PA2423L-R SiGe Semiconductor, PA2423L-R Datasheet

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PA2423L-R

Manufacturer Part Number
PA2423L-R
Description
Manufacturer
SiGe Semiconductor
Datasheet

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Applications
Features
Ordering Information
Functional Block Diagram
13-DST-01 Rev 4.0 Jun-14-2006
Part Number
PA2423L-EV
PA2423L-R
PA2423L
Bluetooth
USB dongles
PCMCIA, flash cards
Access points
2.4GHz cordless telephone
+22.5 dBm at 45% Power Added Efficiency
Low current 80 mA typical @ P
Temperature stability better than 1 dB over
-40 °C to +85 °C
Power-control and power-down modes
3.3 V single supply operation
Small lead-free, plastic package: 6 lead QFN
(1.6 mm x 3.0 mm)
IN
tm
wireless technology (Class 1)
Stage 1
Evaluation Kit
GND
6 Pin QFN
6 Pin QFN
Package
OUT
= +20 dBm
Figure 1: PA2423L Block Diagram
Tape & Reel
Samples
Remark
Bias Generator
Interstage
V
Match
CTL
V
CC1
Product Description
A monolithic, high-efficiency, silicon-germanium power
amplifier IC, the PA2423L is designed for 2.4GHz
wireless applications, including Bluetooth
2.4 GHz cordless telephone applications. It delivers
+22.5 dBm output power with 45% power-added
efficiency, making it capable of overcoming insertion
losses of up to 2.5 dB between amplifier output and
antenna input.
The PA2423L contains an analog control input for
improving PAE at reduced output power levels.
The PA2423L provides a digital control input for
controlling power up and power down modes of
operation.
An on-chip ramping circuit provides the turn-on/off
switching of amplifier output with less than 3dB
overshoot, meeting the Bluetooth
The PA2423L operates at 3.3 V DC. At typical output
power level (+22.5 dBm), its current consumption is
125 mA.
The silicon/silicon-germanium structure of the PA2423L,
and its exposed die-pad package, soldered to the
system PCB, provide high thermal conductivity and a
subsequently low junction temperature. This device is
capable of operating at a duty cycle of 100 percent.
Circuitry
2.4 GHz Power Amplifier IC
Control
V
CC0
Stage 2
GND
V
RAMP
TM
specification 1.1.
PA2423L
TM
OUT
Class1 and
1 of 10
Final

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PA2423L-R Summary of contents

Page 1

... Power-control and power-down modes 3.3 V single supply operation Small lead-free, plastic package: 6 lead QFN (1 3.0 mm) Ordering Information Part Number Package PA2423L 6 Pin QFN PA2423L-R 6 Pin QFN PA2423L-EV Evaluation Kit Functional Block Diagram Stage 1 IN GND 13-DST-01 Rev 4.0 Jun-14-2006 Product Description A monolithic, high-efficiency, silicon-germanium power amplifier IC, the PA2423L is designed for 2 ...

Page 2

... DC blocking is required Die Pad GND Heatslug Die Pad is ground 13-DST-01 Rev 4.0 Jun-14-2006 CC1 CC1 CC0 CC0 Figure 2: PA2423L Pin-Out Diagram Description PA2423L 2.4 GHz Power Amplifier IC Final PA2423L Bottom View 1 V CTL 2 V RAMP Die Pad ...

Page 3

... CTL 13-DST-01 Rev 4.0 Jun-14-2006 = 3 3.3V dBm, T RAMP CTL IN Note Min. 2 VCC1 VCC2 2 RAMP 1 PA2423L 2.4 GHz Power Amplifier IC Min. Max. Unit -0.3 +3 dBm °C -40 +85 °C -40 +150 °C +150 = 25 ° 2.45 GHz, input and A Typ ...

Page 4

... CTL = 0 CTL 3 3 25.5 3 25.0 23 dBm All non-harmonically related outputs less than 2 -50 dBc = 25 °C. A PA2423L 2.4 GHz Power Amplifier IC Final = 25 ° 2.45 GHz, input and A Typ. Max. Unit 2500 MHz 22.5 dBm -20 0 dBm 120 dBm 26.5 dB 25 ...

Page 5

... Typical Performance Characteristics Test Conditions: SiGe PA2423L-EV 2.45 GHz, input and output externally matched to 50Ω unless otherwise noted Supply Voltage OUT 2.4 2.6 2.8 3 3.2 3.4 V (V) CC Pout Icc (a) Figure 3: (a) P OUT PAE vs Input Power ...

Page 6

... Pin=+2dBm over Input Power, (b) P vs. V CTL OUT -10 -20 -30 -23.83 -40 -50 -60 2.4475 PA2423L 2.4 GHz Power Amplifier Control Voltage OUT 0.9 1.4 1.9 2.4 2.9 3.4 V (V) CTL Pin=-4dBm Pin=0dBm Pin=+2dBm (b) over Input Power CTL Output spectrum with BT modulated signal 2.4485 2 ...

Page 7

... By implementing a resistor DAC, the V programmable outputs. Package Dimensions The PA2423L is packaged lead QFN package. The underside of the package is an exposed die-pad structure. This allows for direct soldering to the PCB for enhanced thermal conductivity. The package dimensions are shown in the drawing below. ...

Page 8

... Tape and Reel Information Figure 8: PA2423L Tape and Reel Diagram Product Branding Information Part Number Figure 9: PA2423L Product Branding Information (Top View) 13-DST-01 Rev 4.0 Jun-14-2006 Parameter Value Reel Diameter 7 inches Reel Width 8 mm Units per Reel 3000 Pin 1 2423L Lot Code ...

Page 9

... PA2423L 6-QFN PCB Footprint Layout Figure 10: PA2423L PCB Footprint Layout 13-DST-01 Rev 4.0 Jun-14-2006 PA2423L 2.4 GHz Power Amplifier IC Final ...

Page 10

... Phone: +852 3428 7222 Fax: San Diego Phone: +1 858 668 3541 (ext. 226) Fax: United Kingdom Phone: +44 1279 464217 Fax: This publication supersedes and replaces all information previously supplied. PA2423L 2.4 GHz Power Amplifier IC Final +852 3579 5450 +1 858 668 3546 +44 1279 464201 SiGe ...

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