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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Applications
DSSS 2.4GHz WLAN (IEEE802.11b) OFDM 2.4GHz WLAN (IEEE802.11g) Access Points, PCMCIA, PC cards
Product Description
The SE2525L is a 2.4GHz power amplifier designed for use in the 2.4GHz ISM band for wireless LAN applications. The device incorporates two selectable power detectors for closed loop monitoring of the output power. For wireless LAN applications, the device meets the requirements of 802.11g and delivers +19 dBm, at an EVM of 2.7% and current of 160 mA @ 3.3 V. The SE2525L`s bias architecture provides for lower current consumption at lower output power levels. Also, the devices bias (VB) control allows for further minor customization of the bias current for power saving at lower output powers. The SE2525L includes a digital enable control for device on/off control. The SE2525L has two selectable power detectors. The internally coupled signal is selected by grounding the VDETIN/DETSEL pin. This detector detects signal at the second stage improving the accuracy under output mismatch conditions. The second detector uses an external RF input pin which would typically be taken from a directional coupler output. Both detectors are temperature compensated for minimum component count and high accuracy. Each of these power detectors also have selectable positive and negative slopes for ease of use with all chipsets. Please note this device is not recommended for new designs. SiGe's SE2528L is a pin for pin compatible device and can be used in existing SE2525L application boards with only component value changes. Application notes are available to assist in the change.
Features
+19 dBm, EVM = 2.7%, 802.11g, OFDM 54 Mbps +23 dBm, ACPR < -32 dBr, 802.11b +25.5 dBm P1dB at 3.3 V Selectable integrated external or internal coupled temperature compensated power detector Selectable Power Detector Slope for use with multiple chipsets (Negative and Positive) Integrated power amplifier enable pin (VEN) Single supply voltage: 2.7 to 3.6 V Lead free and RoHS Compliant Small plastic package, 16 pin 4 mm x 4 mm QFN
Ordering Information
Type SE2525L SE2525L-R SE2525L-EK1 Package 16 Pin QFN 16 Pin QFN Evaluation Kit Remark Samples Tape and Reel Standard
Functional Block Diagram
VB V REG V CC0
V EN
Bias Generator
IN
Stage 1
Stage 2
Stage 3
OUT/VCC3
Detector (with Switch)
V DET IN/ DET SEL
V CC1
V CC2
SLOPE SEL
V DET OUT
Figure 1: Functional Block Diagram
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Pin Out Diagram
SE2525L TopView
SLOPESEL
SE2525L Bottom View
SLOPESEL
GND
1 6
1 5
1 4
1 3
1 3
1 4
1 5
IN VEN VB VCC0
1 2 3 4 5 6 7 8
1 2 1 1 1 0 9
GND OUT /VCC3 GND GND
GND OUT /VCC3 GND GND
1 2 1 1 1 0 9 8 7 6 5
1 6 1 2 3 4
GND
VCC2
VCC1
VCC2
VCC1
IN VEN VB VCC0
VDET OUT
VDETOUT
N/C
VREG
N/C
VDETIN/DETSEL
Figure 2: SE2525L Pin-Out Diagram
Pin Out Description
Pin No. 1 2 3 4 5 6 7 8 9 -10 11 12 13 14 15 16 Die Pad Name IN VEN VB VCC0 VREG N/C VDET OUT VDET IN/DETSEL GND OUT/ VCC3 GND VCC2 SLOPESEL VCC1 GND GND Description Power amplifier RF input; DC block required. Digital pin used to power up and power down the IC Controls the bias level of the power amplifier Bias/control circuit supply voltage Internal regulator output No Connect (Do not attach to GND or VCC) Analog power detector output Power Detector Input Ground Power Amplifier RF output and Stage 3 collector supply voltage Ground Stage 2 collector supply Slope Select (N/C = Positive, GND = Negative) Stage 1 collector supply Ground Exposed die pad; electrical and thermal ground
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VDETIN/DETSEL
VREG
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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Absolute Maximum Ratings
These are stress ratings only. Exposure to stresses beyond these maximum ratings for a long period of time 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. Handling and assembly of this device should be at ESD protected workstations. Symbol VCC VB VEN IN TSTG Tj Definition Supply Voltage on pins VCC0, VCC1 VCC2 and VCC3 Bias Control Voltage Power Amplifier Enable RF Input Power Storage Temperature Range Maximum Junction Temperature Min. -0.3 -0.3 -0.3 -40 Max. 4.0 4.0 4.0 4.0 +150 +150 Unit V V V dBm C C
Recommended Operating Conditions
Symbol VCC TA Parameter Supply Voltage on pins VCC0, VCC1 VCC2 and VCC3 Ambient Temperature Min. 2.7 -40 Max. 3.6 85 Unit V C
DC Electrical Characteristics
Conditions: Symbol ICC-802.11b ICC-802.11g ICC-1DB IOFF VREG IREG VENH VENL VB IB VCC = VEN = 3.3 V, VB connected to VREG, TA = 25 C, as measured on SiGe Semiconductor's SE2525LEV1 evaluation board, unless otherwise noted. Parameter Supply Current Supply Current Supply Current Supply Current Regulator Voltage Regulator current Logic High Voltage Logic Low Voltage Bias voltage Bias current VB = 2.75 V Conditions POUT = 23 dBm, 11 Mbps CCK signal, BT = 0.45 POUT = 19 dBm, 54 Mbps OFDM signal, 64 QAM POUT = P1dB, No modulation VEN = 0 V IREG = 120 A
(1)
Min. -
Typ. 230 160 340 10 2.5 -
Max. 2.75 500 VCC 0.5 VREG 120
Unit mA mA mA A V A V V V A
TA = -40 to 85 C, VCC = 2.7 to 3.6 V TA = -40 to 85 C, VCC = 2.7 to 3.6 V -
1.3 0 0 -
(1) No coupling or circuitry that provides a DC path to ground should be connected to the VREG pin. Connection to the VB is allowed.
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
AC Electrical Characteristics
802.11g AC Electrical Characteristics
Conditions: Symbol fL-U P1dB S21 S21 2f 3f EVM VCC = VEN = 3.3 V, f = 2.45GHz, VB connected to VREG, TA = 25 C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted Parameter Frequency Range Output 1dB compression point Small Signal Gain Gain Variation over band Harmonic Conditions No modulation PIN = -25 dBm PIN = -25 dBm, fIN= 2400 to 2500 MHz POUT = 23 dBm, CW POUT = 19 dBm, 54 Mbps OFDM signal, 64 QAM PIN 2 dBm, POUT = 19 dBm, 54 Mbps OFDM signal, 64 QAM VSWR = 6:1 All Phases PIN 2 dBm, POUT = 19 dBm, 54 Mbps OFDM signal, 64 QAM VSWR = 10:1 All Phases Min. 2400 28 Typ. 25.5 31 2 -27 -46 2.7 Max. 2500 Unit MHz dBm dB dB dBm dBm %
Error Vector Magnitude
STAB
Stability
All non-harmonically related outputs less than -50 dBc/100 kHz
VSWR
Tolerance to output load mismatching
No damage
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
802.11b AC Electrical Characteristics
Conditions: Symbol fL-U P1dB S21 S21 2f, 3f VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, TA = 25 C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted. Parameter Frequency Range Output 1dB compression point Small Signal Gain Gain Variation over band Harmonics Adjacent Channel Power Ratio ACPR 11 MHz offsets from carrier 22 MHz offsets from carrier Stability No modulation PIN = -25 dBm PIN = -25 dBm, fIN= 2400 to 2500 MHz POUT = 23 dBm, CW POUT = 23 dBm, 11 Mbps CCK signal, BT = 0.45 PIN 2 dBm, POUT = 23 dBm, 11 Mbps CCK signal, BT = 0.45, VSWR = 6:1 PIN 2 dBm, POUT = 23 dBm, 11 Mbps CCK signal, BT = 0.45, VSWR = 10:1 All Phases Conditions Min. 2400 28 25.5 31 2.0 -27 -47 -32 -52 Typ. Max. 2500 Unit MHz dBm dB dB dBm/MHz dBm/MHz dBr
STAB
All non-harmonically related outputs less than -50 dBc/100 kHz
VSWR
Tolerance to output load mismatching
No damage
Detector Selection Logic
Conditions: VCC = VEN = 3.3V, VB = VREG, TA = 25C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted VDETIN/DETSEL AC Coupled Ground AC Coupled Ground Detector Slope Positive Positive Negative Negative Detector Signal Source External Internal External Internal
SLOPESEL Open Circuit Open Circuit Ground Ground
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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Internal Coupled Power Detector
Internal Coupled Positive Slope
Conditions: VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, SLOPESEL = Open Circuit, VDET IN/DETSEL = GND, TA = 25 C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted Parameter POUT detect range Detector voltage Detector voltage Detector voltage Output Impedance DC load impedance Conditions POUT = 23 dBm POUT = 19 dBm POUT = NO RF Min. 0 250 10 Typ. 1.15 0.73 0.35 Max. P1dB 700 Unit dBm V V V k
Symbol PDR VDET VDET VDET PDZOUT PDZLOAD
Internal Coupled Negative Slope
Conditions: VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, VDETOUT load = 2.4 k to ground, SLOPESEL = VDET IN/DETSEL = GND, TA = 25 C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted Parameter POUT detect range Detector voltage Detector voltage Detector voltage Conditions POUT = 23 dBm POUT = 19 dBm POUT = NO RF Min. 0 Typ. 0.42 0.64 0.90 Max. P1dB Unit dBm V V V
Symbol PDR VDET VDET VDET
SE2525L Internal Coupled Power Detector (Positive) 2.2 2 1.8 1.6 1.4 VDET (V)
VDET (V) 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1 0.9 0.8
SE2525L Internal Coupled Power Detector (Negative)
1.2 1 0.8 0.6 0.4 0.2 0 6 8 10 12 14 16 18 20 22 24 26 28
0 7 9 11 13 15 17 19 21 23 25 Output Power (dBm)
Output Power (dBm)
Figure 3: SE2525L Internal Coupled Power Detector Characteristic
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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
External Coupled Power Detector
External Coupled Positive Slope
Conditions: VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, TA = 25 C, SLOPESEL = Open Circuit, VDET IN/DETSEL = open circuit, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted. Parameter Input power detect range Detector voltage Detector voltage
(1) (1)
Symbol PDET VDET VDET VDET ZDET PDZOUT PDZLOAD
Conditions POUT = 23 dBm POUT = 19 dBm POUT = NO RF -
Min. -10 250 10
Typ. 1.18 0.8 0.35 275//1.1 -
Max. 10 700 -
Unit dBm V V V //pF k
Detector voltage (1) Input Impedance Output Impedance DC load impedance
(1) POUT measured at the input to the 17dB microstrip coupler on SiGe Semiconductor's SE2525L-EV1 evaluation board
External Coupled Negative Slope
Conditions: VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, TA = 25 C, VDETOUT load = 2.4 k to ground, SLOPESEL = GND, VDET IN/DETSEL = open circuit, as measured on SiGe Semiconductor's SE2525LEV1 evaluation board, unless otherwise noted. Parameter Input power detect range Detector voltage Detector voltage Detector voltage
(1) (1) (1)
Symbol PDET VDET VDET VDET
Conditions POUT = 23 dBm POUT = 19 dBm POUT = NO RF
Min. -10 -
Typ. 0.3 0.56 0.90
Max. 10 -
Unit dBm V V V
(1) POUT measured at the input to the 17 dB microstrip coupler on SiGe Semiconductor's SE2525L-EV1 evaluation board
SE2525L External Coupled Power Detector (Positive)
2.2 2 1.8 1.6
SE2525L External Coupled Power Detector (Negative)
1 0.9 0.8 0.7
VDET (V)
6 8 10 12 14 16 18 20 22 24 26 28
VDET (V)
1.4 1.2 1 0.8 0.6 0.4 0.2 0
0.6 0.5 0.4 0.3 0.2 0.1 0 7 9 11 13 15 17 19 21 23 25
Output Power (dBm)
Output Power (dBm)
Figure 4: SE2525L External Coupled Power Detector Characteristic
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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Typical Performance Characteristics
Conditions: VCC = VEN = 3.3 V, f = 2.45 GHz, VB connected to VREG, TA = 25 C, as measured on SiGe Semiconductor's SE2525L-EV1 evaluation board, unless otherwise noted
General
VDET vs. Output Power (Postive Slope)
External Coupling
2 1.8 1.6 1.4
VDET vs. Output Power (Negative Slope)
External Coupling
1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
Internal Coupling
Internal Coupling
VDET (V)
1 0.8 0.6 0.4 0.2 0 7 9 11 13 15 17 19 21 23 25 27
VDET (V)
1.2
7
9
11
13
15
17
19
21
23
25
Output Power (dBm)
Output Power (dBm)
Figure 5: SE2525L Power Detector Response (Positive Slope, Negative Slope)
Output Power, Icc vs. CW Input Power Sweep vs. Frequency
Pout 2400 MHz Icc 2400 MHz 30 Pout 2450 MHz Icc 2450 MHz Pout 2500 MHz Icc 2500 MHz
2nd, 3rd Harmonic vs. Output Power vs. Frequency
2nd Harmonic 2400 MHz 3rd Harmonic 2400 MHz 2nd Harmonic 2450 MHz 3rd Harmonic 2450 MHz 2nd Harmonic 2500 MHz 3rd Harmonic 2500 MHz
0.6 0.5
-20 -25
25
-30
20
0.4
Icc (A)
Harmonics (dBm/MHz)
Output Power (dBm)
-35 -40 -45 -50 -55 -60
15
0.3
10
0.2 0.1
5
0 -25 -23 -21 -19 -17 -15 -13 -11 -9 -7 -5 -3
0
-65 15 16 17 18 19 20 21 22 23 24 25 26 27
Input Power (dBm)
Output Power (dBm)
Figure 6: SE2525L CW Sweep and 2nd, 3rd Harmonics
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SE2525L
RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
802.11b Performance
802.11B 11Mbs ACPR-CH1 vs. Output Power vs. Frequency
2400 MHz 2450 MHz 2500 MHz -45 -26 -47 -49 -51
802.11B 11Mbs ACPR-CH2 vs. Output Power vs. Frequency
2400 MHz 2450 MHz 2500 MHz
-28
ACPR (dBc)
-30
-32
ACPR (dBc)
16 17 18 19 20 21 22 23 24 25 26
-53 -55 -57 -59 -61
-34
-36
-38 -63 -40 -65 16 17 18 19 20 21 22 23 24
Output Power (dBm)
Output Power (dBm)
Figure 7: SE2525L Adjacent and Alternate Channel ACPR (Over Frequency)
802.11B 11Mbs ACPR-CH1 vs. Output Power vs. Voltage
2.7V 3.0V 3.3V 3.6V
-45
802.11B 11Mbs ACPR-CH2 vs. Output Power vs. Voltage
2.7V 3.0V 3.3V 3.6V
-26
-47
-28
-49 -51
-30
ACPR (dBc)
ACPR (dBc)
16 17 18 19 20 21 22 23 24 25 26
-53 -55 -57 -59 -61
-32
-34
-36
-38
-63 -65 16 17 18 19 20 21 22 23 24
-40
Output Power (dBm)
Output Power (dBm)
Figure 8: SE2525L Adjacent and Alternate Channel ACPR (Over Voltage)
802.11g Performance
802.11G 54Mbs EVM (%) vs. Output vs. Frequency
2400 MHz 7 2450 MHz 2500 MHz
802.11G 54Mbs EVM (%) vs. Output vs. Frequency and Temperature
2.7V 7 3.3V 3.6V
6
6
5
5
EVM (%)
3
EVM (%)
3 5 7 9 11 13 15 17 19 21
4
4
3
2
2
1
1
0
0 3 5 7 9 11 13 15 17 19 21
Output Power (dBm)
Output Power (dBm)
Figure 9: SE2525L 802.11g 54Mbps EVM (Over Frequency, Over Voltage)
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
Package Information
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
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RangeChargerTM 2.4GHz Power Amplifier with Power Detector Preliminary Information
http://www.sige.com Email: sales@sige.com
Customer Service Locations: North America: 1050 Morrison Drive, Suite 100 Ottawa ON K2H 8K7 Canada Phone: +1 613 820 9244 Fax: +1 613 820 4933 Hong Kong Phone: +852 3428 7222 Fax: +852 3579 5450 San Diego Phone: +1 858 668 3541 (ext. 226) Fax: +1 858 668 3546 United Kingdom Phone: +44 1264 850754 Fax: +44 1264 852601
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. 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. RangeCharger , StreamCharger , and PointCharger Copyright 2006 SiGe Semiconductor, Inc. All Rights Reserved
TM TM TM
are trademarks owned by SiGe Semiconductor, Inc.
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