Sony CXA3201N Datasheet
RX Gain Control Amplifier
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Description
CXA3201N is an RX 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
• Two input ports
• 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 + 0.3V
• Signal input voltage –0.3 to VCC + 0.3V
•
Differental signal input voltage
0 to 2.5 V
CXA3201N
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.
– 1 –
E97807-PS
Block Diagram
CXA3201N
IF Input for CDMA
IF Input for FM
Input Select
Gain control
Supply Voltage
Ground
Power Save
CDMA IN
CDMA INX
FM IN
FM INX
MODE
GCTL
VCC1, 2
GND
PSV
SWITCH
Bias
Driver
OUT
OUTX
IF Output
Pin Configuration
CDMA IN
CDMA INX
GND
FM IN
FM INX
GND
MODE
PSV
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
GCTL
CC1
V
V
CC1
CC2
V
GND
GND
OUTX
OUT
9
– 2 –
Pin Description
CXA3201N
Pin
No.
Symbol
1 CDMA IN
CDMA INX
2
3
6
GND
11
12
4 FM IN
Pin voltage
TYP (V)
1.15
1.15
0
1.15
Equivalent circuit Description
2k2k
Differential input pins for received
CDMA IF signal.
GND
1
2
Ground.
2k2k
Differential input pins for received
FM IF signal.
FM INX
5
7 MODE
8 PSV
1.15
—
—
GND
4
7
30k
5
V
CC1
Input select pin.
CDMA IN for High FM IN for Low.
GND
VCC1
Power save function pin.
8
135k
High: Active
Low: Power save
– 3 –
GND
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