201084D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • April 8, 2011
1
DATA SHEET • SKY65047-360LF LOW NOISE AMPLIFIER
Table 1. SKY65047-360LF Signal Descriptions
Pin #
1
2
3
4
GND
RF_IN
GND
GND
Name
Ground
RF input
Ground
Ground
Description
Pin #
5
6
7
8
VBIAS
BIAS_R
RF_OUT/BIAS
EN
Name
Description
VCC bias voltage
Bias reference voltage
RF output/VCC bias
Amplifier enable control
Functional Description
The SKY65047-360LF is a single stage, low noise amplifier in a
low-cost
surface mount package. The device operates with a
single +3.3 V power supply connected through an RF choke to the
output pin. Surface mount capacitors provide DC bias decoupling
for VCC.
The bias current is set by a reference voltage transistor and by
resistor R1. Pin 2 (RF_IN) is the RF input and Pin 7 (RF-OUT/BIAS)
is the RF output. The part is externally RF matched and DC
blocked using surface mount components to facilitate operation
over a frequency range of 0.4 to 3.0 GHz. Pins 1, 3, and 4, and the
package backside metal provide the DC and RF ground.
Table 2. SKY65047-360LF Absolute Maximum Ratings
Parameter
Supply voltage
Total supply current
RF input power
Storage temperature
Junction
temperature
Case temperature
Note:
The SKY65047-360LF includes an internal PA enable (pin 8, EN)
for fast RF on/off control. A logic low voltage level disables the PA;
a logic high voltage level enables the PA.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY65047-360LF are
provided in Table
2.
The recommended operating conditions are
specified in Table 3 and electrical specifications are provided in
Table 4.
Typical performance characteristics for the SKY65047-360LF are
illustrated in Figures 3 through 8.
Symbol
V
CC
I
BIAS
P
IN
T
STG
T
J
T
CASE
Minimum
Typical
Maximum
4
20
+20
Units
V
mA
dBm
°C
°C
°C
–65
–40
+125
+125
+85
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 value.
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 times.
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