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SKY77761-11 Datasheet Preview

SKY77761-11 Datasheet

Power Amplifier Module

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DATA SHEET
SKY77761-11 Power Amplifier Module for CDMA/ WCDMA/
HSDPA/ HSUPA/ HSPA+ Band I (1920–1980 MHz)
Applications
WCDMA handsets
HSDPA
HSUPA
HSPA+
CDMA2000
EVDO
Features
Low voltage positive bias
supply 3.0 V to 4.5 V
Good linearity
High efficiency
- 48% at 28.25 dBm
Large dynamic range
Small, low profile package
- 3 mm x 3 mm x 0.9 mm
- 10-pad configuration
Power down control
InGaP
Supports low collector
voltage operation
Digital Enable
No VREF required
CMOS compatible control
signals
Integrated Directional
Coupler
Description
The SKY77761-11 Power Amplifier Module (PAM) is a fully matched 10-pad surface mount module
developed for Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient
module packs full 19201980 MHz bandwidth coverage into a single compact package. Because of
high efficiencies attained throughout the entire power range, the SKY77761-11 delivers unsurpassed
talk-time advantages. The SKY77761-11 meets the stringent spectral linearity requirements of High
Speed Downlink Packet Access (HSDPA), and High Speed Uplink Packet Access (HSUPA) data
transmission with high power added efficiency. An integrated directional coupler eliminates the need
for any external coupler.
The Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all amplifier
active circuitry, including input and interstage matching circuits. The silicon CMOS support die,
providing precision biasing for the MMIC affords a true CMOS-compatible control interface. Output
match into a 50-ohm load, realized off-chip within the module package, optimizes efficiency and
power performance.
The SKY77761-11 is manufactured with SkyworksInGaP GaAs Heterojunction Bipolar Transistor
(HBT) process which provides for all positive voltage DC supply operation and maintains high
efficiency and good linearity. While primary bias to the SKY77761-11 can be supplied directly from
any suitable battery with an output of 3.2 V to 4.2 V, optimal performance is obtained with VCC2
sourced from a DC-DC power supply adjusted within 0.5 V to 3.6 V based on target output power
levels. Power down executes by setting VENABLE to zero volts. No external supply side switch is
needed as typical offleakage is 1 µA with full primary voltage supplied from the battery.
Figure 1. SKY77761-11 Functional Block Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201706E • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • August 10, 2012
1




Skyworks Solutions

SKY77761-11 Datasheet Preview

SKY77761-11 Datasheet

Power Amplifier Module

No Preview Available !

DATA SHEET
Electrical Specifications
The following tables list the electrical characteristics of the
SKY77761-11 Power Amplifier. Table 1 lists the absolute
maximum ratings and Table 2 shows the recommended operating
conditions. Electrical specifications for nominal operating
SKY77761-11 POWER AMPLIFIER MODULE for CDMA/ WCDMA/
HSDPA/ HSUPA/ HSPA+ BAND I (1920–1980 MHz)
conditions are listed in Table 4. Table 3 presents a truth table for
the power settings. Tables 5 through 8 provide the standard test
configurations for WCDMA (STC1), HSDPA (STC2), and HSUPA
(STC3, STC4) respectively.
Table 1. Absolute Maximum Operating Conditions
No damage assuming only one parameter set at limit at a time with all other parameters set at nominal value.
Parameter
Symbol
Minimum
Nominal
Maximum
RF Input Power
Supply Voltage
Enable Control Voltage
Mode Control Voltage
Case Temperature1
PIN
No RF VCC1
With RF VCC2
VEN
VMODE0
VMODE1
Operating TCASE
Storage TSTG
0 10
3.4 6.0
— — 4.6
1.8 4.2
1.8 4.2
1.8 4.2
30 25 +110
40 — +150
1 Case Operating Temperature (TCASE) refers to the temperature of the GROUND PAD at the underside of the package.
Unit
dBm
Volts
Volts
Volts
°C
Table 2. Recommended Operating Conditions
Parameter
Symbol
RF Output Power1 WCDMA
POUT_MAX
HSDPA
HSUPA
CDMA2000 (30 °C to +50 °C)
CDMA2000 (+85 °C)
Operating Frequency
Supply Voltage2
ƒO
VCC1
VCC2
Enable Control Voltage
Low VEN_L
High VEN_H
Mode Control Voltage
Low VMODE0
VMODE1
High VMODE0
Case Operating Temperature3
VMODE1
TCASE
Minimum
1920
3.0
0.5
0.0
1.35
0.0
0.0
1.35
1.35
20
Nominal
1950
3.4
0.0
1.8
0.0
0.0
1.8
1.8
+25
1 0.5 dB output power back-off when 3.2 V ≤ VCC2 < 3.4 V.
2 Specifications in Table 4 are specified at VCC1 = 3.2 V4.2 V.
3 Equivalent to 30 °C to +75 °C Ambient Operating Temperature.
Maximum
28.25
27.25
24.65
27.75
25.75
1980
4.5
3.6
0.5
3.1
0.5
0.5
3.1
3.1
+85
Unit
dBm
MHz
Volts
Volts
Volts
°C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2 August 10, 2012 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 201706E


Part Number SKY77761-11
Description Power Amplifier Module
Maker Skyworks Solutions
Total Page 12 Pages
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