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RMPA2458_059 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. RMPA2458_059
Description  2.4-2.5 GHz InGaP HBT Low Current Linear Power Amplifier
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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RMPA2458_059 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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©2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
September 2005
RMPA2458 Rev. E
RMPA2458
2.4–2.5 GHz InGaP HBT Low Current Linear Power Amplifier
Features
■ 31.5dB small signal gain
■ 27dBm output power @ 1dB compression
■ 103mA total current at 19dBm modulated power out
■ 2.5% EVM at 19 dBm modulated power out
■ 3.3V collector supply operation
■ 2.9V mirror supply operation
■ Power saving shutdown options (bias control)
■ Integrated power detector with 20dB dynamic range
■ Lead-free RoHS compliant 3 x 3 x 0.9mm leadless package
■ Internally matched to 50 Ohms and DC blocked RF input/
output
■ Optimized for use in 802.11b/g applications
General Description
The
RMPA2458
power
amplifier
is
designed
for
high
performance WLAN applications in the 2.4–2.5 GHz frequency
band. The low profile 16 pin 3 x 3 x 0.9 mm package with internal
matching on both input and output to 50 Ohms minimizes next
level PCB space and allows for simplified integration. The on-
chip detector provides power sensing capability while the bias
control provides power saving shutdown capability. The PA’s
industry leading low power consumption and excellent linearity
are achieved using our InGaP Heterojunction Bipolar Transistor
(HBT) technology.
Device
Electrical Characteristics1 802.11g OFDM Modulation
(176 µs burst time, 100 µs idle time) 54 Mbps Data Rate, 16.7 MHz Bandwidth
Notes:
1. VC1, VC2, VC3 = 3.3V, VM123 = 2.9V, TA = 25°C, PA is constantly biased, 50Ω system.
2. Percentage includes system noise floor of EVM = 0.8%.
3. POUT measured at PIN corresponding to power detection threshold.
Parameter
Min
Typ
Max
Units
Frequency
2.4
2.5
GHz
Collector Supply Voltage
3.0
3.3
3.6
V
Mirror Supply Voltage
2.9
V
Mirror Supply Current
3.3
mA
Gain
31.5
dB
Total Current @ 19dBm POUT
103
mA
EVM @ 19dBm POUT
2
2.5
%
Detector Output @ 19dBm POUT
340
mV
Detector Threshold3
5
dBm
Preliminary


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