AD9271 Analog Devices, AD9271 Datasheet - Page 11

• Manufacturer Part Number: AD9271
• Description: Octal LNA/VGA/AAF/ADC and Crosspoint Switch
• Manufacturer: Analog Devices

Specifications of AD9271

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 50MSPS
• Interface: LVDS,Ser
• Analog Input Type: SE-Uni
• Ain Range: 0.25 V p-p,0.32 V p-p,0.4 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 6. Pin Function Descriptions
Pin No.
0
3, 4, 9, 10, 15,
16, 21, 22, 25,
50, 54, 55, 60,
61, 66, 67, 72,
73, 92
26, 47
84
1
2
5
6
7
8
11
12
13
14
17
LOSW-
LOSW-H
LOSW-F
Name
GND
AVDD
DRVDD
CWVDD
LI-E
LG-E
LO-F
LOSW-F
LI-F
LG-F
LO-G
LOSW-G
LI-G
LG-G
LO-H
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
CLK+
CLK–
LO-G
LG-G
LO-H
LG-H
LG-E
LO-F
LG-F
LI-G
LI-H
LI-E
LI-F
G
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
1.8 V Digital Output Driver Supply
3.3 V Analog Supply
LNA Analog Input for Channel E
LNA Ground for Channel E
LNA Analog Output for Channel F
LNA Analog Output Complement for Channel F
LNA Analog Input for Channel F
LNA Ground for Channel F
LNA Analog Output for Channel G
LNA Analog Output Complement for Channel G
LNA Analog Input for Channel G
LNA Ground for Channel G
LNA Analog Output for Channel H
EXPOSED PADDLE, PIN 0
(BOTTOM OF PACKAGE)
Figure 4. 100-Lead TQFP Pin Configuration
Rev. B | Page 11 of 60
(Not to Scale)
AD9271
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
AVDD
AVDD
LO-C
LOSW-C
LI-C
LG-C
AVDD
AVDD
LO-B
LOSW-B
LI-B
LG-B
AVDD
AVDD
LO-A
LOSW-A
LI-A
LG-A
AVDD
AVDD
CSB
SDIO
SCLK
AD9271