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U4454B

Features: · PLL intercarrier-mixer for all FM standards (incl. NICAM sound system)· High grade signal processing for FM/NICAM sound systems· Also suitable as AM-demodulator· Gain controlled wideband amplifier· AGC operates as a peak- and mean-level detector· High input sensitivity· Wide supply vol...

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SeekIC No. : 004534899 Detail

U4454B: Features: · PLL intercarrier-mixer for all FM standards (incl. NICAM sound system)· High grade signal processing for FM/NICAM sound systems· Also suitable as AM-demodulator· Gain controlled wideband...

U4454B Data Sheet

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Part Number:
U4454B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/7

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Product Details

Description



Features:

· PLL intercarrier-mixer for all FM standards (incl. NICAM sound system)
· High grade signal processing for FM/NICAM sound systems
· Also suitable as AM-demodulator
· Gain controlled wideband amplifier
· AGC operates as a peak- and mean-level detector
· High input sensitivity
· Wide supply voltage range (6.8 V up to 13 V)
· Low power consumption
· ESD protection


Pinout

Connection Diagram


Specifications

Reference point Pin 4, unless otherwise specified
Parametrs
Symbol
Value
Unit
Supply voltage Pin14
VS
6.8to13.0
V
Supply current Pin14
IS
55
mA
Output current Pin6
Iout
5.0
mA
Maximum power dissipation
P
720
mW
Junction temperature
Tj
+125



Description

The U4454B quasi-split-sound processor is a bipolar integrated circuit for all FM-TV standards and NICAM sound systems. For FM/NICAM the IC operates as QSS-mixer. In case of AM sound the circuit can be used as AM  demodulator.




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