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Sony Semiconductor Electronic Components Datasheet

CXA1695L Datasheet

All Band TV Tuner IC (VHF-CATV-UHF)

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CXA1695L pdf
CXA1695L
All Band TV Tuner IC (VHF-CATV-UHF)
Description
The CXA1695L is a single chip TV tuner IC which
performs as an oscillator, mixer for VHF/CATV and
UHF bands. An IF amplifier is also provided.
This IC achieves a large reduction of external parts
in addition to miniaturizing the tuner and increasing
manufacturing productivity, reliability and design
efficiency.
This IC is pin-compatible with the CXA1594L with
improvement in noise figure and oscillation stability.
Features
• On-chip oscillator and mixer for UHF band
• Low noise figure
• Reduced spurious interference
• Superior cross modulation
• Stable oscillation characteristics
• Ultra small package ensures tuner miniaturization
Applications
• CTV tuner
• CATV UP-DOWN converter
16 pin SZIP (Plastic)
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
Vcc 11
V
• Storage temperature Tstg –55 to +150 °C
• Allowable power dissipation
PD 930 mW
(when mounted on board)
Operating Conditions
• Supply voltage
Vcc
• Operating temperature Topr
8.1 to 9.9
–20 to +75
V
°C
Block Diagram and Pin Configuration
IF AMP
+
VHF MIX
UHF MIX
SW
V
REG
VHF OSC
UHF OSC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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—
E92Y29A51-TE


Sony Semiconductor Electronic Components Datasheet

CXA1695L Datasheet

All Band TV Tuner IC (VHF-CATV-UHF)

No Preview Available !

CXA1695L pdf
Pin Description and Equivalent Circuit
Pin Typical pin
No. Symbol voltage (V)
Equivalent circuit
1 IF OUT Under VHF
operation
Vcc
8
4.4
Under UHF
operation
4.4
55
1
CXA1695L
Description
IF output.
2 VHF IN 1
4 VHF IN 2
3.2
3.3
3.2
2
3k
VHF input.
Normally a decoupling
4 capacitor is connected at pin 2
3k to GND and pin 4 is used for
input.
3 MIX OUT 1
3.3
7.5
7.2
5 MIX OUT 2
7.5
Vcc
8
3
5
450 450
Mixer output and IF amplifier
input.
5k
5k
7.2
6 GND
0
7 SW 3V or more
0.4V or less
Vcc
8
40k
7
60k
GND
UHF/VHF switch pin.
Connect 9V source through
about a 10kresister for VHF
reception; 0V or leave open for
UHF.
—2—


Part Number CXA1695L
Description All Band TV Tuner IC (VHF-CATV-UHF)
Maker Sony Corporation
Total Page 10 Pages
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