CXA2139S
A high-performance FM/AM radio tuner IC for automotive applications.CXA2139S
A high-performance FM/AM radio tuner IC for automotive applications.
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CXA2139S 數據表
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詳細說明
The CXA2139S is a high-performance FM/AM tuner IC designed for car audio systems. It features a low noise figure of 2.5 dB for FM reception and 6.5 dB for AM reception, ensuring clear and stable radio reception. The IC operates within a frequency range of 76 MHz to 108 MHz for FM and 525 kHz to 1605 kHz for AM, covering a wide range of radio frequencies.The CXA2139S is equipped with a built-in IF amplifier, eliminating the need for external components and simplifying the design process. It also features a built-in FM IF counter and AM IF counter, which help in accurate frequency tuning and signal processing. The IC supports both digital and analog audio outputs, providing flexibility in audio signal processing.Additionally, the CXA2139S boasts a low power consumption of 30 mA, making it ideal for battery-powered applications. It also has built-in over-voltage protection and thermal shutdown features, ensuring the safety and reliability of the device.
主要特徵
- Highly integrated RF tuner for digital terrestrial television reception
- Supports VSB (8VSB) and QAM demodulation
- Low power consumption and small footprint
- Includes on-chip IF filter and AGC circuit
- Operates from a single 3.3V power supply
- Highly sensitive receiver for improved reception
應用
- Satellite TV receivers
- Cable TV set-top boxes
- Digital video recorders (DVRs)
- Digital terrestrial TV receivers
- Personal video recorders (PVRs)
- Integrated digital TV (iDTV) sets
- HD DVD players
- Blu-ray disc players
- Home theater systems
- PC TV tuner cards
常見問題解答
What is CXA2139S?
The CXA2139S is a monolithic FM/AM radio receiver circuit manufactured by Sony. It is commonly used in portable radios, car stereos, and other consumer electronics devices that require FM/AM radio reception.
How Does CXA2139S Work?
The CXA2139S functions as a radio receiver circuit that can tune in and demodulate FM and AM radio signals. It includes components for amplifying, filtering, and decoding radio frequencies, providing audio output for speakers or headphones. The circuit is designed to provide reliable and clear radio reception in various environments.
How Many Pins does CXA2139S have and What are the Functions of the Pinout Configuration?
The CXA2139S is available in various package options with different pin configurations. However, a typical pinout configuration may include:
- VCC: Power supply pin.
- GND: Ground pin.
- ANT: Antenna input pin.
- IFOUT: Intermediate frequency output pin.
- AFC: Automatic frequency control pin.
- OUT: Audio output pin.
- VOLUME: Volume control pin.
What are the Pros and Cons of CXA2139S?
Pros:
- Integrated Solution: All-in-one radio receiver circuit simplifies design and implementation.
- FM/AM Support: Capable of receiving both FM and AM radio signals.
- Reliable Performance: Provides stable and clear radio reception quality.
- Low Power Consumption: Designed for efficiency in portable and battery-powered applications.
Cons:
- Limited Features: May lack advanced functionalities compared to more specialized radio receiver ICs.
- Package Variability: Different package options may require specific considerations for PCB layout.
Are There Any Equivalents/Alternatives to CXA2139S for Recommendation?
Alternatives to the CXA2139S for radio receiver applications include:
- The TEA5767 FM radio receiver module.
- The SI4730 AM/FM radio receiver IC from Silicon Labs.
推薦零件
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貨物週期: 3~7 天
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