2.4 GHz High-Power, High-Gain Power Amplifier
SST12LP14C
SST-GP1214A2.4 GHz High Gain High Power PA
Preliminary Specifications
FEATURES:
•
High Gain:
•
High temperature stability
– Typically 32 dB gain across 2.4~2.5 GHz over
temperature 0°C to +85°C
– ~1 dB power variation between 0°C to +85°C
Low shut-down current (< 0.1 µA)
Excellent On-chip power detection
– <+/- 0.5dB variation between 0°C to +85°C
– <+/- 0.3dB variation Ch1 through Ch14
•
•
•
High linear output power:
– >26 dBm P1dB
- Please refer to “Absolute Maximum Stress
Ratings” on page 4
– Meets 802.11g OFDM ACPR requirement up to
23 dBm
– ~4% added EVM up to 20 dBm for 54 Mbps
802.11g signal
– Meets 802.11b ACPR requirement up to 22.5
dBm
•
•
•
20 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
•
•
High power-added efficiency/Low operating
current for both 802.11b/g applications
APPLICATIONS:
– ~29%/205 mA @ POUT = 23 dBm for 802.11g
– ~27%/195 mA @ POUT = 22.5 dBm for 802.11b
Single-pin low IREF power-up/-down control
– IREF <2 mA
Low idle current
– ~100 mA ICQ
•
•
•
•
WLAN (IEEE 802.11b/g)
Home RF
Cordless phones
•
•
•
2.4 GHz ISM wireless equipment
High-speed power-up/-down
– Turn on/off time (10%- 90%) <100 ns
– Typical power-up/-down delay with driver delay
included <200 ns
PRODUCT DESCRIPTION
The SST12LP14C is a versatile power amplifier based on
the highly-reliable InGaP/GaAs HBT technology.
current make the this device ideal for the final stage power
amplification in battery-powered 802.11b/g WLAN transmit-
ter applications.
The SST12LP14C can be easily configured for high-power
applications with good power-added efficiency (PAE) while
operating over the 2.4- 2.5 GHz frequency band. It typically
provides 32 dB gain with 29% PAE @ POUT = 23 dBm for
802.11g and 27% power-added efficiency @ POUT = 22.5
dBm for 802.11b.
This power amplifier has an excellent on-chip and single-
ended power detector, which features a wide range
(>15 dB) with dB-wise linearization and high stability over
temperature (+/-0.5 dB 0°C to +85°C), and over frequency
(<+/-0.3 dB across Channels 1 through 14). The on-chip
power detector provides a reliable solution to board-level
power control.
This power amplifier has excellent linearity, typically ~4%
added EVM at 20 dBm output power. This is essential for
54 Mbps 802.11g operation while meeting 802.11g spec-
trum mask up to 23 dBm.
The SST12LP14C is offered in 16-contact VQFN package.
See Figure 2 for pin assignments and Table 1 for pin
descriptions.
The SST12LP14C also features easy board-level usage
along with high-speed power-up/-down control through a
single combined reference voltage pin. Ultra-low reference
current (total IREF ~2 mA) makes the SST12LP14C control-
lable by an on/off switching signal directly from the base-
band chip. These features coupled with low operating
©2007 Silicon Storage Technology, Inc.
The SST logo and SuperFlash are registered Trademarks of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.
S71353-00-000
1
02/07