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RF2157PCBA Datasheet

  • RF2157PCBA

  • PCS CDMA/TDMA 3V POWER AMPLIFIER

  • 10頁

  • RFMD

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RF2157
2
Typical Applications
鈥?3V 1850-1910MHz CDMA PCS Handsets
鈥?3V 1750-1780MHz CDMA PCS Handsets
鈥?3V TDMA PCS Handsets
鈥?Spread-Spectrum Systems
鈥?Commercial and Consumer Systems
鈥?Portable Battery-Powered Equipment
PCS CDMA/TDMA 3V POWER AMPLIFIER
2
POWER AMPLIFIERS
Product Description
3.75
2
0.45
0.28
0.75
0.50
0.80
TYP
1
1
The RF2157 is a high-power, high-efficiency linear ampli-
fier IC targeting 3V handheld systems. The device is
manufactured on an advanced Gallium Arsenide Hetero-
junction Bipolar Transistor (HBT) process, and has been
designed for use as the final RF amplifier in dual-mode
3V CDMA and TDMA handheld digital equipment,
spread-spectrum systems, and other applications in the
1710MHz to 1910MHz band. The device is packaged in a
compact 4mmx4mm LCC, as well as a 4mmx4mm MLF
(micro leaded package). The frequency response can be
optimized for linear performance over 1710MHz to
1910MHz. The device features a digital mode switch
which can be used to minimize operating current under
low output power conditions.
Optimum Technology Matching廬 Applied
Si BJT
Si Bi-CMOS
3.75
+
1.60 4.00
12擄
1.50 SQ
INDEX AREA 3
3.20
4.00
1.00
0.90
0.75
0.65
NOTES:
1 Shaded Pin is Lead 1.
2
Dimension applies to plated terminal and is measured between
0.10 mm and 0.25 mm from terminal tip.
0.05
0.00
Dimensions in mm.
The terminal #1 identifier and terminal numbering convention
3 shall conform to JESD 95-1 SPP-012. Details of terminal #1
identifier are optional, but must be located within the zone
indicated. The identifier may be either a mold or marked
feature.
4
5
Pins 1 and 9 are fused.
Package Warpage: 0.05 max.
眉
GaAs HBT
SiGe HBT
RF IN
GND
Package Style: LCC, 16-Pin, 4x4
GaAs MESFET
Si CMOS
Features
鈥?Single 3V Supply
鈥?29dBm Linear Output Power
鈥?24dB Linear Gain
鈥?35% Linear Efficiency
鈥?On-board Power Down Mode
鈥?1750MHz to 1910MHz Operation
NC
NC
14
1
VPD1
MODE
VPD2
2
3
4
5
GND
16
15
13
12
11
10
VCC1
VCC1
VCC
6
NC
7
RF OUT
8
RF OUT
NC
9
GND
Ordering Information
RF2157
RF2157 PCBA
PCS CDMA Power Amplifier
Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A19 010611
2-187

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