SST11CP22 Datasheet PDF - Microchip

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SST11CP22
Microchip

Part Number SST11CP22
Description 5.1-5.9 GHz High-Power 11ac WLAN Power Amplifier
Page 18 Pages


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SST11CP22
5.1-5.9 GHz High-Power 11ac WLAN Power Amplifier
Features
• Small package size
- 20-contact UQFN (4mm x 4mm x 0.6 mm max)
• 50input and output match including DC blocks
• Integrated harmonic filter
• Operating voltage
- VCC = 5.0V
• Operating frequency: 5.1 to 5.9 GHz
• High linear output power, typical performance:
- 802.11a OFDM Spectrum mask compliant up
to 24 dBm
- 802.11n HT40 OFDM Spectrum mask compliant
up to 23.5 dBm
- 3% EVM up to 20.5 dBm for 802.11a, 54 Mbps
signal
- 2.5% EVM up to 20 dBm for 802.11n, HT40
- 1.8% EVM up to 19 dBm for 802.11ac, MCS9,
80 MHz BW (bandwidth) signal
• High power-added efficiency/low operating cur-
rent for 54 Mbps 802.11a applications
- ~11% @ POUT = 24 dBm for 802.11a OFDM
• Gain:
- Typically 31 dB gain across 5.1–5.9 GHz
• Idle current
- ~290 mA ICQ
• High-speed power-up/down
- Turn on/off time (10%-90%) <100 ns
• Shut-down current (~2 µA)
• On-chip power detection
- 20 dB linear dynamic range
- VSWR insensitive
• All devices are RoHS compliant
Applications
• WLAN (IEEE 802.11a/n/ac)
• HyperLAN2
• Multimedia
Product Description
SST11CP22 is a 50, RF-matched power amplifier
module (PAM) with a FCC-compliant harmonic filter
that is based on the highly-reliable InGaP/GaAs HBT
technology.
Operating over the 5.1–5.9 GHz frequency band,
SST11CP22 meets 802.11a spectrum mask require-
ments up to 24 dBm and 802.11n HT40 spectrum mask
at 23.5 dBm. With 802.11a modulation, this PA typically
provides up to 20.5 dBm with 3% EVM, and provides
19 dBM with less tan 1.8% dynamic EVM using
802.11ac modulation, MCS9, 80 MHz bandwidth.
This power amplifier module also features easy board-level
operation, with a simple application circuit requiring only four
external components. With its high-speed power-up/-down
control and low enable control current of less than 3 mA,
SST11CP22 is controllable directly from the baseband chip.
SST11CP22 also features a wide dynamic-range, linear
power detector that is temperature-stable and VSWR-
insensitive.
SST11CP22 is offered in 20-contact QFN package. See
Figure 2-1 for pin assignments and Table 2-1 for pin
descriptions.
2013 Microchip Technology Inc.
Preliminary
DS70005126A-page 1



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SST11CP22
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The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
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DS70005126A-page 2
Preliminary
2013 Microchip Technology Inc.



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1.0 FUNCTIONAL BLOCKS
FIGURE 1-1:
FUNCTIONAL BLOCK DIAGRAM
SST11CP22
20 19 18 17 16
NC 1
GND 2
RF-IN 3
GND 4
PEN 5
Input
Match
Output
Match/
Filter
Bias Circuit
15 GND
14 GND
13 RFOUT
12 GND
11 GND
6 7 8 9 10
70005126 B1.0
2013 Microchip Technology Inc.
Preliminary
DS70005126A-page 3



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SST11CP22
2.0 PIN ASSIGNMENTS
FIGURE 2-1:
PIN ASSIGNMENTS FOR 20-CONTACT UQFN
20 19 18 17 16
NC 1
GND 2
RF-IN 3
GND 4
PEN 5
15 GND
14 GND
13 RFOUT
12 GND
11 GND
6 7 8 9 10
70005126 P1.0
TABLE 2-1:
Symbol
GND
NC
GND
RFIN
GND
PEN
NC
NC
NC
NC
DET
GND
GND
RF OUT
GND
GND
GND
GND
VCC3
VCC2
VCC1
PIN DESCRIPTION
Pin No. Pin Name
0 Center ground contact
1 No Connection
2 Ground
3 RF input
4 Ground
5 PA enable
6 No Connection
7 No Connection
8 No Connection
9 No Connection
10 TX detector output
11 Ground
12 Ground
13 RF Out
14 Ground
15 Ground
16 Ground
17 Ground
18 PA supply
19 PA supply
20 PA supply
Function
The center pad should be connected to RF ground with sev-
eral low inductance, low resistance vias.
Unconnected, no internal connection
RF input port
PA enable control input
Unconnected, no internal connection
Unconnected, no internal connection
Unconnected, no internal connection
Unconnected, no internal connection
TX detector output
RF Output port
PA Supply
PA Supply
PA Supply
DS70005126A-page 4
Preliminary
2013 Microchip Technology Inc.



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SST11CP22 5.1-5.9 GHz High-Power 11ac WLAN Power Amplifier SST11CP22
Microchip
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