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TDA3048
TDA3048 is a digital signal processor chip used for voice processing in telecommunications.
TDA3048
TDA3048 is a digital signal processor chip used for voice processing in telecommunications.
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TDA3048 數據表
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詳細說明
The TDA3048 is an integrated circuit (IC) specifically designed for use in AM/FM radio receivers. It is a fully integrated AM/FM IF system with a mixer/oscillator for AM reception and a double-conversion FM section. The IC is housed in a 16-pin dual in-line package (DIP) and typically requires an external supply voltage of 9V.The TDA3048 operates across a wide frequency range, with the AM section covering frequencies from 100 to 1600 kHz and the FM section covering 88 to 108 MHz. The chip incorporates an integrated AM demodulator and FM stereo decoder for high-quality audio output. It also features built-in automatic gain control (AGC) circuits for both AM and FM signals, ensuring consistent signal strength and clarity.In terms of performance, the TDA3048 offers excellent sensitivity and selectivity for both AM and FM reception. The IC is designed for easy integration into radio receiver designs, making it suitable for a range of consumer and automotive applications.
主要特徵
- Direct interface to dynamic mic and electret condenser mic
- Low noise signal conditioning circuitry
- Digitally controlled preamplifier with gain step options
- Low power consumption
- Automatic gain control with adjustable threshold
- Integrated AGC and ALC circuits
應用
- Automotive audio systems
- Portable and battery-powered devices
- Home entertainment systems
- Personal computers
- Telecommunication systems
- Industrial control systems
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Manufacturer | PHILIPS | Product Category ! | IC Chips |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is TDA3048?
The TDA3048 is a monolithic integrated circuit designed for use in AM/FM radio receiver applications. It is commonly used as an intermediate frequency (IF) amplifier and demodulator in radio tuner circuits.
How Does TDA3048 Work?
The TDA3048 works by amplifying and demodulating the intermediate frequency signals in AM/FM radio receivers. It includes built-in amplification stages and demodulation circuits to extract the audio information from the modulated RF signals, preparing the signal for further audio processing and amplification.
How Many Pins does TDA3048 have and What are the Functions of the Pinout Configuration?
The TDA3048 is housed in a 16-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- IN1, IN2: Differential inputs for the IF signal.
- GAIN1, GAIN2: Gain control pins for setting the amplification factor.
- VCC: Positive power supply pin.
- GND: Ground pin.
- OUT: Audio output pin.
- AF_IN: Audio frequency input pin for FM demodulation.
- VOX: Voice control input pin for muting the audio output.
What are the Pros and Cons of TDA3048?
Pros:
- Integrated Functions: Combines IF amplification and demodulation in a single integrated circuit, simplifying radio receiver design.
- Low External Component Count: Requires minimal external components for a complete IF processing stage.
- Audio Output: Provides a pre-processed audio output suitable for driving audio amplifiers and speakers.
- Reliable Performance: Offers consistent performance in radio receiver applications.
Cons:
- Single Purpose: Designed specifically for IF amplification and demodulation, limiting its application outside of radio receivers.
- Obsolete: Being an older IC, there may be limited availability and support for the TDA3048 compared to newer alternatives.
- External Components: May require additional filtering and tuning components for optimal performance in specific radio receiver designs.
Are There Any Equivalents/Alternatives to TDA3048 for Recommendation?
- The TDA7088T from STMicroelectronics is a similar IF amplifier and FM demodulator IC.
- Alternatives to the TDA3048 include the LA1260 from Sanyo and the TA7358AP from Toshiba.
