW
(Not to Scale)
36
35
34
33
32
31
30
29
28
27
26
25
NC = NO CONNECT
AD9765
NC
NC
DB0-P2
DB1-P2
DB2-P2
DB3-P2
DB4-P2
DB5-P2
DB6-P2
DB7-P2
DB8-P2
DB9-P2
DB11-P1 (MSB)
DB10-P1
DB9-P1
DB8-P1
DB7-P1
DB6-P1
DB5-P1
DB4-P1
DB3-P1
DB2-P1
DB1-P1
DB0-P1



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