AWL6951 Datasheet PDF - ANADIGICS

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AWL6951
ANADIGICS

Part Number AWL6951
Description WLAN Power Amplifier
Page 22 Pages


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FEATURES
• 3.3 % EVM @ POUT = +19 dBm with IEEE 802.11a
64 QAM OFDM at 54 Mbps
• 2.9 % EVM @ POUT = +20 dBm with IEEE 802.11g
64 QAM OFDM at 54 Mbps
• -36 dBr ACPR 1st Sidelobe, +21 dBm, with 802.11b
CCK/DSSS Root Cosine Filtering, 1 Mbps
• -54 dBr ACPR 2nd Sidelobe, +21 dBm, with 802.11b
CCK/DSSS Root Cosine Filtering, 1 Mbps
• 32 dB of Linear Power Gain at 2.4 GHz
• 29 dB of Linear Power Gain at 5 GHz
• Single +3.3 V Supply
• Operational Voltage Range Extended to +4.4 V Max
• Dual Temperature-Compensated Linear Power
Detectors
• 50 - Matched RF Ports
• 1 kV ESD Rating (HBM)
• 4 mm x 4 mm x 1.3 mm Surface Mount Module
AWL6951
2.4/5 GHz 802.11a/b/g/n
WLAN Power Amplifier
Data Sheet - Rev 2.1
AWL6951
M22 Package
16 Pin 4 mm x 4 mm x 1.3 mm
Surface Mount Module
APPLICATIONS
• 802.11a/b/g/n WLAN: Notebooks, VoIP Handsets,
PDA Mobile Phones
PRODUCT DESCRIPTION
The ANADIGICS AWL6951 dual band power amplifier is The AWL6951 is manufactured using advanced InGaP
a high performance InGaP HBT power amplifier module HBT technology that offers state-of-the-art reliability,
designed for transmit applications in the 2.4-2.5 GHz temperature stability and ruggedness.
and 4.9-5.9 GHz band. Matched to 50 at all RF inputs
and outputs, the part requires no additional RF matching
components off-chip, making the AWL6951 the world’s
PA
GND On/Off
2.4 GHz
VCC Power Detector
simplest dual band PA module implementation available.
The PA exhibits unparalleled linearity and efficiency for
Bias Control
IEEE 802.11g, 802.11b and 802.11a WLAN systems
under the toughest signal configurations within these
2.4 GHz
RFIN
standards.
Matching
Network
Matching
Network
2.4 GHz
RFOUT
The power detectors are temperature compensated on
chip, enabling separate single-ended output voltages
for each band with excellent accuracy over a wide
range of operating temperatures. The PA is biased by
a single +3.3 V supply and consumes ultra-low current
in the OFF mode.
5 GHz
RFIN
Matching
Network
Matching
Network
Bias Control
GND PA
On/Off
VCC 5 GHz
Power Detector
5 GHz
RFOUT
09/2007
Figure 1: Block Diagram and Pinout



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AWL6951
Table 1: Pin Description
PIN NAME DESCRIPTION
1 GND Ground
2 GHz RF Input. ESD structures on this pin provide a DC path to ground. Avoid
2 RFIN 2G applying DC voltage to this pin. RF is internally matched to 50 and AC coupled to
the input stage. Route RF traces as coplanar waveguide using adjacent ground pins.
5 GHz RF Input. AC coupled input stage internally matched to 50 . Route as coplanar
3
RFIN 5G
waveguide using adjacent ground pins. Although the input stage is AC coupled, a
shunt inductive matching element included inside the PA provides a DC path to ground
at this pin.
4 GND Ground
5 GHz Power Control. Power amplifier power control pin. The recommended use is for
5
PAON 5G
on/off control of the PA. Nominally, 0 V applied will turn amplifier completely off; a
voltage of 2.0 V and above will set the PA to maximum output capability. Current draw
on this pin is approximately 0.5 mA at +3.3 V.
6 GND Ground
7 VCC 5G 5 GHz Supply Voltage. Bias for power transistors of the 5 GHz PA.
8
DETOUT 5G
5 GHz Power Detector Output. DC coupled power detector output. An emitter follower
BJT supplies the output for this pin. Output impedance is 2 k.
5 GHz RF Output. AC coupled output stage internally matched to 50 . Route as
9
RFOUT 5G
coplanar waveguide using adjacent ground pins. Although the output stage is AC
coupled, a shunt inductive matching element included inside the PA provides a DC
path to ground at this pin.
10 GND Ground
11 GND Ground
2 GHz RF Output. ESD structures on this pin provide a DC path to ground. Avoid
12 RFOUT 2G applying DC voltage to this pin. RF is internally matched to 50 and AC coupled to
the output stage. Route RF traces as coplanar waveguide using adjacent ground pins.
13
DETOUT 2G
2 GHz Power Detector Output. DC coupled power detector output. An emitter follower
BJT supplies the output for this pin. Output impedance is 2 k.
14 VCC 2G 2 GHz Power Supply. Bias for power transistors of the 2 GHz PA.
15 GND Ground
2 GHz Power Control. Power amplifier power control pin. The recommended use is for
16
PAON 2G
on/off control of the PA. Nominally, 0 V applied will turn amplifier completely off; a
voltage of 2.0 V and above will set the PA to maximum output capability. Current draw
on this pin is approximately 0.5 mA at +3.3 V.
2 Data Sheet - Rev 2.1
09/2007



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ELECTRICAL CHARACTERISTICS
AWL6951
PARAMETER
Table 2: Absolute Minimum and Maximum Ratings
MIN MAX UNIT
COMMENTS
DC Power Supply (VCC 2G, VCC 5G)
- +5.0
V
Power Control Voltage (PAON 2G, PAON 5G)
-
+5.0
V No RF signal applied
DC Current Consumption
- 700 mA Either PA powered separately
RF Input Level (RFIN 2G, RFIN 5G)
- -5 dBm
Operating Case Temperature
-40 +85
°C
Storage Temperature
-55 +150
°C
ESD Tolerance
1000
-
V
All pins, forward and reverse
voltage. Human body model.
Stresses in excess of the absolute ratings may cause permanent damage. Functional operation is not implied under
these conditions. Exposure to absolute ratings for extended periods of time may adversely affect reliability.
Table 3: Operating Ranges
PARAMETER
MIN TYP MAX UNIT
COMMENTS
Operating Frequency (f)
2400
4900
-
-
2500
5900
MHz
802.11b/g
802.11a
DC Power Supply Voltage (VCC 2G, VCC 5G) +3.0 +3.3 +4.4
V with RF applied
Power Control Voltage (PAON 2G, PAON 5G)
+2.0
0
+3.3
-
+4.4
+0.8
V
PA "ON"
PA "SHUTDOWN"
Case Temperature (TC)
-40 - +85 °C
The device may be operated safely over these conditions; however, parametric performance is guaranteed only
over the conditions defined in the electrical specifications.
Data Sheet - Rev 2.1
09/2007
3



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AWL6951
Table 4: Electrical Specifications - 2.4 GHz Continuous Wave
(TC = +25 °C, VCC 2G = +3.3 V, PAON 2G = +3.3 V)
PARAMETER
MIN TYP MAX UNIT COMMENTS
P1dB
Shutdown Current
Quiescent Current
Harmonics
2fO
3fO
Input Return Loss
Output Return Loss
Reverse Isolation
Stability (Spurious)
TON Setting Time
TOFF Setting Time
PAON 2G Pin Input
Impedance
24.5 27 - dBm
- 33 100 A PAON 2G = 0 V
-
64
80
mA
PAON 2G = +2.0 V, VCC 2G = +3.3 V
RF = off
-
-
-36
-23
-27
-17
dBm
POUT 2G = +23 dBm, fO = 2.45 GHz,
RBW = 1 MHz
- -14 -10 dB
- -7 -4 dB
40 - - dB
- - -60 dBc 6:1 VSWR, at POUT = +23 dBm, -5 OC
- - 1 S Settles within 0.5 dB
- - 1 S
- 6.2 -
kMeasured with +3.3 V applied to PAON 2G pin
4 Data Sheet - Rev 2.1
09/2007



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