Datasheet

AD9277
Rev. 0 | Page 11 of 48
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
LI-F
LG-F
LO-F
LI-G
LG-G
LO-G
AVDD1
CLK–
NOTES
1. THE EXPOSED PAD SHOULD BE TIED TO A QUIET ANALOG GROUND.
CLK+
AVDD2
AVDD1
AVDD1
AVDD1
LI-E
LG-E
AVDD2
AVDD2
LI-H
LG-H
LO-H
AVDD2
AVDD1
LOSW-F
LOSW-G
LOSW-H
08181-004
AD9277
TOP VIEW
(Not to Scale)
EXPOSED PADDLE, PIN 0
(BOTTOM OF PACKAGE)
PIN 1
INDICATOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
100
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
AVDD1
74
75
PDWN
73
STBY
72
DRVDD
71
DOUTA+
70
DOUTA–
69
DOUTB+
68
DOUTB–
67
DOUTC+
66
DOUTC–
65
DOUTD+
64
DOUTD–
63
FCO+
62
FCO–
61
DCO+
60
DCO–
59
DOUTE+
58
DOUTE–
57
DOUTF+
56
DOUTF–
55
DOUTG+
54
DOUTG–
53
DOUTH+
52
DOUTH–
51
DRVDD
AVDD1
LI-A
LG-A
LOSW-A
LI-B
LG-B
LO-B
AVDD1
SDIO
SCLK
CSB
AVDD2
AVDD2
LI-C
LG-C
LO-C
AVDD1
AVDD2
LI-D
LG-D
AVDD1
AVDD2
LO-A
LOSW-B
LOSW-C
LOSW-
D
LO-D GPO0 GPO1 GPO2 GPO3 RESET 4LO– 4LO+ AVDD2 AVDD2 GAIN– GAIN+ VREF RBIAS CWI+ CWQ– AVDD2 CWI– CWQ+ GND GND GND LO-E LOSW-E
Figure 4. Pin Configuration
Table 6. Pin Function Descriptions
Pin No. Name Description
0, 96, 97, 98 GND Ground. Exposed paddle should be tied to a quiet analog ground.
1 LI-E LNA Analog Input for Channel E.
2 LG-E LNA Ground for Channel E.
3, 9, 15, 21, 55, 61,
67, 73, 85, 86, 91
AVDD2 3.0 V Analog Supply.
4, 10, 16, 22, 25, 50,
54, 60, 66, 72
AVDD1 1.8 V Analog Supply.
5 LO-F LNA Analog Inverted Output for Channel F.
6 LOSW-F LNA Analog Switched Output for Channel F.
7 LI-F LNA Analog Input for Channel F.
8 LG-F LNA Ground for Channel F.
11 LO-G LNA Analog Inverted Output for Channel G.
12 LOSW-G LNA Analog Switched Output for Channel G.
13 LI-G LNA Analog Input for Channel G.
14 LG-G LNA Ground for Channel G.
17 LO-H LNA Analog Inverted Output for Channel H.
18 LOSW-H LNA Analog Switched Output for Channel H.
19 LI-H LNA Analog Input for Channel H.
20 LG-H LNA Ground for Channel H.