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Sony Semiconductor Electronic Components Datasheet

CXA3235 Datasheet

All Band TV Tuner IC with On-chip PLL

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CXA3235 pdf
CXA3235/3236N
All Band TV Tuner IC with On-chip PLL
Description
The CXA3235/3236N is a monolithic TV tuner IC
which integrates local oscillator and mixer circuits for
VHF band, local oscillator and mixer circuits for UHF
band, an IF amplifier and a tuning PLL onto a single
chip, enabling further miniaturization of the tuner.
The PLL on this IC supports the I2C bus format.
30 pin SSOP (Plastic)
Features
Low noise figure
• Low power consumption (5 V, 54 mA typ.)
On-chip tuning PLL (I2C bus format)
Selection of frequency steps 31.25 kHz, 50 kHz
and 62.5 kHz
On-chip 4-output band switch
Applications
TV tuners
VCR tuners
CATV tuners
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25 °C)
Supply voltage VCC1,VCC2 –0.3 to +5.5
V
VCC3 –0.3 to +10.0 V
Storage temperature
Tstg –55 to +150 °C
Allowable power dissipation
PD 880 mW
(when mounted on a substrate)
Operating Conditions
Supply voltage VCC1, VCC2
VCC3
Operating temperature
Topr
4.75 to 5.30
4.75 to 9.45
–25 to +75
V
V
°C
Note) Electrostatic discharge strength is weak, and care should be taken in handling this 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—
E97943A81-TE


Sony Semiconductor Electronic Components Datasheet

CXA3235 Datasheet

All Band TV Tuner IC with On-chip PLL

No Preview Available !

CXA3235 pdf
Block Diagram and Pin Configuration
CXA3235/3236N
SCL
SDA
ADSW
1
2
3
FMT 4
BVL 5
BVH 6
BU 7
VCC1 8
MIXout1 9
MIXout2 10
GND1 11
MS 12
VHFin 13
UHFin1 14
UHFin2 15
I2C BUS
Receiver
Shift
Register
Divider
1/512,640,1024
REF
OSC
Band
SW
Driver
USW
V.REG
Bias
IF AMP
VHF
MIX
UHF
MIX
Phase
Detector
Divider
14/15bit
Prescaler
1/8
Charge
Pump
LOCK
Det
Buffer
Buffer
UHF
OSC
Buffer
VHF
OSC
30 VCC3
29 REFOSC
28 CPO
27 CPE
26 LOCK
25 IF OUT
24 GND
23 VCC2
22 UOSCB2
21 UOSCE2
20 UOSCE1
19 UOSCB1
18 VOSC2
17 GND
16 VOSC1
—2—


Part Number CXA3235
Description All Band TV Tuner IC with On-chip PLL
Maker Sony Corporation
Total Page 23 Pages
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