Sony CXA3002N Datasheet
CXA3002N
For the availability of this product, please contact the sales office.
TX Gain Control Amplifier
Description
CXA3002N is a TX gain control amplifier for CDMA
cellular mobile phone.
Features
• Wide gain control range
• Linear gain slope
• High output IP3 Typ. +9dBm at Gain = 35dB
• Power save function included
Absolute Maximum Ratings
• Supply voltage VCC 6V
•Operating temperature Topr –40 to +85 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation PD 420 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
• Differential signal input voltage 0 to 2.5 V
24 pin SSOP (Plastic)
Operating Conditions
Supply voltage 3.1 to 3.8 V
Applications
• CDMA cellular mobile phone
• CDMA & AMPS cellular phone
Structure
Bipolar sillicon 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 –
E95712-PP
Block Diagram
CXA3002N
IF Input
Gain Control
Supply Voltage
Ground
Power Save
CDMAIN
CDMAINX
GCTL
VCC1, 2
GND1, 2
PSV
Bias
Driver
CXA3002N
OUT
OUTX
BP1
BP2
IF Output
to External
Capacitor
– 2 –
Pin Configuration
NC PSV
1
CC1
V
2
24
23
CXA3002N
GCTL
GND1
3
NC
4
CDMAIN
CDMAINX
5
NC
6
CXA3002N
7
NC
8
NC
9
NC
10
NC
11
BP1 BP2
12
22
20
19
18
17
16
15
14
13
21
NC
NC
NC
OUTX
NC
OUT
NC
CC2
V
GND2
– 3 –
Pin Description
CXA3002N
Pin
No.
Symbol
Pin voltage
Typ. (V)
Equivalent circuit Description
1 N.C. No connection.
2VCC1 3.6 Positive power supply.
3 GND1 0 Ground.
4 N.C. No connection.
5 CDMAIN 1.9
V
CC1
Differential input pin for CDMA
transmit IF signal.
7 CDMAINX 1.9
6k6k
6
GND1
8
9
N.C.
20k20k
No connection.
10
11
13
12
3k3k
12 BP1 1.9
13 BP2 1.9
14 GND2 0
15 VCC2 3.6
16 N.C.
17
OUT
19 OUTX
5
19
4k 4k
Connected to GND with
capacitor 0.01µF.
7
Ground for output stage.
Positive power supply for
output stage.
No connection.
17
VCC2
200200
Differential output pins for
transmit IF signal.
Open collector output.
– 4 –
GND2
Loading...