AD9726 查看數據表（PDF） - Analog Devices
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AD9726 Datasheet PDF : 24 Pages
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
CLKVDD 1
REXT 2
CLKVDD 3
CLKGND 4
CLK+ 5
CLK– 6
CLKGND 7
DGND 8
DVDD 9
DB15+ 10
DB15– 11
DB14+ 12
DB14– 13
DB13+ 14
DB13– 15
DB12+ 16
DB12– 17
DB11+ 18
DB11– 19
DBVDD 20
PIN 1
AD9726
TOP VIEW
(Not to Scale)
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
60 FSADJ
59 REFIO
58 RESET
57 CSB
56 SCLK (SYNCUPD)
55 SDIO
54 SDO (SYNCALRM)
53 DGND
52 DVDD
51 DB0–
50 DB0+
49 DB1–
48 DB1+
47 DB2–
46 DB2+
45 DB3–
44 DB3+
43 DB4–
42 DB4+
41 DBGND
AD9726
NOTES
1. THE EXPOSED PAD SHOULD BE CONNECTED TO GROUND FOR ELECTRICAL AND THERMAL PURPOSES.
Figure 7. Pin Configuration
Table 7. Pin Function Descriptions
Pin
No. Mnemonic
Description
1
CLKVDD
Clock Supply Voltage
2
REXT
Sets Data Clock Output Drive1
3
CLKVDD
Clock Supply Voltage
4
CLKGND
Clock Supply Common
5
CLK+
DAC Clock Input True
6
CLK−
DAC Clock Input Complement
7
CLKGND
Clock Supply Common
8
DGND
Digital Supply Common
9
DVDD
Digital Supply Voltage
10
DB15+
Data Bit 15 True
11
DB15−
Data Bit 15 Complement
12
DB14+
Data Bit 14 True
13
DB14−
Data Bit 14 Complement
14
DB13+
Data Bit 13 True
15
DB13−
Data Bit 13 Complement
16
DB12+
Data Bit 12 True
17
DB12−
Data Bit 12 Complement
18
DB11+
Data Bit 11 True
19
DB11−
Data Bit 11 Complement
20
DBVDD
Data Bus Supply Voltage
21
DBGND
Data Bus Supply Common
Pin
No. Mnemonic
22
DB10+
23
DB10−
24
DB9+
25
DB9−
26
DB8+
27
DB8−
28
DCLK_OUT+
29
DCLK_OUT−
30
DBVDD
31
DBGND
32
DCLK_IN+
33
DCLK_IN−
34
DB7+
35
DB7−
36
DB6+
37
DB6−
38
DB5+
39
DB5−
40
DBVDD
41
DBGND
42
DB4+
Description
Data Bit 10 True
Data Bit 10 Complement
Data Bit 9 True
Data Bit 9 Complement
Data Bit 8 True
Data Bit 8 Complement
Data Clock Output True
Data Clock Output Complement
Data Bus Supply Voltage
Data Bus Supply Common
Data Clock Input True
Data Clock Input Complement
Data Bit 7 True
Data Bit 7 Complement
Data Bit 6 True
Data Bit 6 Complement
Data Bit 5 True
Data Bit 5 Complement
Data Bus Supply Voltage
Data Bus Supply Common
Data Bit 4 True
Rev. B | Page 9 of 24
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