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Sony Semiconductor Electronic Components Datasheet

CXA3176N Datasheet

IF Amplifier for FM Receiver (AFC Supported)

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CXA3176N pdf
CXA3176N
IF Amplifier for FM Receiver (AFC Supported)
Description
The CXA3176N is a low current consumption FM
IF amplifier which employs the newest bipolar
process. It is suitable for FM receiver using AFC.
24 pin SSOP (Plastic)
Features
Low current consumption :
0.95 mA (typ. at VCC1=1.4 V)
0.15 mA (typ. at VCC2=3.0 V)
Small package 24-pin SSOP
Second mixer and oscillator
Needless of IF decoupling capacitor
Reference power supply for operational amplifier
RSSI function (dynamic range of 70 dB)
• IF input, VCC standard
AFC function
Maximum input frequency : 30 MHz
Applications
FM receiver supporting AFC
Double conversion FM receiver
Absolute Maximum Ratings
Supply voltage
VCC
Operating temperature Topr
Storage temperature Tstg
Allowable power dissipation
PD
7.0
–20 to +75
–65 to +150
V
°C
°C
417 mW
Operating Condition
Supply voltage
VCC1
VCC2
1.1 to 4.0
2.5 to 4.0
V
V
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
24 23 22 21 20 19 18 17 16 15 14 13
22dB
GND
MIX
OSC
REG
LVA
AFC
IF_LIM
QUAD_DET
FILTER
RSSI
×4
1 2 3 4 5 6 7 8 9 10 11 12
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—
E96X14A8Z


Sony Semiconductor Electronic Components Datasheet

CXA3176N Datasheet

IF Amplifier for FM Receiver (AFC Supported)

No Preview Available !

CXA3176N pdf
CXA3176N
Pin Description
Pin
Symbol
No.
Pin
voltage
1 OSC IN
1.4 V
2 OSC OUT 0.7 V
3 MIX OUT 1.3 V
4 VCC1
5 IF IN
1.4 V
Equivalent circuit
VCC
15k 300
1
72 15k
2
1.5k
3
GND
VCC
Description
Connects the external parts of crystal
oscillator circuit.
A capacitor and crystal oscillator are
connected to these pins and VCC.
Mixer output.
Connect a 450 kHz ceramic filter
between this pin and IF IN.
1.5k 20k 20k
GND
VCC
1.5k
Power supply 1.
5 IF limiter amplifier input.
GND
6 AFC
6
7
7 AFC_C
AFC output.
VCC
GND Connects the capacitor that becomes
the AFC time constant.
—2—


Part Number CXA3176N
Description IF Amplifier for FM Receiver (AFC Supported)
Maker Sony Corporation
Total Page 21 Pages
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CXA3176N pdf
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