All Band TV Tuner IC (VHF-CATV-UHF)
CXA1665AM/AM-S
All Band TV Tuner IC (VHF-CATV-UHF)
Description The CXA1665AM/AM-S is a single chip TV tuner IC which per...
Description
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 Topr –20 to +75
V °C
Block Diagram and Pin Configuration (Top View)
UOSC B2 UOSC E2 UOSC E1 VOSC C
UOSC B1/SW
UHF IN2
16
15
14
13
REG
12
11
10
SW
UHF OSC
UHF MIX
VHF OSC – IF + AMP 1 2 3 4 5 V. REG 6
VHF MIX
7
MIX OUT1
MIX OUT2
IF OUT
GND
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