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ATR4255

Features: • FM Double-conversion System• Integrated Second IF Filter with Software-controlled Bandwidth• Completely Integrated FM Demodulator• Soft Mute and Multipath Noise Cancellation• Receiving Condition Analyzer• AM Up/Down-conversion System • AM Pream...

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SeekIC No. : 004291509 Detail

ATR4255: Features: • FM Double-conversion System• Integrated Second IF Filter with Software-controlled Bandwidth• Completely Integrated FM Demodulator• Soft Mute and Multipath Noise C...

ATR4255 Data Sheet

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Part Number:
ATR4255
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• FM Double-conversion System
• Integrated Second IF Filter with Software-controlled Bandwidth
• Completely Integrated FM Demodulator
• Soft Mute and Multipath Noise Cancellation
• Receiving Condition Analyzer
• AM Up/Down-conversion System 
• AM Preamplifier with AGC and Stereo Capability
• 3-wire Bus Controlled
• Search Stop Signal Generation for AM and FM
• Automatic Alignment Possible
• Lead-free Package


Pinout

Connection Diagram


Specifications

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Parameters
Symbol
Value
Unit
Supply voltage, pin 42
VS
10
V
Power dissipation
Ptot
1000
mW
Junction temperature
Tj
150
°C
Ambient temperature range
Tamb
-40 to +85
°C
Storage temperature range
Tstg
-50 to +150
°C



Description

The ATR4255 is a highly integrated AM/FM front-end circuit manufactured using Atmel's advanced BICMOS technology. It represents a complete, automatically adjust-able AM/FM front end, containing a double-conversion system for FM and an  up/down-conversion receiver for AM with IF1 = 10.7 MHz and IF2 = 450 kHz. The front end is suitable for digital or analog AF-signal processing. Together with the PLL U4256BM, an automatically aligned high-performance AM/FM tuner can be built. These ICs are dedicated for highly sophisticated car radio applications.




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