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NTE Electronics - Integrated Circuit FM Stereo Multiplex Decoder

Numéro de référence NTE722
Description Integrated Circuit FM Stereo Multiplex Decoder
Fabricant NTE Electronics 
Logo NTE Electronics 





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NTE722 fiche technique
NTE722
Integrated Circuit
FM Stereo Multiplex Decoder
Description:
The NTE722 is a monolithic FM Stereo Multiplex Decoder System in a 14–Lead DIP type package.
This integrated circuit demodulated a stereo multiplex signal into the right and left audio channels
while inherently suppressing SCA frequency components. Internal provision is made for driving an
external stereo mode indicator lamp. The excellent performance and wide supply range requirement
make the NTE722 suitable for all line–operated and automotive FM stereo multiplex applications.
Features:
D 45dB Channel Separation
D 55dB Storcast Rejection without SCA Filters
D High Current Stereo Indicator Lamp Driver
D Operation with 8V to 14V Supplies
Absolute Maximum Ratings:
Supply Voltage (Note 1), V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Voltage at Stereo Lamp Driver Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V
Current into Stereo Lamp Driver Terminal (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Internal Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Lead Temperature (During Soldering, 10sec max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
Note 1. Power supply transients up to 22V are permissible for periods of 15 seconds. However, ex-
tended operation at voltages greater than 15V should be avoided as the maximum allowable
internal power dissipation for this device may be exceeded.
Note 2. Rating applies to steady state current. Maximum permissible surge current during turn–on
of the Stereo Indicator Lamp is 500mA.

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