DATA SHEET
CX65104: 700 – 1000 MHz Linear Power Amplifier
Applications
•
AMPS/CDMA/TDMA/GSM
•
Repeaters
•
WLL and ISM bands
•
Mobile radio
•
Paging
•
Telematics
Description
Skyworks CX65104 Power Amplifier (PA) is a fully matched, 8-pin
Leadless Chip Carrier (LCC) surface mount module, developed for
cellular, Wireless Local Loop (WLL), and Industrial, Scientific,
Medical (ISM) applications. This small, power-efficient PA has a
full 700 to 1000 MHz bandwidth coverage packed into a single
compact package.
All active circuitry in the module is contained in a single Gallium
Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC).
The CX65104 is manufactured with Skyworks Aluminum (Al) GaAs
Heterojunction Bipolar Transistor (HBT) process, which allows for
single supply operation while maintaining high efficiency and
good linearity.
Figure 1 shows a functional block diagram for the CX65104. The
device package and pinout are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
Features
•
Typical P
OUT
of 31 dBm
•
High linearity
•
Low power consumption
•
Single +5 V supply
•
8-pin LCC 8 x 8 mm package
VCC1
8
VCC2
4
Driver Amp
Bias
Power Amp
Bias
RFIN
2
Input Match
PA
Interstage Match
PA
Output Match
6
RFOUT
GND
1, 3, 5, 7
C1220a
Figure 1. CX65104 Functional Block Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
101475F • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • July 15, 2004
1
DATA SHEET • CX65104
GND
RFIN
GND
1
2
3
4
VCC1
8
7
6
5
GND
RFOUT
GND
VCC2
S385
Figure 2. CX65104 Pinout– 8-Pin LCC Package
(Top View)
Table 1. CX65104 Signal Descriptions
Pin #
1
2
3
4
GND
RFIN
GND
VCC2
Name
Ground
RF input
Ground
Supply voltage
Description
Pin #
5
6
7
8
GND
RFOUT
GND
VCC1
Name
Ground
RF output
Ground
Supply voltage
Description
Technical Description
The CX65104 is comprised of two amplifier stages. The matching
circuits for the input stage, inter-stage, and output stage are
contained within the device. The bias circuits for both input and
output stages are included within the device for optimum
temperature tracking performance.
The CX65104 is internally matched for optimum linearity and
efficiency. The input and output stages are independently
supplied using the VCC1 and VCC2 supply lines, pins 8 and 4
respectively.
ensure that the part is not subjected to a temperature that
exceeds 300
°C
for more than 10 seconds.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format. For packaging details, refer to the Skyworks
Application Note,
Tape and Reel,
document number 101568.
Electrical and Mechanical Specifications
The absolute maximum ratings of the CX65104 are provided in
Table 2. The recommended operating conditions are specified in
Table 3 and electrical specifications are provided in Table 4.
Typical performance characteristics over temperature of the
CX65104 are illustrated in Figures 3 through 8.
Figure 9 shows the package dimensions for the 8-pin CX65104
LCC and Figure 10 provides the tape and reel dimensions.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. Instructions on the
shipping container label regarding exposure to moisture after the
container seal is broken must be followed. Otherwise, problems
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
If the part is attached in a reflow oven, the temperature ramp rate
should not exceed 5
°C
per second. Maximum temperature
should not exceed 225
°C
and the time spent at a temperature
that exceeds 210
°C
should be limited to less than 10 seconds. If
the part is manually attached, precaution should be taken to
Electrostatic Discharge (ESD) Sensitivity
The CX65104 is a static-sensitive electronic device. Do not
operate or store near strong electrostatic fields. Take proper ESD
precautions.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
July 15, 2004 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 101475F
DATA SHEET • CX65104
Table 2. CX65104 Absolute Maximum Ratings
Parameter
RF input power
Supply voltage
Case operating temperature
Storage temperature
P
IN
V
CC
T
C
T
ST
–40
–55
Symbol
Min
Typical
Max
10
8.5
+85
+125
Units
dBm
V
°C
°C
Note:
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal values.
Table 3. CX65104 Recommended Operating Conditions
Parameter
Supply voltage
Operating frequency
VCC
F
O
700
Symbol
Min
Typical
5
900
1000
Max
Units
V
MHz
Table 4. CX65104 Electrical Characteristics
(VCC = 5.0 V, Frequency = 900 MHz, T
C
= 25 °C, unless otherwise noted)
Parameter
Analog Inputs
Frequency range
Quiescent current
Small signal gain
Output power
Efficiency
Noise Figure (NF)
Output IP3
I
Q
G
P
OUT
PAE
NF
OIP3
Two tones with 100 kHz
spacing, P
IN
= –5 dBm per
tone
f = 881.5 MHz,
750 kHz offset
37
P
IN
= –15 dBm
P
IN
= 3 dBm
P
IN
= 3 dBm
27
29.5
35
700
900
75
29
31.0
39
4
42
5
1000
100
MHz
mA
dB
dBm
%
dB
dBm
Symbol
Test Conditions
Min
Typical
Max
Units
P
OUT
@ ACPR = –45 dBc
P
OUT
_
ACPR
23
25
dBm
Note:
The above specifications apply only to the 900 MHz operating frequency.
33
32
41
39
37
-30C
Pout (dBm)
31
PAE (%)
35
33
31
29
27
-30C
25C
85C
30
29
28
27
0
1
2
3
4
5
25C
85C
0
1
2
3
4
5
Pin (dBm)
Pin (dBm)
Figure 3. Typical P
OUT
vs P
IN
Over Temperature
Figure 4. Typical PAE vs P
IN
Over Temperature
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
101475F • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • July 15, 2004
3
DATA SHEET • CX65104
6
5
50
40
OIP3 (dBm)
4
NF (dB)
-30C
30
-30C
25C
3
2
1
0
750
800
850
900
950
1000
25C
85C
20
85C
10
0
750
800
850
900
950
1000
Freq (MHz)
Freq (MHz)
Figure 5. Typical Noise Figure vs Frequency Over Temperature
Figure 6. Typical OIP3 vs Frequency Over Temperature
31
Small Signal Gain (dB)
30
29
-30C
28
27
26
25
750
800
850
900
950
1000
25C
85C
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00
750
800
850
900
950
1000
Freq (MHz)
Pout (dBm)
-30C
25C
85C
Freq (MHz)
Figure 7. Typical Small Signal Gain vs Frequency Over
Temperature
Figure 8. Typical P
OUT
vs Frequency Over Temperature
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4
July 15, 2004 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 101475F
DATA SHEET • CX65104
1.955 ± 0.155
1.45 ± 0.10
Pin 8
Pin 1
Pin 7
8.385 ± 0.125
Pin 2
7.875 ± 0.075
Pin 6
Pin 3
Pin 5
Pin 4
8.385 ± 0.125
0.51 ± 0.05
7.875 ± 0.075
3.30 (2X)
1.65 (2X)
3.30 (2X)
0.81 (12X)
DETAIL A
Note: pin 1 connects to ground
R.20 (8X)
3.99
3.94
Pin 9
R 2.54
1.91 (2X)
1.91 (2X)
SEE DETAIL A
0.61 (12X)
1.65 (2X)
3.99
3.94
COPPER BOTTOM
The bottom solder mask thickness = 0.063 maximum
All measurements are in millimeters
SOLDER MASK BOTTOM
C1201
Figure 9. CX65104 8-Pin LCC Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
101475F • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • July 15, 2004
5
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