201512K • Skyworks Proprietary Information • Products and Product Information Are Subject To Change Without Notice • November 6, 2015
1
DATA SHEET • SKY65404-31: 5 GHz LNA
Table 1. SKY65404-31 Pin Assignments and Signal Descriptions
Pin
1
2
3
4
5
6
V_ENABLE
GND
RF_IN
RF_OUT
GND
VCC
Name
Enable control input
Ground
LNA input
LNA output
Ground
Supply voltage for LNA
Description
Technical Description
The SKY65404-31 is matched at the RF output port (pin 4) and
requires only a shunt capacitor match at the RF input port (pin 3).
The VCC signal (pin 6) requires a simple bypass circuit. An
external resistor on the V_ENABLE signal (pin 1) allows a wide
range of control voltages to be used. Shutdown mode is achieved
by switching the V_ENABLE signal to 0 V.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY65404-31 are provided
in Table 2. The recommended operating conditions are specified
in Table 3 and electrical specifications are provided in Table 4.
Table 5 provides the control logic for the SKY65404-31.
Performance characteristics for the SKY65404-31 are illustrated
in Figures 3 through 9.
Table 2. Absolute Maximum Ratings (Note 1)
Parameter
Supply voltage
DC voltage at control ports
RF input power:
LNA enabled
LNA disabled
Operating temperature
Storage temperature
Electrostatic discharge:
Charged Device Model (CDM), Class 3
Human Body Model (HBM), Class 0
Machine Model (MM), Class A
500
150
50
V
V
V
VCC
V
ENABLE
RF
IN
+1
+10
T
A
T
STG
–40
–40
+85
+125
dBm
dBm
C
C
Symbol
Minimum
0
–0.3
Maximum
5.5
5.0
Units
V
V
Note 1:
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal values. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION:
Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This
device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the
human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all
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