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E98823A8Y
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.
Description
CXA3222AN is a TX gain control amplifier suitable
for CDMA cellular/PCS phone.
Features
· Wide gain control range
· Linear gain slope
· Wideband operation (50 MHz to 300 MHz)
· Very small package (8 Pin SSOP)
· Low voltage operation
· High output IP3
· Power save function included
Absolute Maximum Ratings
· Supply voltage
V
CC
6
V
· Operating temperature
Topr 55 to +125 °C
· Storage temperature
Tstg 65 to +150 °C
· Supply voltage range
0.3 to 6
V
· Logic input voltage
0.3 to V
CC
+ 0.3 V
· Signal input voltage
0.3 to V
CC
+ 0.3 V
· Differential signal input voltage
0 to 2.5
V
Operating Condition
Supply voltage
V
CC
2.7 to 3.8
V
Applications
CDMA cellular/PCS phone
Structure
Bipolar silicon monolithic IC
TX Gain Control Amplifier
8 pin SSOP (Plastic)
CXA3222AN
--2--
CXA3222AN
Block Diagram
Pin Configuration
OUT
OUTX
GCTL
V
CC
GND
PSV
CDMA IN
CDMA INX
Bias
Driver
IF Input
Gain control
Supply Voltage
Ground
Power Save
IF Output
3
6
1
8
4
5
2
7
CDMA IN
CDMA INX
GND
PSV
GCTL
V
CC
OUT
OUTX
--3--
CXA3222AN
Pin Description
Pin
Symbol
Pin voltage
Equivalent circuit
Description
No.
TYP (V)
1
2
3
4
5
6
7
8
CDMA IN
CDMA INX
GND
PSV
OUTX
OUT
V
CC
GCTL
1.1
1.1
0
--
--
--
3.0
--
40k
200
200
40k
1
2
V
CC
GND
135k
4
V
CC
GND
12.25k
510
510
12.25k
5
6
V
CC
GND
6k
6k
8k
8k
200
8
V
CC
GND
Differential input pins for CDMA
transmit IF signal.
Ground.
Power save function pin.
High: Active
Low: Power save
Differential output pins for transmit
IF signal.
Open collector output.
Positive power supply.
Gain control pin.
--4--
CXA3222AN
Electrical Characteristics
DC Characteristics
(V
CC
=3.0 V, Ta=27 °C)
Parameter
Current consumption 1
Current consumption 2
Input current pin 4H
Input current pin 4L
Input current pin 8H
Input current pin 8L
PSV high voltage
PSV low voltage
Symbol
I
CC
1
I
CC
2
IpsvH
IpsvL
IgctlH
IgctlL
VpsH
VpsL
Conditions
Vpsv=3.0 V, Vgctl=1.5 V, Pin 7
Vpsv=0 V, Vgctl=1.5 V, Pin 7
Vpsv=3.0 V
Vpsv=0 V
Vgctl=3.0 V
Vgctl=0.5 V
Pin 4
Pin 4
Min.
Typ.
Max.
Unit
10
15.7
21.5
mA
5
18
40
1
15
µA
1
1
2.5
V
0.5
Parameter
Operating frequency
range
Gain 2.3
Gain 1.5
Gain 1.0
Gain 0.7
Gain slope
Input level 3rd order
intercept point
Noise Figure
Symbol
Fr
G2.3
G1.5
G1.0
G0.7
G
CLIN
IIP3
NF
Conditions
f=130.38 MHz, level=22.5 dBm,
Vgctl=2.3 V
Vgctl=1.5 V
Vgctl=1.0 V
Vgctl=0.7 V
Gain at Vgctl=2.0 V Gain at Vgctl=1.0 V
G=15 dB
1
f1=129.38 MHz, f2=131.38 MHz
Measure of 130.38 MHz
G=15 dB
1
Measure of 130.38 MHz
Min.
Typ.
Max.
Unit
50
300
MHz
13
17
21
28
24
20
dB
58
54
50
75
70
65
57
60
63
dB/V
8.5
4.5
dBm
28
32
dB
AC Characteristics
(V
CC
=3.0 V, Ta=27 °C)
1
Adjust GCTL voltage, and set the overall gain to 15 dB.
--5--
CXA3222AN
Measurement Circuit
2k
1000p
1000p
1µ
1
CDMA
INPUT
A7
0.01µ
A4
A8
10k
0.01µ
V16
1
OUTPUT
1
CDMA IN
2
CDMA INX
3
GND
4
PSV
OUTX 5
OUT 6
V
CC
7
GCTL 8
V7
V4
2
8
2
0
n
3
8
2
0
n
3
1
TOKO, Inc. B5FL 616DS-1135
2
Coilcraft, Inc. 1008HS-102TKBC
3
Coilcraft, Inc. 1008HS-821TKBC
2.4k
Application Circuit
1k
0.01µ
0.01µ
Active
Sleep
1000p
1000p
8
GCTL
7
V
CC
6
OUT
5
OUTX
1
CDMA IN
2
CDMA INX
3
GND
4
PSV
V
CC
100p
1000p
1000p
Gain Control
Voltage
TX IF
OUTPUT
TX IF
INPUT
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for
any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
Must be adjusting values to result a best impedance matching between BPF filter and this IC.
--6--
CXA3222AN
Design Reference Values
Single ended measurement
(V
CC
=3.0 V, Ta=27 °C)
Item
Input resistance
Input capacitance
Output resistance
Output capacitance
Symbol
Rin
Cin
Rout
Cout
Conditions
f=130.38 MHz, Vgctl=1.5 V
Typ.
Unit
10
k
0.92
pF
6
k
0.9
pF
Notes on Operation
1) This IC is a wideband amplifier with wide gain control range. The decouping capacitors between GND Pin
and V
CC
Pin should be as close to the IC as possible.
2) The resistors connected to Pins 5 and 6 should be as close to the IC as possible.
3) This IC assumes the excellent characteristics when the differential input impedance between Pins 1 and 2
is 500
. Refer to the Measurement Circuit for the external element settings, etc.
4) Pay attention to handling this IC because its electrostatic discharge strength is weak.
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CXA3222AN
Gain Error from Room Temp
80
Power gain [dB]
0
20
40
6
4
2
2
4
6
G
a
i
n
e
r
r
o
r
[
d
B
]
T = 40°C
T = 85°C
V
CC
= 3.0V
0
60
40
20
IIP3
Power gain [dB]
60
20
0
20
40
15
10
5
0
5
10
15
I
I
P
3
[
d
B
m
]
T = 40°C
T = 27°C
T = 85°C
V
CC
= 3.0V
40
Sensitivity
0
Vgctl [V]
0.5
1
1.5
2
2.5
3
100
60
40
20
0
20
40
P
o
w
e
r
g
a
i
n
[
d
B
]
T = 40°C
T = 27°C
T = 85°C
80
3.5
V
CC
= 3.0V
V
CC
= 3.0V
Noise Figure
80
Power gain [dB]
60
20
0
20
20
30
40
50
60
70
N
o
i
s
e
f
i
g
u
r
e
[
d
B
]
40
80
90
V
CC
= 3.0V
T = 40°C
T = 27°C
T = 85°C
100
SONY CODE
EIAJ CODE
JEDEC CODE
PACKAGE MATERIAL
LEAD TREATMENT
LEAD MATERIAL
PACKAGE MASS
EPOXY RESIN
SOLDER / PALLADIUM
COPPER ALLOY
PACKAGE STRUCTURE
SSOP-8P-L01
PLATING
SSOP008-P-0044
0.04g
8PIN SSOP (PLASTIC)
0.24 0.07
+ 0.08
0.65
3.0 ± 0.1
4
.
4
±
0
.
1
1.25 0.1
+ 0.2
0.1
A
6
.
4
±
0
.
2
B
0.24 0.07
+ 0.08
(0.22)
0
.
1
7
0
.
0
1
5
+
0
.
0
2
5
(
0
.
1
5
)
0.1 ± 0.05
0.25
0° to 10°
0
.
6
±
0
.
1
5
(
0
.
5
)
1
4
5
8
0.13 M
DETAIL B
A
DETAIL
NOTE: Dimension "
" does not include mold protrusion.
Package Outline Unit : mm
CXA3222AN
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