SE2545A23-R datasheet(1/2 Pages) SIGE

部件名	SE2545A23-R

功能描述	Dual Band 802.11n Wireless LAN Front End Preliminary Information

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制造商	SIGE [SiGe Semiconductor, Inc.]

网页	http://www.sige.com

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SE2545A23

Dual Band 802.11n Wireless LAN Front End

Preliminary Information

Applications

802.11n, MIMO solutions

IEEE802.11b DSSS WLAN

IEEE802.11g OFDM WLAN

IEEE802.11a OFDM WLAN

Access Points, PCMCIA, PC cards

Features

2 Transmit and 2 receive path architecture

All RF ports matched to 50 Ω

Integrated 2.4 GHz PA, 5 GHz PA, TX Filter, T/R

switches and diplexers

Integrated Power Detector for each TX Chain

18 dBm O/P Power, 802.11b, 11 Mbits, ACPR =

32 dBc

18 dBm @ 3.0 % EVM, 802.11g, 54 Mbits

15 dBm @ 3.0 % EVM, 802.11a, 54 Mbits

Single supply voltage: 3.3 V ± 10 %

Lead free and RoHS compliant

Thin lead free plated package, 10 mm x 14 mm x

1.1 mm, MSL 3

Ordering Information

Part No.

Package

Remark

SE2545A23

48 pin LGA

Samples

SE2545A23-R

48 pin LGA

Tape & Reel

SE2545A23-EK1

N/A

Evaluation kit

Product Description

The SE2545A23 is a complete 802.11n WLAN RF

front-end module providing all the functionality of the

power amplifiers, power detector, T/R switch,

diplexers and associated matching. The SE2545A23

provides a complete 2.4 GHz and 5 GHz WLAN

Multiple Input, Multiple Output (MIMO) RF solution

from the output of the transceiver to the antennas in

an ultra compact form factor.

Designed for ease of use, all RF ports are matched to

50 Ω to simplify PCB layout and the interface to the

transceiver RFIC. The SE2545A23 also includes a

transmitter power detector for each band and transmit

chain with 20 dB of dynamic range for each transmit

chain. Each transmit chain has a separate digital

enable control for transmitter power ramp on/off

control. The power ramp rise/fall time is less than 0.5

μsec.

The device also provides a notch filter from 3.2-3.3

GHz and 3.2-3.9 GHz prior to the input of each 2.4

GHz and 5 GHz power amplifiers, respectively.

Functional Block Diagram

Diplexer

Trap

Filter

Diplexor

Trap

Filter

Diplexer

5 GHz

PA

5 GHz

PA

2.4 GHz

PA

Diplexor

TOg

TOa

T1a

T1g

ROg

ROa

R1a

R1g

PU1g

PU1a

PU0g

PU0a

PD0ag

PD1ag

RX1ag TX1ag

RX0ag

TX0ag

T/R

Switch

T/R

Switch

A0

A1

Trap

Filter

Trap

Filter

Coupler

Power Detector

Coupler

2.4 GHz

PA

Figure 1: Functional Block Diagram

218-DST-01 Rev 1.4 May-26-2009

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