Datasheet > RMPA2458

RMPA2458

更新时间： 2024-02-03 21:08:52

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		放大器功率放大器
页数	文件大小	规格书
8页	944K
描述
2.4-2.5 GHz InGaP HBT Low Current Linear Power Amplifier

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替代型号

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RMPA2458 数据手册

Preliminary

March 2005

RMPA2458

2.4–2.5 GHz InGaP HBT Low Current Linear Power Ampliﬁer

Features

General Description

■ 31.5dB small signal gain

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.

■ 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

Device

Electrical Characteristics 802.11g OFDM Modulation

(176 µs burst time, 100 µs idle time) 54 Mbps Data Rate, 16.7 MHz Bandwidth

Parameter

Min

2.4

Typ

Max

2.5

Units

GHz

Frequency

Collector Supply Voltage

Mirror Supply Voltage

Mirror Supply Current

Gain

3.0

3.3

2.9

3.3

31.5

103

2.5

340

3.6

Total Current @ 19dBm P

OUT

EVM @ 19dBm P

OUT

Detector Output @ 19dBm P

dBm

OUT

Detector Threshold

Notes:

1. VC1, VC2, VC3 = 3.3V, VM123 = 2.9V, T = 25°C, PA is constantly biased, 50Ω system.

2. Percentage includes system noise ﬂoor of EVM = 0.8%.

3. P

measured at P corresponding to power detection threshold.

OUT

RMPA2458 Rev. C

www.fairchildsemi.com

12 3 4 5 6 7 8

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RMPA2458 替代型号

型号	品牌	替代类型	描述	数据表
RMPA2453	FAIRCHILD	类似代替	2.4?2.5 GHz InGaP HBT Linear Power Amplifier

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