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Sony Semiconductor Electronic Components Datasheet

CXA3555N Datasheet

All Band Tuner IC with On-chip PLL

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CXA3555N pdf
CXA3555N
All Band Tuner IC with On-chip PLL
Description
The CXA3555N 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.
30 pin SSOP (Plastic)
Features
Low power consumption (5V, 63mA typ.)
Low noise figure, low distortion characteristics
High gain/low gain selectable
Supports IF double-tuned/adjacent channel trap
Balanced oscillator circuits (3 sets) with excellent
oscillation stability
On-chip PLL supports I2C bus
On-chip high voltage drive transistor for charge
pump
Frequency step selectable from 31.25, 50 or
62.5kHz (when using a 4MHz crystal)
Low-phase noise synthesizer
On-chip 4-output band switch (output voltage: 5V,
current capacity: 5mA)
30-pin SSOP small package
Absolute Maximum Ratings
Supply voltage
VCC
Operating temperature Topr
Storage temperature Tstg
Allowable power dissipation
PD
–0.3 to +5.5
–25 to +75
–55 to +150
V
°C
°C
580 mW
Operating Conditions
Supply voltage
VCC
4.75 to 5.30
V
Applications
TV tuners
VCR tuners
CATV tuners
Structure
Bipolar silicon monolithic IC
Note: This IC has pins whose electrostatic discharge strength is weak as the operating frequency is high
and the high-frequency process is used for this IC. Take care of handling the 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–
E01326-PS


Sony Semiconductor Electronic Components Datasheet

CXA3555N Datasheet

All Band Tuner IC with On-chip PLL

No Preview Available !

CXA3555N pdf
Block Diagram and Pin Configuration
CXA3555N
SCL 1
SDA 2
BS1 3
BS2 4
IFIN1 5
IFIN2 6
Vcc 7
MIXOUT1 8
MIXOUT2 9
GND1 10
VHFIN 11
BYP 12
BS4 13
UHFIN1 14
UHFIN2 15
IF AMP
I2C BUS
Interface
Shift
Register
Divider
1/128, 160, 256
REF
OSC
Band SW
Driver
Phase
Detector
Charge
Pump
Programable
Divider
14/15 bit
Prescaler
1/2
UHF/VHF
MIX
–2–
UHFOSC
VHOSC
VLOSC
30 IFOUT
29 ADSW
28 BS3
REF
27 OSC
26 CPO
25 VT
24 GND2
23 UOSCB2
22 UOSCE2
21 UOSCE1
20 UOSCB1
19 VHOSC2
18 VLOSC2
17 VHOSC1
16 VLOSC1


Part Number CXA3555N
Description All Band Tuner IC with On-chip PLL
Maker Sony Corporation
Total Page 28 Pages
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