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TDA7705
+BOMRF RCVR AM/FM 64LQFP
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제조업체ST마이크로일렉트로닉스(주)
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제조업체 부품 #TDA7705
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데이터시트 TDA7705 DataSheet
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패키지 LQFP-64
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재고5583
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사양
| 속성 | 가치 |
| Package / Case | Tray |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Modulationor Protocol | AM, FM |
| Applications | Automotive Audio |
| Current - Receiving | 220mA |
| Data Interface | PCB, Surface Mount |
| Antenna Connector | PCB, Surface Mount |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
Key features of the TDA7705 include multi-band support for AM, FM, and weather band, adaptive noise reduction, and automatic frequency control (AFC) for improved signal stability. It also includes stereo decoding and RDS (Radio Data System) support, enabling the display of station information and other data. The TDA7705 is typically used in car infotainment systems, providing reliable and high-quality radio performance. Its compact design and low power consumption make it suitable for integration into varied automotive platforms, meeting the stringent requirements of the automotive industry for durability and performance.
Equivalent
1. Silicon Labs Si474x series
2. NXP TEF6730 series
3. Texas Instruments DRV601/DRV602 for audio applications
4. MAX2175 from Maxim Integrated
When selecting an equivalent, consider the specific features and requirements of your application, such as frequency range, sensitivity, and additional functionalities like RDS or digital signal processing capabilities.
Features
1. Digital Signal Processing (DSP): Enhances audio quality and signal reception by reducing noise and interference.
2. Multi-band Support: Supports AM, FM, and Weather band frequencies, enabling comprehensive radio coverage.
3. RDS/RBDS Support: Decodes Radio Data System/Radio Broadcast Data System information, allowing for station identification and additional data services.
4. Automatic Gain Control (AGC): Adjusts the gain for optimal signal reception without manual intervention.
5. Stereo Decoding: Provides high-quality stereo sound for FM broadcasts.
6. Noise Blanking: Reduces impulse noise, improving listening experience.
7. Adaptive Soft Mute: Smoothly reduces audio volume in low-signal conditions to minimize noise.
8. Integrated IF Filter: Ensures selectivity and sensitivity, enhancing signal clarity.
9. Low Power Consumption: Designed for efficient energy use in automotive environments.
10. I2C Interface: Enables easy communication and control by external microcontrollers.
These features make the TDA7705 suitable for robust and reliable performance in car radios and similar applications.
Pinout
The key functions of the TDA7705 include:
1. AM/FM Receiver: It supports both AM and FM radio bands, offering high-performance radio signal processing.
2. Digital Signal Processing (DSP): The IC incorporates advanced DSP algorithms for demodulation and audio processing.
3. RDS/RBDS Processing: It can decode Radio Data System (RDS) and Radio Broadcast Data System (RBDS) information.
4. Integrated PLL: The phase-locked loop (PLL) synthesizer provides precise frequency control.
5. Noise Reduction: Features for suppression of noise and interference are included to enhance audio quality.
6. Microcontroller Interface: It supports interfaces for communication with external microcontrollers for control and data exchange.
The TDA7705 is primarily used in car radio applications, providing robust performance in reception and audio quality.