SST12LP15A Datasheet PDF - SST
Part Number | SST12LP15A | |
Description | High-Power and High-Gain Power Amplifier | |
Manufacturers | SST | |
Logo | ||
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2.4 GHz High-Power and High-Gain Power Amplifier
SST12LP15A
FEATURES:
SST-GP1215A2.4 GHz High Gain High Power PA
Data Sheet
• High Gain:
– Typically 32 dB gain across 2.4–2.5 GHz over
temperature 0°C to +85°C
• High linear output power:
– >29 dBm P1dB
- Please refer to “Absolute Maximum Stress
Ratings” on page 4
– Meets 802.11g OFDM ACPR requirement up to
25 dBm
– Added EVM~4% up to 23 dBm for
54 Mbps 802.11g signal
– Added EVM~3.5% up to 23 dBm for
application over 2.3–2.4 GHz or
2.5–2.6 GHz WiBro/WiMax frequency bands
– Meets 802.11b ACPR requirement up to 25 dBm
• High power-added efficiency/Low operating
current for both 802.11g/b applications
– ~26%/300 mA @ POUT = 24 dBm for 802.11g
– ~27%/350 mA @ POUT = 25 dBm for 802.11b
• Built-in Ultra-low IREF power-up/down control
– IREF ~2 mA
• Low idle current
– ~70 mA ICQ
• High-speed power-up/down
– Turn on/off time (10%-90%) <100 ns
– Typical power-up/down delay with driver delay
included <200 ns
• High temperature stability
– ~1 dB gain/power variation between 0°C to +85°C
– ~1 dB detector variation over 0°C to +85°C
• Low shut-down current (< 0.1 µA)
• On-chip power detection
• 25 dB dynamic range on-chip power detection
• Simple input/output matching
• Packages available
– 16-contact VQFN (3mm x 3mm)
• All non-Pb (lead-free) devices are RoHS compliant
APPLICATIONS:
• WLAN (IEEE 802.11g/b)
• Home RF
• Cordless phones
• 2.4 GHz ISM wireless equipment
PRODUCT DESCRIPTION
The SST12LP15A is a high-power and high-gain power
amplifier based on the highly-reliable InGaP/GaAs HBT
technology.
The SST12LP15A can be easily configured for high-power
applications with superb power-added efficiency while
operating over the 2.4-2.5 GHz frequency band. It typically
provides 32 dB gain with 26% power-added efficiency @
POUT = 24 dBm for 802.11g and 27% power-added effi-
ciency @ POUT = 25 dBm for 802.11b.
The SST12LP15A has excellent linearity, typically ~4%
added EVM at 23 dBm output power which is essential for
54 Mbps 802.11g operation while meeting 802.11g spec-
trum mask at 25 dBm. This device can be configured for
applications with an added EVM of approximately 3.5%, up
to 23 dBm over 2.3–2.4 GHz or 2.5–2.6 GHz WiBro/
WiMax frequency bands. SST12LP15A also has wide-
range (>25 dB), temperature-stable (~1 dB over 85°C), sin-
gle-ended/differential power detectors which lower users’
cost on power control.
The power amplifier IC also features easy board-level
usage along with high-speed power-up/down control. Ultra-
low reference current (total IREF ~2 mA) makes the
SST12LP15A controllable by an on/off switching signal
directly from the baseband chip. These features coupled
with low operating current make the SST12LP15A ideal for
the final stage power amplification in battery-powered
802.11g/b WLAN transmitter applications.
The SST12LP15A is offered in 16-contact VQFN package.
See Figure 2 for pin assignments and Table 1 for pin
descriptions.
©2006 SST Communications Corp.
S71291-02-000
7/06
1
The SST logo and SuperFlash are registered Trademarks of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.
|
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2.4 GHz High-Power and High-Gain Power Amplifier
SST12LP15A
Data Sheet
TABLE 3: AC Electrical Characteristics for Configuration
Symbol
Parameter
Min. Typ Max.
FL-U
Frequency range in 802.11b/g applications (see Figure 13)
2400
2485
FL-U Frequency range in 2.3-2.4 GHz applications (see Figure 14) 2300
FL-U Frequency range in 2.5-2.6 GHz applications (see Figure 15) 2500
2400
2600
POUT
Output power
@ PIN = -10 dBm 11b signals
23
@ PIN = -10 dBm 11g signals
23
G Small signal gain
31 32
GVAR1
Gain variation over each band (2400-2485 MHz)
GVAR2
Gain ripple over channel (Gain variation over 20 MHz)
Output VSWR Survivable time@ 25 dBm (to 50Ω)
Ruggedness 54 Mbps OFDM signal when VSWR=10:1 all phases
±0.5
0.2
10
ACPR
Meet 11b spectrum mask
24 25
Meet 11g OFDM 54 MBPS spectrum mask
24 25
Added EVM @ 23 dBm output with 11g OFDM 54 MBPS signal
3.5
2f, 3f, 4f, 5f Harmonics at 22 dBm, without trapping capacitors
-40
Unit
MHz
MHz
MHz
dBm
dBm
dB
dB
dB
second
dBm
dBm
%
dBc
T3.2 1291
©2006 SST Communications Corp.
5
S71291-02-000
7/06
Preview 5 Page |
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Information | Total 13 Pages | |
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Download | [ SST12LP15A.PDF Datasheet ] |
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