SST12LP14 Silicon Storage Technology, Inc., SST12LP14 Datasheet

SST12LP14

Manufacturer Part Number

SST12LP14

Description

Manufacturer

Silicon Storage Technology, Inc.

Datasheet

1.SST12LP14.pdf (12 pages)

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Download datasheet (230Kb)

FEATURES:

•

• High linear output power:

• High power-added efficiency/Low operating

• Built-in Ultra-low I

• Low idle current

• High-speed power-up/down

PRODUCT DESCRIPTION

The SST12LP14 is a high-performance power amplifier IC

based on the highly-reliable InGaP/GaAs HBT technology.

The SST12LP14 can be easily configured for high-power,

high-efficiency applications with superb power-added effi-

ciency while operating over the 2.4~2.5 GHz frequency

band. It typically provides 30 dB gain with 22% power-

added efficiency @ P

power-added efficiency @ P

The SST12LP14 has excellent linearity, typically <4%

added EVM up to 20 dBm output power which is essential

for 54 Mbps 802.11g operation while meeting 802.11g

spectrum mask at 23 dBm. The SST12LP14 also has

wide-range (>25 dB), temperature-stable (~1 dB over

80°C), single-ended/differential power detectors which

lower users’ cost on power control.

S71279-00-000

– Typically 30 dB gain across 2.4~2.5 GHz over

– >26.5 dBm P1dB

– Meets 802.11g OFDM ACPR requirement up to

– Added EVM ~4% up to 20 dBm for

– Meets 802.11b ACPR requirement up to 24 dBm

current for both 802.11g/b applications

– ~22% @ P

– ~26% @ P

– I

– ~60 mA I

– Turn on/off time (10%~90%) <100 ns

– Typical power-up/down delay with driver delay

High Gain:

temperature 0°C to +80°C

23 dBm

54 Mbps 802.11g signal

included <200 ns

REF

<4 mA

OUT

1/05

= 22 dBm for 802.11g

= 23.5 dBm for 802.11b

REF

= 22 dBm for 802.11g and 27%

OUT

power-up/down control

2.4 GHz Power Amplifier

SST12LP142.4 GHz Power Amplifier

= 24 dBm for 802.11b.

SST12LP14

The SST logo and SuperFlash are registered Trademarks of Silicon Storage Technology, Inc.

• High temperature stability

• 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

APPLICATIONS:

• WLAN (IEEE 802.11g/b)

• Home RF

• Cordless phones

• 2.4 GHz ISM wireless equipment

The power amplifier IC also features easy board-level

usage along with high-speed power-up/down control. Ultra-

low reference current (total I

SST12LP14 controllable by an on/off switching signal

directly from the baseband chip. These features coupled

with low operating current make the SST12LP14 ideal for

the final stage power amplification in battery-powered

802.11g/b WLAN transmitter applications.

The SST12LP14 is offered in 16-contact VQFN package.

See Figure 1 for pin assignments and Table 1 for pin

descriptions.

– ~1 dB gain/power variation between 0°C to +80°C

– ~1 dB detector variation over 0°C to +80°C

– 16-contact VQFN (3mm x 3mm)

– Non-Pb (lead-free) packages available

These specifications are subject to change without notice.

Preliminary Specifications

REF

<4 mA) makes the

Related parts for SST12LP14

SST12LP14 Summary of contents

Page 1

... I SST12LP14 controllable by an on/off switching signal directly from the baseband chip. These features coupled with low operating current make the SST12LP14 ideal for the final stage power amplification in battery-powered 802.11g/b WLAN transmitter applications. The SST12LP14 is offered in 16-contact VQFN package. ...

Page 2

... Preliminary Specifications FUNCTIONAL BLOCKS UNCTIONAL LOCK IAGRAM RFIN RFIN ©2005 SST Communications Corp Bias Circuit 2.4 GHz Power Amplifier SST12LP14 VCC2 RFOUT RFOUT Det 1279 B1.1 S71279-00-000 1/05 ...

Page 3

... GHz Power Amplifier SST12LP14 PIN ASSIGNMENTS RFIN RFIN FIGURE SSIGNMENTS FOR PIN DESCRIPTIONS TABLE ESCRIPTION Symbol Pin No. Pin Name GND 0 Ground Connection RFIN 2 RFIN Connection VCCb 5 Power Supply VREF1 6 VREF2 7 Det_ref 8 Det 9 RFOUT 10 RFOUT ...

Page 4

... 3.3V Min. Typ 3.0 3.3 2.7 2.9 2.7 2.9 2.9 3.1 2.9 3.1 4 2.4 GHz Power Amplifier SST12LP14 1 : 240°C for 3 seconds Max. Unit Test Conditions 4.2 V 290 mA 340 0.1 µA 3 ...

Page 5

... GHz Power Amplifier SST12LP14 TABLE LECTRICAL HARACTERISTICS FOR Symbol Parameter F Frequency range L-U P Output power OUT @ PIN = -7 dBm 11b signals @ PIN = -10 dBm 11g signals G Small signal gain G Gain variation over band (2400~2485 MHz) VAR1 G Gain ripple over channel (20 MHz) VAR2 ...

Page 6

... Preliminary Specifications TYPICAL PERFORMANCE CHARACTERISTICS 3.3V, T EST ONDITIONS CC FIGURE 2: S-P ARAMETERS FIGURE NPUT ETURN OSS ©2005 SST Communications Corp. = 25°C A FIGURE 2.4 GHz Power Amplifier SST12LP14 - BAND AIN LATNESS S71279-00-000 1/05 ...

Page 7

... GHz Power Amplifier SST12LP14 TYPICAL PERFORMANCE CHARACTERISTICS 2.45 GH EST ONDITIONS FIGURE OUT IN FIGURE 6: IM3 P VS OUT FIGURE ETECTORS VS OUT ©2005 SST Communications Corp 2.451 FIGURE 8: G FIGURE 9: PAE 7 Preliminary Specifications P AIN VS OUT T T FOR WO ONE S71279-00-000 ...

Page 8

... TYPICAL PERFORMANCE CHARACTERISTICS 3.3V, T EST ONDITIONS CC FIGURE 10: 802. PECTRUM AT FIGURE 11: 802.11 A EVM G DDED ©2005 SST Communications Corp. = 25° 2. 22/ 210/240 D M CURRENT 54 M 802.11 S FOR BPS G IGNAL 8 2.4 GHz Power Amplifier SST12LP14 802.11 OFDM BPS G SIGNAL A M S71279-00-000 1/05 ...

Page 9

... GHz Power Amplifier SST12LP14 FIGURE 12: 802. PECTRUM AT 50 Ω /150mil 100pF 50 Ω RFin 2.0pF 0.1 µF FIGURE 13 YPICAL CHEMATIC FOR ©2005 SST Communications Corp CURRENT CONSUMPTION 100pF 0.1 µF 12nH/ Bias circuit ...

Page 10

... SST12LP 14 - QVC E SSTxxLP xx - XXX X Valid combinations for SST12LP14 SST12LP14-QVC SST12LP14-QVCE SST12LP14 Evaluation Kits SST12LP14-QVC-K SST12LP14-QVCE-K Note: Valid combinations are those products in mass production or will be in mass production. Consult your SST sales representative to confirm availability of valid combinations and to determine availability of new combinations. ...

Page 11

... GHz Power Amplifier SST12LP14 PACKAGING DIAGRAMS TOP VIEW Pin #1 3.00 ± 0.10 Note: 1. Complies with JEDEC JEP95 MO-220I, variant VEED except external paddle nominal dimensions. 2. From the bottom view, the pin #1 indicator may be either a 45-degree chamfer or a half-circle notch. 3. The external paddle is electrically connected to the die back-side and possibly to certain V This paddle can be soldered to the PC board ...

Page 12

... Neihu, Taipei, Taiwan, R.O.C. Tel: 02-2656-2888 x220 Fax: 02-2656-2889 E-mail: achang@sst.com KOREA SST Korea Charlie Shin Country Manager Rm# 1101 DonGu Root Bldg, 16-2 Sunae-Dong, Bundang-Gu, Sungnam, Kyunggi-Do Korea, 463-020 Tel: (82) 31-715-9138 Fax: (82) 31-715-9137 Email: cshin@sst.com www.SuperFlash.com or www.sst.com 12 2.4 GHz Power Amplifier SST12LP14 S71279-00-000 1/05 ...

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