Gain Control Amplifier Description CXA3222N gain control amplifie

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Gain Control Amplifier Description CXA3222N gain control amplifie

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CXA3222N
Gain Control Amplifier
Description CXA3222N gain control amplifier suitable CDMA cellular/PCS phone. Features Wide gain control range Linear gain slope Wideband operation (50MHz 300MHz) Very small package SSOP) voltage operation High output Power save function included Absolute Maximum Ratings Supply voltage Operating temperature Topr +125 Storage temperature Tstg +150 Supply voltage range -0.3 Logic input voltage -0.3 Signal input voltage -0.3 Differental signal input voltage Operating Condition Supply voltage Applications CDMA cellular/PCS phone Structure Bipolar silicon monolithic SSOP (Plastic)
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.
E97810-PS
CXA3222N
Block Diagram
Input
CDMA CDMA
OUTX
Output
Gain control
GCTL
Supply Voltage
Bias Driver
Ground
Power Save
Configuration
CDMA
GCTL
CDMA
OUTX
CXA3222N
Description Symbol voltage Equivalent circuit Description
CDMA
Differential input pins CDMA transmit signal. CDMA
VCC1
Ground.
135k
Power save function pin. High: Active Low: Power save
VCC2
OUTX
12.25k
12.25k
Differential output pins transmit signal. Open collector output.
VCC1
Positive power supply.
GCTL
Gain control pin.
CXA3222N
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 3.0V, Vgctl 1.5V, Vpsv Vgctl 1.5V, Vpsv 3.0V Vpsv Vgctl 3.0V Vgctl 0.5V (VCC 3.0V, 27°C) Min. Typ. Max. Unit 15.7 21.5
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 130.38MHz, level -22.5dBm, Vgctl 2.3V Vgctl 1.5V Vgctl 1.0V Vgctl 0.7V Gain Vgctl 2.0V Gain Vgctl 1.0V 15dB1 129.38MHz, 131.38MHz Measure 130.38MHz 15dB1 Measure 130.38MHz Conditions
(VCC 3.0V, 27°C) Min. Typ. Max. Unit dB/V
-8.5 -4.5
Adjust GCTL voltage, overall gain 15dB.
CXA3222N
Measurement Circuit
CDMA INPUT 1000p 1000p
CDMA GCTL 0.01µ
CDMA 0.01µ
820n3
820n3
OUTPUT 2.1k
OUTX
TOKO, Inc. B5FL 616DS-1135 Coilcraft, Inc. 1008HS-102TKBC Coilcraft, Inc. 1008HS-821TKBC
Application Circuit
0.01µ 1000p CDMA CDMA INPUT CDMA 1000p Active Sleep OUTX 0.01µ GCTL 100p
Gain Control Voltage
1000p OUTPUT 1000p
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.
CXA3222N
Design Reference Values Single ended measurement Item Input resistance Input capacitance Output resistance Output capacitance Symbol Rout Cout 130.38MHz, Vgctl 1.5V Conditions (VCC 3.0V, 27°C) Typ. 0.92 Unit
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.
CXA3222N
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]
CXA3222N
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

Gain Control Amplifier Description CXA3222N gain control amplifie

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