SST12LP15B datasheet(12/28 Pages) MICROCHIP

12 / 28 page

DS70005029C

07/15

2.4 GHz WLAN 802.11b,g,n, 256 QAM Power Amplifier

SST12LP15B

Data Sheet

3mm x 3mm, 16-contact VQFN High-Linearity Configuration (continued)

Test Conditions: VCC = 3.3V, VREG = 2.85V, TA = 25°C, MCS7-HT40 802.11n Signal,

unless otherwise noted

Figure 10:Detector Characteristics versus Output Power

Figure 11: Typical Schematic for High-Linearity, 802.11b/g/n/256 QAM Applications for 16-

contact VQFN, 3.3V

1424 F15.1

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Output Power (dBm)

Instantaneous Vdet versus Output Power

2412 MHz

2442 MHz

2472 MHz

/20mil

RFout

100pF

2.7pF

50 /125 mil

RFin

VREG 1

VREG 2

4.7

μF

0.1

μF

Vcc

μF

0.1

R2=200 Ω

R1=200 Ω

0.1

μF

Det

1424 Schematic.4.0

Suggested operation conditions:

1 VCC = 3.3V

2. VREG1=VREG2=2.85V

*Could be removed if -7 dB

return loss is acceptable

R3=100

R5=68

μF

0.1

SST12LP15B

3x3 16L VQFN

Top View

Length = 220 mil,

Width = 10 mil trace

R4=7.5K

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