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Sony Semiconductor Electronic Components Datasheet

CXA1665AM Datasheet

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

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CXA1665AM/AM-S
All Band TV Tuner IC (VHF-CATV-UHF)
Description
The CXA1665AM/AM-S 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 adopts a 16-pin SOP package in response
to the trend toward miniaturizing the tuner and
automatic IC mounting. This IC achieves a large
reduction of external parts in addition to
miniaturizing the tuner and increasing manufacturing
productivity, reliability and design efficiency.
Features
On-chip oscillator and mixer for UHF band
Low noise figure
Reduced spurious interference
Superior cross modulation distortion
Stable oscillating characteristics
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC 11
V
Storage temperature
Tstg –65 to +150 °C
Allowable power dissipation PD
980 mW
(When mounted on a board)
16 pin SOP (Plastic)
Structure
Bipolar silicon monolithic IC
Applications
CTV tuner
CATV UP-DOWN converter
FM detector for 2nd IF satellite broadcasts
Operation Conditions
Supply voltage
Operating temperature
VCC 9.0 ± 0.9 V
Topr –20 to +75 °C
Block Diagram and Pin Configuration (Top View)
16 15 14 13 12 11 10 9
SW UHF OSC
UHF MIX
VHF OSC
– IF
+ AMP
V.
REG
VHF MIX
123 456 78
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–
E95826A63-ST


Sony Semiconductor Electronic Components Datasheet

CXA1665AM Datasheet

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

No Preview Available !

CXA1665AM/AM-S
Pin Description and Equivalent Circuit
Pin
No.
Symbol
Typical
voltage (V)
Equivalent circuit
1 VOSC B
Under VHF
operating; 3.5
Under UHF
operating; 3.7
16 VOSC C
6.7
9.0
800
16
3k
25P
VCC
6
1
3k
2 GND
0
3 MIX OUT1
7.5
7.3
4 MIX OUT2
7.5
7.3
3
4
VCC
6
450 450
5k
5k
Description
VHF ocsillator.
GND
Mixer output and IF
amplifier input.
5 IF OUT
4.5
4.5
VCC
6
55
5
IF output.
6 VCC
9
Power supply.
–2–


Part Number CXA1665AM
Description All Band TV Tuner IC (VHF-CATV-UHF)
Maker Sony Corporation
Total Page 10 Pages
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1 CXA1665AM All Band TV Tuner IC (VHF-CATV-UHF)
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