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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information Applications
IEEE 802.11b DSSS radios, Wireless LAN 2.4GHz cordless phones, ISM radios
Product Description
The SE2522L is a power amplifier IC designed for the 2.4GHz ISM band and compliant with the IEEE 802.11b WLAN standard. It typically provides +20dBm linear output power requiring only 110mA at 3.3V. It can also be utilized in 2.4GHz cordless telephone applications where it typically provides +23dBm saturated output power at 3.6V. The SE2522 includes an integrated power detector circuit for closed loop monitoring of output power. It has an input power range of 15dB with an accuracy of 1.0dB. An accurate automatic level control function can easily be implemented using this power detector circuit. The SE2522L contains a linear analog control (0.1 to 1.6V) for minimizing DC current consumption and maximizing PAE. The SE2522L includes a digital enable control for device on/off control where ramping is typically 1 sec. Remark Samples Shipped in Tape & Reel This device is capable of operating at a duty cycle of 100 percent.
Features
Integrated power detector circuit High linear output power for IEEE802.11b: st nd +20dBm, ACPR 1 lobe -30dBc, 2 lobe -50dBc Low current consumption: 110mA at 3.3V High saturated output power for cordless telephone applications: +23dBm, 140mA at 3.6V Single supply voltage: 2.7 to 3.6V Wide Temperature range: -40C to +85C Integrated linear analog control for DC current and output power management Small plastic package: 8 Pin LPCC
Ordering Information
Type SE2522L SE2522L-R SE2522L-EK1 Package 8 Pin LPCC 8 Pin LPCC Evaluation Kit
Functional Block Diagram
VCTL VCC0 VEN
Bias Generator
IN
Stage 1
Stage 2
OUT/ VCC2
Power Detector
GND
VCC1
VDET
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information Pin Out Diagram
Note: Pads and die pad shown are at the bottom of package.
SE2522L Top View
VDET VCTL VEN IN 1 2 3 4
SE2522L Bottom View
8 7 6 5 OUT/VCC2 NC VCC1 VCC0 OUT/VCC2 NC VCC1 VCC0 8 7 6 5
Die Pad
2522L
1 2 3 4
VDET VCTL VEN IN
Pin Out Description
Pin No. 1 2 3 4 5 6 7 8 Die Pad Name VDET VCTL VEN IN VCC0 VCC1 NC OUT/VCC2 GND Analog power detector output Controls the RF output power and DC current level of the power amplifier. An analog control signal between 0.1V and 1.6V varies the PA output power between Min. and Max. values. Power Amplifier Enable pin. A digital control signal with logic high (power up) and logic low (power down) is used to turn the device on and off. Power amplifier RF input, external input matching network with DC blocking is required. Bias supply voltage. Stage 1 collector supply voltage, an external inter-stage matching network is required. No connect PA Output and Stage2 collector supply voltage, external output matching network with DC blocking is required. Heatslug Die Pad is ground Description
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information Absolute Maximum Ratings
These are stress ratings only. Exposure to stresses beyond these maximum ratings may cause permanent damage to, or affect the reliability of the device. Avoid operating the device outside the recommended operating conditions defined below. This device is ESD sensitive with an ESD rating of < 600V. Handling and assembly of this device should be at ESD protected workstations. Symbol VCC VCTL VEN PIN TSTG Tj Supply Voltage Control Voltage Ramping Voltage RF Input Power Storage Temperature Range Maximum Junction Temperature -40 Parameter Min. -0.3 -0.3 -0.3 Max. +3.6 VCC VCC +8 +150 +150 Unit V V V dBm
C C
Recommended Operating Conditions
Symbol TA VCC Parameter Operating Temperature Supply Voltage Min. -40 2.7 3.3 Typ. Max. +85 3.6 Unit
C
V
DC Electrical Characteristics
Conditions: VCC0=VCC1=VCC2=VEN=3.3V, VCTL=1.6V, TA =25C, f =2.45GHz, using IEEE802.11b modulation, Input and Output externally matched to 50, unless otherwise noted. Symbol ICC ICC(sat) VCTL ICTL VEN ISTBY Parameter Supply Current, VCTL = 1.6V, PIN = -7dBm Supply Current (sat) @ PIN = +2dBm PA Output Power Control Voltage Range Current sunk by VCTL Pin Logic High Voltage Logic Low Voltage Leakage Current when VEN = 0V, VCTL = 0V 0.1 2.0 0.8 200 Min. 0.1 55 Typ. 110 140 Max. 130 175 1.6 100 Unit mA mA V
A
V V
A
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information AC Electrical Characteristics
Conditions: VCC0 = VCC1 = VCC2 = VEN = 3.3V, VCTL = 1.6V, TA = 25C, f = 2.45GHz, using IEEE802.11b modulation, and SiGe Semiconductor SE2522L-EK1 Evaluation Kit otherwise noted. Symbol fL-U Parameter Frequency Range Output Power @ PIN =-7dBm, VCTL =1.6V, ACPR < -30dBc POUT Output Power @ PIN =-7dBm, VCTL = 0.1V, ACPR < -30dBc Output Power (sat) @ PIN = +2dBm, VCTL = 1.6V dPOUT /dVCTL G GVAR 2f,3f,4f,5f IS21 IOFF IS12I tR STAB PDR PDT PDVmax PDVmin PDVp19 PDVap19 Control Voltage Sensitivity Gain, small signal Gain Variation over band (2400-2485MHz) Harmonics Isolation in "OFF" State, PIN <= +2dBm, VEN =0V Reverse Isolation Rise and Fall Time 10% to 90% Stability (PIN <= +2dBm, Load VSWR = 6:1) Power detect range, peak power PA power detect, response time, 5pF load PA power detect, output voltage maximum, load > 5kOhms PA power detect, output voltage minimum, load > 5kOhms PA power detect output voltage, POUT = 13dBm peak PA power detect output voltage accuracy, POUT = 19dBm peak 4 4 4 4 4 0.2 0.8
35
Note
Min. 2400
Typ.
Max. 2485
Unit MHz dBm dBm dBm dB/V dB
2 2 3
18 21
20 -5 23 20 27 1.0
22 5 -
2.0 -50
dB dBc dB dB s
1 20 32 30 42 1.2
All non-harmonically related outputs less than -50 dBc/100kHz 6 0.1 23 5 1.8 dBm
sec
V V V mV
Notes: (1) Harmonic levels and ACPR are greatly affected by topology of external matching networks. (2) Parameter measured with RF modulation based on IEEE 802.11b standard and matching networks optimized for linear output power performance (3) With matching networks optimized for saturated output power performance (4) Measured at VDET pin
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information Typical Performance Characteristics
Conditions: VCC=3.3V, VCTL=1.6V, VEN=3.3V, F=2.45GHz, using IEEE802.11b modulation, and matching networks optimized for linear output power performance. Performance graphs are based on preliminary evaluation information and may differ from the AC and DC electrical specifications.
Output Power vs. Input Power
3.0V/T=25C
3.3V/T=25C
3.6V/T=25C
170 160 150 140 130
ICC (mA)
Supply Current vs. Input Power
3.0V/T=25C
3.3V/T=25C
3.6V/T=25C
24.0 22.0 20.0 18.0 16.0
POUT (dBm)
14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 -18 -16 -14 -12 -10 -8 PIN (dBm ) -6 -4 -2 0 2
120 110 100 90 80 70 60 50 -18 -16 -14 -12 -10 -8 PIN (dBm ) -6 -4 -2 0 2
ACPR vs. Output Power
3.0V/T=25C
0.0 -5.0 -10.0
ACPR/1Ch (dBc)
ACPR Across Frequency Band (VCC =3.3V)
f = 2.4GHz
f = 2.5GHz
3.3V/T=25C
3.6V/T=25C
0.0 -5.0 -10.0
ACPR/1Ch (dBc)
-15.0 -20.0 -25.0 -30.0 -35.0 -40.0 -45.0 8.0 10.0 12.0 14.0 16.0 POUT (dBm ) 18.0 20.0 22.0 24.0
-15.0 -20.0 -25.0 -30.0 -35.0 -40.0 8.0 10.0 12.0 14.0 16.0 POUT (dBm ) 18.0 20.0 22.0 24.0
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information
Harmonics vs Output Power (VCC =3.3V)
Power Detector Response vs. Output Power
3.0V/T=25C
2Fo/T=25C
3Fo/T=25C
4Fo/T=25C
5Fo/T=25C
3.0V/T=-40C 1.60 1.40 1.20 1.00
V DET (V)
3.0V/T=0C 3.0V/T=40C 3.0V/T=85C 3.3V/T=25C 3.3V/T=25C 3.3V/T=0C 3.3V/T=40C 3.3V/T=85C 3.6V/T=25C 3.6V/T=-40C 3.6V/T=0C 3.6V/T=40C 3.6V/T=85C 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0
0.0 -10.0
Harmonics (dBm/1MHz)
-20.0 -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 POUT (dBm )
0.80 0.60 0.40 0.20 0.00 POUT (dBm )
Output Power vs. V CTL (PIN =-10dBm)
POUT
ICC
ACPR vs. VCTL (PIN =-10dBm)
POUT
140 120 100
ACPR/1Ch
ACPR/2Ch 0.0 -10.0 -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 3.5
ACPR (dBc)
20.0 15.0 10.0
POUT (dBm)
20.0 15.0 10.0
POUT (dBm)
ICC (mA)
5.0 0.0 -5.0 -10.0 -15.0 0 0.5 1 1.5 V CTL (V) 2 2.5 3
80 60 40 20 0 3.5
5.0 0.0 -5.0 -10.0 -15.0 0 0.5 1 1.5 V CTL (V) 2 2.5 3
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information Package Information
Notes: 1. 2. 3. 4. 5.
Dimensions are in millimeters Tolerance 0.1mm unless otherwise specified Moisture/Reflow Sensitivity Classification: Level 1 (IPC/JEDEC-J-STD-020A) Lead finish is 100% lead free electrolytic tin. Exposed heat/electrical ground pad at bottom of package
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SE2522L
RangeChargerTM 2.4 GHz Power Amplifier And Power Detector IC Preliminary Information
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Product Preview The datasheet contains information from the product concept specification. SiGe Semiconductor Inc. reserves the right to change information at any time without notification. Preliminary Information The datasheet contains information from the design target specification. SiGe Semiconductor Inc. reserves the right to change information at any time without notification. Final The datasheet contains information from the final product specification. SiGe Semiconductor Inc. reserves the right to change information at any time without notification. Production testing may not include testing of all parameters. Information furnished is believed to be accurate and reliable and is provided on an "as is" basis. SiGe Semiconductor Inc. assumes no responsibility or liability for the direct or indirect consequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. No license or indemnity is granted by implication or otherwise under any patent or other intellectual property rights of SiGe Semiconductor Inc. or third parties. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SiGe Semiconductor Inc. products are NOT authorized for use in implantation or life support applications or systems without express written approval from SiGe Semiconductor Inc. RangerCharger , StreamCharger , PointCharger , and LightCharger Copyright 2002 SiGe Semiconductor All Rights Reserved
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are trademarks owned by SiGe Semiconductor Inc.
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