Datasheet
AD8331/AD8332/AD8334
Rev. G | Page 10 of 56
PIN 1
INDICATOR
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
COM3
COM4
INH4
LMD4
NC
LON4
LOP4
VIP4
VIN4
VPS4
GAIN34
CLMP34
HILO
VCM4
VCM3
NC
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
COM2
COM1
INH1
LMD1
NC
LON1
LOP1
VIP1
VIN1
VPS1
GAIN12
CLMP12
EN12
EN34
VCM1
VCM2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
INH2
LMD2
NC
LON2
LOP2
VIP2
VIN2
VPS2
VPS3
VIN3
VIP3
LOP3
LON3
NC
LMD3
INH3
COM12
VOH1
VOL1
VPS12
VOL2
VOH2
COM12
MODE
NC
COM34
VOH3
VOL3
VPS34
VOL4
VOH4
COM34
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AD8334
TOP VIEW
(Not to Scale)
03199-006
NOTES
1. THE EXPOSED PADDLE MUST BE
SOLDERED TO THE PCB GROUND
TO ENSURE PROPER HEAT
DISSIPATION, NOISE, AND
MECHANICAL STRENGTH BENEFITS.
2. NC = NO CONNECT.
Figure 6. 64-Lead LFCSP Pin Configuration (AD8334)
Table 6. 64-Lead LFCSP Pin Function Description (AD8334)
Pin No. Mnemonic Description
1 INH2 CH2 LNA Input.
2 LMD2 CH 2 LNA Midsupply Pin; Connect a Capacitor for Midsupply HF Bypass.
3 NC Not Connected.
4 LON2 CH2 LNA Feedback Output (for R
IZ
).
5 LOP2 CH2 LNA Output.
6 VIP2 CH2 VGA Positive Input.
7 VIN2 CH2 VGA Negative Input.
8 VPS2 CH2 LNA Supply 5 V.
9 VPS3 CH3 LNA Supply 5 V.
10 VIN3 CH3 VGA Negative Input.
11 VIP3 CH3 VGA Positive Input.
12 LOP3 CH3 LNA Positive Output.
13 LON3 CH3 LNA Feedback Output (for R
IZ
).
14 NC Not Connected.
15 LMD3 CH 3 LNA Midsupply Pin; Connect a Capacitor for Midsupply HF Bypass.
16 INH3 CH3 LNA Input.
17 COM3 CH3 LNA Ground.
18 COM4 CH4 LNA Ground.
19 INH4 CH4 LNA Input.
20 LMD4 CH 4 LNA Midsupply Pin; Connect a Capacitor for Midsupply HF Bypass.
21 NC Not Connected.
22 LON4 CH4 LNA Feedback Output (for R
IZ
).
23 LOP4 CH4 LNA Positive Output.
24 VIP4 CH4 VGA Positive Input.
25 VIN4 CH4 VGA Negative Input.
26 VPS4 CH4 LNA Supply 5 V.