AD9272 Analog Devices, AD9272 Datasheet - Page 12
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AD9272
Manufacturer Part Number
AD9272
Description
Octal LNA/VGA/AAF/ADC and Crosspoint Switch
Manufacturer
Analog Devices
Datasheet
1.AD9272.pdf
(44 pages)
Specifications of AD9272
Resolution (bits)
12bit
# Chan
8
Sample Rate
80MSPS
Interface
LVDS,Ser
Analog Input Type
SE-Uni
Ain Range
367 mV p-p,550 mV p-p,733 mV p-p
Adc Architecture
Pipelined
Pkg Type
QFP
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AD9272
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 6. Pin Function Descriptions
Pin No.
0
4, 10, 16, 22, 25, 50,
54, 60, 66, 72
3, 9, 15, 21, 55, 61,
67, 73, 86
26, 47
1
2
5
6
7
8
11
12
13
14
17
18
19
NOTES
1. THE EXPOSED PAD SHOULD BE TIED TO A QUIET ANALOG GROUND.
LOSW-G
LOSW-H
LOSW-F
Name
GND
AVDD1
AVDD2
DRVDD
LI-E
LG-E
LO-F
LOSW-F
LI-F
LG-F
LO-G
LOSW-G
LI-G
LG-G
LO-H
LOSW-H
LI-H
AVDD2
AVDD1
AVDD2
AVDD1
AVDD2
AVDD1
AVDD2
AVDD1
AVDD1
CLK–
CLK+
LO-G
LG-G
LO-H
LG-H
LG-E
LO-F
LG-F
LI-G
LI-H
LI-E
LI-F
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
PIN 1
INDICATOR
Description
Ground (exposed paddle should be tied to a quiet analog ground)
1.8 V Analog Supply
3.0 V Analog Supply
1.8 V Digital Output Driver Supply
LNA Analog Input for Channel E
LNA Ground for Channel E
LNA Analog Inverted Output for Channel F
LNA Analog Switched Output for Channel F
LNA Analog Input for Channel F
LNA Ground for Channel F
LNA Analog Inverted Output for Channel G
LNA Analog Switched Output for Channel G
LNA Analog Input for Channel G
LNA Ground for Channel G
LNA Analog Inverted Output for Channel H
LNA Analog Switched Output for Channel H
LNA Analog Input for Channel H
EXPOSED PADDLE, PIN 0
(BOTTOM OF PACKAGE)
Figure 4. TQFP Pin Configuration
Rev. C | Page 12 of 44
(Not to Scale)
AD9272
TOP VIEW
75
74
73
72
71
70
69
68
67
66
65
63
62
61
60
59
58
57
56
55
54
53
52
51
64
LI-D
LG-D
AVDD2
AVDD1
LO-C
LOSW-C
LI-C
LG-C
AVDD2
AVDD1
LO-B
LOSW-B
LI-B
LG-B
AVDD2
AVDD1
LO-A
LOSW-A
LI-A
LG-A
AVDD2
AVDD1
CSB
SDIO
SCLK