Sony CXA3202N Datasheet
TX Gain Control Amplifier
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Description
CXA3202N is a TX gain control amplifier suitable
for CDMA cellular/PCS phone.
Features
• Wide gain control range
• Linear gain slope
• Wideband operation (50MHz to 300MHz)
• Very small package (16 Pin SSOP)
• Low voltage operation
• High output IP3
• Power save function included
Absolute Maximum Ratings
• Supply voltage VCC 6V
•Operating temperature Topr –55 to +125 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable Power dissipation PD 330 mW
• Supply voltage range –0.3 to 6 V
• Logic input voltage –0.3 to VCC + 0.3 V
• Signal input voltage –0.3 to VCC + 0.3 V
•
Differental signal input voltage
0 to 2.5 V
CXA3202N
16 pin SSOP (Plastic)
Operating Condition
Supply voltage VCC 2.7 to 3.8 V
Applications
CDMA cellular/PCS phone
Structure
Bipolar silicon monolithic IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E97808-PS
Block Diagram
CXA3202N
IF Input
Gain control
Supply Voltage
Ground
Power Save
CDMA IN
CDMA INX
GCTL
VCC1, 2
GND1, 2
PSV
Bias
Driver
OUT
OUTX
IF Output
Pin Configuration
CDMA IN
CDMA INX
NC
GND1
GND2
NC
NC
PSV
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
GCTL
NC
V
CC1
CC2
V
GND1
GND2
OUT
OUTX
9
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Pin Description
CXA3202N
Pin
No.
Symbol
1 CDMA IN
CDMA INX
2
3
6
NC
7
15
4
GND1
12
5
GND2
11
Pin voltage
TYP (V)
1.1
1.1
0
0
Equivalent circuit Description
40k40k
Differential input pins for CDMA
transmit IF signal.
GND
1
2
No connection.
Ground
Ground
VCC1
8 PSV
9 OUTX
10
OUT
13
VCC2
14
VCC1
—
—
—
3.0
3.0
8
135k
9
510
12.25k 12.25k
510
Power save function pin.
High: Active
Low: Power save
GND
10
VCC2
Differential output pins for transmit
IF signal.
Open collector output.
GND
Positive power supply for output
stage.
Positive power supply.
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