Gain Control Amplifier Description CXA3222AN gain control amplifi
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CXA3222AN
Gain Control Amplifier
Description CXA3222AN gain control amplifier suitable CDMA cellular/PCS phone. Features Wide gain control range Linear gain slope Wideband operation MHz) Very small package SSOP) voltage operation High output Power save function included Absolute Maximum Ratings Supply voltage SSOP (Plastic)
Operating temperature Topr +125 Storage temperature Tstg +150 Supply voltage range -0.3 Logic input voltage -0.3 Signal input voltage -0.3 Differential signal input voltage
Operating Condition Supply voltage
Applications CDMA cellular/PCS phone Structure Bipolar silicon monolithic
Sony reserves right change products specifications without prior notice. This information does convey license implication otherwise under patents other right. Application circuits shown, any, typical examples illustrating operation devices. Sony cannot assume responsibility problems arising these circuits.
E98823A8Y
CXA3222AN
Block Diagram
Input
CDMA CDMA
OUTX
Output
Gain control
GCTL
Supply Voltage
Bias Driver
Ground
Power Save
Configuration
CDMA
GCTL
CDMA
OUTX
CXA3222AN
Description Symbol voltage Equivalent circuit
Description
CDMA
Differential input pins CDMA transmit signal.
CDMA
Ground.
135k
Power save function pin. High: Active Low: Power save
12.25k
OUTX
12.25k
Differential output pins transmit signal. Open collector output.
Positive power supply.
GCTL
Gain control pin.
CXA3222AN
Electrical Characteristics Characteristics Parameter Current consumption Current consumption Input current Input current Input current Input current high voltage voltage Symbol ICC1 ICC2 IpsvH IpsvL IgctlH IgctlL VpsH VpsL Conditions Vpsv=3.0 Vgctl=1.5 Vpsv=0 Vgctl=1.5 Vpsv=3.0 Vpsv=0 Vgctl=3.0 Vgctl=0.5 Min. (VCC=3.0 Ta=27 Typ. 15.7 Max. 21.5 Unit
Characteristics Parameter Operating frequency range Gain Gain Gain Gain Gain slope Input level order intercept point Noise Figure Symbol G2.3 G1.5 G1.0 G0.7 GCLIN IIP3 f=130.38 MHz, level=-22.5 dBm, Vgctl=2.3 Vgctl=1.5 Vgctl=1.0 Vgctl=0.7 Gain Vgctl=2.0 Gain Vgctl=1.0 G=15 f1=129.38 MHz, f2=131.38 Measure 130.38 G=15 Measure 130.38 Conditions Min. -8.5
(VCC=3.0 Ta=27 Typ. Max. -4.5 Unit
dB/V
Adjust GCTL voltage, overall gain
CXA3222AN
Measurement Circuit
1000p CDMA INPUT 1000p
CDMA GCTL 0.01µ
CDMA
820n3
2.4k
820n3
0.01µ
OUTPUT
OUTX
TOKO, Inc. B5FL 616DS-1135 Coilcraft, Inc. 1008HS-102TKBC Coilcraft, Inc. 1008HS-821TKBC
Application Circuit
0.01µ 1000p CDMA INPUT CDMA 1000p Active Sleep OUTX 1000p 0.01µ 1000p OUTPUT GCTL 100p
Gain Control Voltage
Must adjusting values result best impedance matching between filter this
Application circuits shown typical examples illustrating operation devices. Sony cannot assume responsibility problems arising these circuits infringement third party patent other right same.
CXA3222AN
Design Reference Values Single ended measurement Item Input resistance Input capacitance Output resistance Output capacitance Symbol Rout Cout Conditions (VCC=3.0 Ta=27 Typ. 0.92 Unit
f=130.38 MHz, Vgctl=1.5
Notes Operation This wideband amplifier with wide gain control range. decouping capacitors between should close possible. resistors connected Pins should close possible. This assumes excellent characteristics when differential input impedance between Pins 500. Refer Measurement Circuit external element settings, etc. attention handling this because electrostatic discharge strength weak.
CXA3222AN
Sensitivity 3.0V
IIP3 3.0V
Power gain [dB]
-100 Vgctl
IIP3 [dBm]
-40°C 27°C 85°C -40°C 27°C 85°C
Power gain [dB]
Noise Figure 3.0V
Gain Error from Room Temp 3.0V
Noise figure [dB]
Gain error [dB]
-40°C 27°C 85°C
-40°C 85°C
Power gain [dB]
Power gain [dB]
CXA3222AN
Package Outline
Unit
8PIN SSOP (PLASTIC)
1.25
0.65
0.08 0.24 0.07
0.25 0.13 0.05
(0.22)
(0.15) 0.025 0.17 0.015
0.08 0.24 0.07
DETAIL
DETAIL NOTE: Dimension does include mold protrusion.
PACKAGE STRUCTURE
PACKAGE MATERIAL SONY CODE EIAJ CODE JEDEC CODE SSOP-8P-L01 SSOP008-P-0044 LEAD TREATMENT LEAD MATERIAL PACKAGE MASS EPOXY RESIN SOLDER PALLADIUM PLATING COPPER ALLOY 0.04g
(0.5)
0.15
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