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T4258

Features: Receiving condition analyzerIntegrated band filter for 2nd IF; with software controlled bandwidthPin compatible with U4255BMFM-double conversion systemWorld tuner, US Weatherband, J-bandCompletely integrated FM demodulatorSoft mute and multipath noise cancellationAM up-/down conversion s...

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SeekIC No. : 004511143 Detail

T4258: Features: Receiving condition analyzerIntegrated band filter for 2nd IF; with software controlled bandwidthPin compatible with U4255BMFM-double conversion systemWorld tuner, US Weatherband, J-bandCo...

T4258 Data Sheet

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Part Number:
T4258
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: 2024/12/25

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Product Details

Description



Features:

Receiving condition analyzer
Integrated band filter for 2nd IF; with software controlled bandwidth
Pin compatible with U4255BM
FM-double conversion system
World tuner, US Weatherband, J-band 
Completely integrated FM demodulator
Soft mute and multipath noise cancellation
AM up-/down conversion system
AM stereo capability
Stop signal generation for AM and FM
Automatic alignment possible
3-wire bus controlled


Pinout

Connection Diagram


Specifications

Parameter Symbol Value Unit
Supply voltage Pin 42 VS 10 V
Power dissipation Ptot 1,0 W
Junction temperature Tj 150 °C
Ambient temperature range Tamb 40 to +85 °C
Storage temperature range Tstg 50 to +150 °C



Description

The T4258 is an integrated AM/FM frontend circuit in BICMOS technology. T4258 contains a double conversion system for FM and an up-/down conversion circuit for AM (IF1 = 10.7 MHz, IF2 = 450 kHz). A complete automatically aligned high performance AM/FM tuner can be built together with the PLL U4256BM. This ICs are designed for high performance car radio applications.

Electrostatic sensitive device T4258. Observe precautions for handling.




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