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Product Description
Sirenza Microdevices' SZA-2044 is a high efficiency class AB Heterojunction Bipolar Transistor (HBT) amplifier housed in a low-cost surface-mountable plastic package. This HBT amplifier is made with InGaP on GaAs device technology and fabricated with MOCVD for an ideal combination of low cost and high reliability. This product is specifically designed as a final stage for 802.11b/g and 801.16 equipment in the 2.0-2.7 GHz bands. It can run from a 3V to 5V supply. Optimized on-chip impedance matching circuitry provides a 50 nominal RF input impedance. The external output match and bias adjustability allows load line optimization for other applications or over narrower bands. It features an output power detector, on/off power control and high RF overdrive robustness. This product is available in a RoHS Compliant and Green package with matte tin finish, designated by the "Z" package suffix.
SZA-2044 / SZA-2044Z
2.0-2.7 GHz 5V 1W Power Amplifier
Pb
RoHS Compliant & Green Package
4mm x 4mm QFN Package
Product Features
* * * * * *
802.11g 54Mb/s Class AB Performance Pout = 22.5dBm @ 3% EVM, 5V, 340mA Pout = 18dBm @ 3% EVM, 3.3V, 175mA On-chip Output Power Detector P1dB = 29.5dBm @ 5V, P1dB = 25dBm @ 3.3V Robust - Survives RF Input Power = +15dBm Power up/down control < 1s Available in RoHS Green Compliant Package 802.11b/g WLAN, 2.4GHz ISM Applications WiMax 802.16, MMDS and MDS bands
Unit MHz dBm Min. 2000 29.5 28.0 23.5 23.5 29.5 25.5 25.5 22.5 22.5 6.1 -44 10 9 13 11 0.9 to 1.7 255 300 1.9 6 28 100 345 -40 27.5 27.5 Typ. Max. 2700
Functional Block Diagram
Vcc Power Up/Down Control
Active Bias
Active Bias
RFIN
RFOUT
Applications
Power Detector Vout
Key Specifications
Symbol fO P1 d B S21 Pout NF IM3 IRL ORL Vdet Range Icq I VPC I LEAK Rth, j-l Parameters: Test Conditions, App circuit page 4 Z 0 = 50 , VCC = 5.0V, Iq = 300mA, TBP = 30C Frequency of Operation Output Power at 1dB Compression - 2.4 GHz Output Power at 1dB Compression - 2.5 GHz Small Signal Gain at 2.4 GHz Small Signal Gain at 2.5 GHz Output power at 3% EVM 802.11g 54Mb/s - 2.4GHz
* *
dB
Output Power at 3% EVM 802.11g 54Mb/s - 2.5GHz Noise Figure at 2.5 GHz Third Order Intermod at 18dBm per tone - 2.5GHz Worst Case Input Return Loss 2.4-2.5GHz Worst Case Output Return Loss 2.4-2.5GHz Output Voltage Range for Pout=15dBm to 29dBm Quiescent Current (V cc = 5V) Power Up Control Current, Vpc=5V, ( I VPC1 + I VPC2 ) Off Vcc Leakage Current Vpc=0V Thermal Resistance (junction - lead)
dBm dB dBc dB V mA mA uA C/W
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for ina ccuracies or ommisions. Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2002 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 1
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Pin Out Description
Pin # 1,2,4,5, 7,9,11, 13, 15,17,19 Function Description These are unused pins and not wired inside the package. They may be grounded or connected to adjacent pins. VPC1 is the bias control pin for the stage 1 active bias circuit. An external series resistor is required for proper setting of bias levels. Refer to the evaluation board schematic for resistor value. To prevent potential damage, do not apply voltage to this pin that is +1V greater than voltage applied to pin 20 (Vbias) unless Vpc supply current capability is less than 10 mA. VPC2 is the bias control pin for the stage 2 active bias circuit. An external series resistor is required for proper setting of bias levels. Refer to the evaluation board schematic for resistor value. To prevent potential damage, do not apply voltage to this pin that is +1V greater than voltage applied to pin 20 (Vbias) unless Vpc supply current capability is less than 10 mA. Output power detector voltage. Load with > 10K ohms for best performance RF input pin. This is DC grounded internal to the IC. Do not apply voltage to this pin. RF output pin. This is also another connection to the 2nd stage collector. 2nd stage collector bias pin. Apply 3.0 to 5.0V to this pin. 1st stage collector bias pin. Apply 3.0 to 5.0V to this pin. Active bias network VCC. Apply 3.0 to 5.0V to this pin. Exposed area on the bottom side of the package needs to be soldered to the ground plane of the board for optimum thermal and RF performance. Several vias should be located under the EPAD as shown in the recommended land pattern (page 5).
N/C
6
VPC1
8
VPC2
10 3 12,14 16 18 20 EPAD
Vdet RFIN RFOUT VC2 VC1 Vbias Gnd
Simplified Device Schematic Absolute Maximum Ratings
Pin 20 Pin 6 Pin 18 Pin 8 Pin 16
Parameters VC2 Collector Bias Current (IVC2 ) VC1 Collector Bias Current (IVC1 ) Device Voltage (V D) Power Dissipation Value 500 150 7.0 3 -40 to +85 15 8 -40 to +150 +150 500 Unit mA mA V W C dBm dBm C C V
Stage 1 Bias
Stage 2 Bias
Operating Lead Temperature (TL) Max RF Input Power for 50 ohm output load Max RF Input Power for 10:1 VSWR RF out load Storage Temperature Range
Pin 3 EPAD Pin 10 EPAD
Pin 12, 14
Operating Junction Temperature (TJ) ESD Human Body Model (Class 1C)
Operation of this device beyond any one of these limits may cause permanent damage. For reliable continuous operation the device voltage and current must not exceed the maximum operating values specified in the table on page one. Bias conditions should also satisfy the following expression: I DV D < ( TJ - TL) / RTH' j-l
Caution: ESD Sensitive
Appropriate precaution in handling, packaging and testing devices must be observed.
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 2
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Performance: 2.3 - 2.7 GHz Evaluation Board Data (V c c = Vpc = 5.0V, Iq = 300mA)
S11 - Input Return Loss
0 0 -10 -5 S11(dB) S12(dB) -20 -30 -40 -50 -60 -70 -20 0 1 2 3 Freq (GHz) T=25C 4 5 6 -80 0 1
S12 - Isolation
-10
-15
2
3 Freq (GHz) T=25C
4
5
6
T=-40C
T=85C
T=-40C
T=85C
S21 - Gain
30 25
-5 0
S22 - Output Return Loss
S21(dB)
S22(dB)
20 15 10
-10
-15
5 0 0 1 2 3 Freq (GHz) T=25C 4 5 6
-20 0 1 2 3 Freq (GHz) T=25C 4 5 6
T=-40C
T=85C
T=-40C
T=85C
Narrowband S11 - Input Return Loss
-10 -40
Narrowband S12 - Isolation
-50 S11(dB) S12(dB) 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Freq (GHz) T=25C 2.7 2.8 2.9 3.0
-15
-60
-70
-20
-80 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Freq (GHz) T=25C 2.7 2.8 2.9 3.0
T=-40C
T=0C
T=70C
T=85C
T=-40C
T=0C
T=70C
T=85C
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 3
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Performance: 2.3 - 2.7 GHz Evaluation Board Data (V c c = Vpc = 5.0V, Iq = 300mA)
Narrowband S21 - Gain
30 -5
Narrowband S22 - Output Return Loss
S21(dB)
25 S22(dB) 20 15 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Freq (GHz) T=25C 2.7 2.8 2.9 3.0
-10
-15
-20 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Freq (GHz) T=25C 2.7 2.8 2.9 3.0
T=-40C
T=0C
T=70C
T=85C
T=-40C
T=0C
T=70C
T=85C
EVM vs Pout, F=2.4GHz 802.11g, OFDM, 54 Mb/s, 64QAM
6 5
EVM vs Pout, F=2.5GHz 802.11g, OFDM, 54 Mb/s, 64QAM
6 5 EVM (%) 4 3 2 1 0
EVM (%)
4 3 2 1 0 5 10 15 Pout (dBm) T=0C T=25C 20 25
5
10
15 Pout (dBm) T=0C T=25C T=70C
20
25
T=-40C
T=70C
T=85C
T=-40C
T=85C
DC Supply Current (Idc) vs Pout, T=25C
0.55 0.50 0.45 Idc(A) 0.40 0.35 0.30 0.25 10.0 15.0 20.0 Pout (dBm) F=2.5GHz 25.0 30.0 0.1 0.0 Icq(A) 0.3 0.2 0.5 0.4
Icq (DC Bias Point) vs Vsupply (V+ and Vpc)
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 Vsupply (V) T=-40C T=25C T=85C
F=2.4GHz
F=2.7GHz
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 4
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Performance: 2.3 - 2.7 GHz Evaluation Board Data (V cc = V pc = 5.0V, Iq = 300mA)
RF Power Detector (Vdet) vs Pout F=2.4GHz
1.8 1.6 Vdet(V) 1.4 1.2 1.0 0.8 14 16 18 20 22 24 Pout (dBm) T=25C 26 28 30 Vdet(V) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 14 16 18 20 22 24 Pout (dBm) T=25C 26 28 30
RF Power Detector (Vdet) vs Pout F=2.5GHz
T=-40C
T=85C
T=-40C
T=85C
RF Power Detector (Vdet) vs Pout F=2.7GHz
2.0 1.8 Vdet(V) 1.6 1.4 1.2 1.0 0.8 14 16 18 20 22 24 Pout (dBm) T=25C 26 28 30
Gain vs Pout, T=25C
28 27 Gain(dB) 26 25 24 23 22 14 16 18 20 22 24 Pout (dBm) F=2.5GHz 26 28 30
T=-40C
T=85C
F=2.4GHz
-10 -20 IM3(dBc) -30 -40 -50 -60 -70 12 14
IM3 vs Pout (2 tone avg.), T=25C Tone Spacing=1MHz
16
18
20 22 Pout (dBm) F=2.5GHz
24
26
28
F=2.4GHz
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 5
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Performance: 2.3 - 2.7 GHz Evaluation Board Data (V cc = V pc = 5.0V, Iq = 300mA)
802.11b Spectral Regrowth vs. Output Power at 2.4 GHz
70 65 60 55 50 (-dBr) 45 40 35 30 25 20 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Output Power (dBm) Adjacent Channel (-dBr) Alternate Channel (-dBr)
Output Power Spectrum 802.11b 11mbps cck, Pout = 27.8dBm at 2.4GHz
* RBW * Att * VBW * SWT
100 kHz 100 kHz 1s CH PWR ACP Low ACP Up ALT1 Low ALT1 Up 27.77 dBm -37.71 dB -37.27 dB -51.39 dB -50.05 dB
Ref
27.6 dBm Off set 31.4 dB
5 dB
*
A SG L
20
1 RM * C LRW R 10
LV L 0
-1 0
-2 0 EX T
-3 0
-4 0
-5 0
-6 0
-7 0
Center
2.4
GHz
6.653384837 MHz/
Span
66.53384837 MHz
Date: 3.AUG.2004
15:48:28
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 6
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
2.0 - 2.7 GHz Evaluation Board Schematic For V+ = Vcc = 5.0V
Important Note: Pins 1,2,4,5,7,9,11,13,15,17,19 are unwired (N/C) inside the package. Refer to page 2 for detailed pin descriptions. Some of these pins are wired to adjacent pins or grounded as shown in the application circuit. This is to maintain consistency with the evaluation board layout shown below. It is recommended to use this layout and wiring to achieve the specified performance. Note: Application circuits are specified below for 2.0-2.2GHz and 2.3-2.7GHz bands. Only the output matching circuit component values change.
2.0 - 2.7 GHz Evaluation Board Layout For V+ = Vcc = 5.0V
Board material GETEK, 10mil thick, Dk=3.9, 2 oz. copper
C1 C6 R4 C4 L1
SZA2044
C2 C5 C3
R1 R2 R5
R3
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 7
http://www.sirenza.com EDS-103612 Rev E
SZA-2044 2.0-2.7GHz 5V Power Amp
Part Symbolization
The part will be symbolized with an "SZA-2044" for Sn/Pb plating or "SZA-2044Z" for RoHS green compliant product. Marking designator will be on the top surface of the package.
Part Number Ordering Information
Part Number SZA-2044 SZA-2044Z Reel Size 13" 13" Devices/Reel 3000 3000
Package Outline Drawing (dimensions in mm): Refer to package outlline drawing for more detail.
SZA-2044 - 85/15 Sn/Pb plating SZA-2044Z - Matte Sn plating
Recommended Land Pattern (dimensions in mm[in]):
Recommended PCB Soldermask (SMBOC) for Land Pattern (dimensions in mm[in]):
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 8
http://www.sirenza.com EDS-103612 Rev E

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