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LX5551
LX5551
LX5551
2.4-2.5 GHz Front-End Module with Internally
TM
Matched Power Amplifier & SPDT for 11b/g/n
PRODUCTION DATA SHEET
DESCRIPTION KEY FEATURES
LX5551 is a high-performance The Rx path of LX5551 includes a 2.4-2.5GHz 11b/g/n Front-End
WLAN front-end module (FEM) for low-cost SPDT switch with excellent Solution in a Single 3x3mm
802.11b/g/n and other applications in insertion loss and isolation. It features a MLP Package
the 2.4-2.5GHz frequency range. very low Tx-to-Rx port leakage in All RF Ports Matched to 50
LX5551 integrates an advanced receive mode.
Single-Polarity 3.3V Supply
InGaP/GaAs Heterojunction Bipolar LX5551 is available in a 16-pin,
Tx Path Power Gain ~ 27dB
Transistor (HBT) power amplifier with 3x3mm micro-lead package (MLPQ- Rx Path Loss ~ 0.6dB
both input/output impedance matching, 16L). With its best-class performance
Pout ~ +18dBm at Antenna* for
and an InGaAs pseudomorphic HEMT and compact footprint, LX5551 offers an EVM = 3%
(pHEMT) switch, into a single 3x3mm ideal front-end solution for the ever Total Current ~140mA for
package. demanding design requirements of
+18dBm with 90% Duty Cycle
The Tx path of LX5551 features a todays WLAN systems, including Pout > +22dBm for 11b 1Mbps
two-stage monolithic microwave 802.11b/g and the latest 11n MIMO
DSSS Mask Compliance
2
integrated circuit (MMIC) power implementation.
Small Footprint: 3x3mm
amplifier with active bias circuitry, and Low Profile: 0.9mm
50 input/output matching inside the RoHS Compliant & Pb-Free
* Including SPDT switch loss
package. With 3.3V supply voltage and
90mA nominal bias current, the Tx
path provides 27dB gain and +18dBm
linear output power, with extremely low
total EVM (<3%) for 64QAM/54Mbps
APPLICATIONS
OFDM. Both gain and power are
readily measured at antenna port, with
IEEE 802.11b/g
switch insertion loss included.
IEEE 802.11n MIMO
IMPORTANT: For the most current data, consult MICROSEMIs website: WWW.Microsemi .COM
PACKAGE DATA
PACKAGE DATA
LX5551
2.4-2.5 GHz Front-End Module with Internally
TM
Matched Power Amplifier & SPDT for 11b/g/n
PRODUCTION DATA SHEET
PRODUCT HIGHLIGHT
MSMSMSCCC
555155515551
720A720A720A
PACKAGE ORDER INFO
Plastic MLPQ
16 pin 3x3mm
LQ
RoHS Compliant /Pb-Free
LX5551LQ
Note: Available in Tape & Reel.
Append the letters TR to the part number.
(i.e. LX5551LQ-TR)
ABSOLUTE MAXIMUM RATINGS PACKAGE PIN OUT
VcVccc OpenOpen VcVc11 OpenOpen
DC Supply Voltage, RF off (PA).......................................................................5V
(Switch) ................................................................5V
161616 151515
141414 131313
Collector Current (PA)................................................................................500mA
TxITxInn 111 VcVc22
121212
Total Power Dissipation....................................................................................2W
222
VrVreeff 111111 OOpenpen
RF Input Power............................................................................................10dbm
Maximum Junction Temperature (Tj max) ................................................ +150C
DeDett 333
101010 PAPAOOuutt
Operation Ambient Temperature ...................................................-40C to +85C
RxRxOOuutt 444 SwISwInn
999
Storage Temperature....................................................................-65C to +150C
555 666 777 888
RoHs/Pb Free Peak Package Solder Reflow Temperature (40 seconds maximum
exposure)...260C(+0, -5) CCttl1l1 AnAntt Ctl2Ctl2 OOppttiionalonal
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
LQ PACKAGE
Ground. Currents are positive into, negative out of specified terminal.
(See-Through View from Top)
THERMAL DATA
RoHS/Pb-free 100% Matte Tin Lead finish
Plastic MLPQ 16-Pin
LQ
THERMAL RESISTANCE-JUNCTION TO CASE, 17C/W
JC
THERMAL RESISTANCE-JUNCTION TO AMBIENT, 55.2C/W
JA
Junction Temperature Calculation: T = T + (P x ).
J A D JA
The numbers are guidelines for the thermal performance of the device/pc-board system. All of the
JA
above assume no ambient airflow.
Copyright 2008
Microsemi
Rev. 1.0, 2008-12-17
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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