TEA0675T
Dolby Noise Reduction IC, Bipolar, PDSO24,TEA0675T
Dolby Noise Reduction IC, Bipolar, PDSO24,
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Service & Packaging
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TEA0675T DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
GENERAL DESCRIPTIONThe TEA0675 is a bipolar integrated circuit that provides two channels of Dolby B noise reduction for playback applications in car radios. It includes head and equalization amplifiers with electronically switchable time constants. Furthermore it includes electronically switchable inputs for tape drivers with reverse heads.This device also detects pauses of music in the Automatic Music Search (AMS) scan mode, for applications with an intelligent controlled tape driver, or AMS-latch mode, for applications with a simple controlled tape driver. For both modes, the delay time can be fixed externally by a resistor. The device operates with power supplies in the range of 7.6 to 12 V, output overload level increasing with increase in supply voltage.Current drain varies with the following variables: supply voltage noise reduction on/off AMS on/off. Because of this current drain variation it is advisable to use a regulated power supply or a supply with a long time constant.FEATURES• Dual noise reduction (NR) channels• Head pre-amplifiers• Reverse head switching• Automatic Music Search (AMS)• Music scan• Equalization with electronically switched time constants• Dolby reference level = 387.5 mV• 24 pins• Improved EMC behaviour.
Key Features
- Dual noise reduction (NR) channels
- Head pre-amplifiers
- Reverse head switching
- Automatic Music Search (AMS)
- Music scan
- Equalization with electronically switched time constants
- Dolby reference level = 387.5 mV
- 24 pins
- Improved EMC behaviour.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | Yes | Part Life Cycle Code | Transferred |
Reach Compliance Code | HTS Code ! | 8542.39.00.01 | |
Consumer IC Type | DOLBY NOISE REDUCTION IC | JESD-30 Code | R-PDSO-G24 |
Number of Terminals | 24 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
Package Code | SOP | Package Equivalence Code | SOP24,.4 |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
Peak Reflow Temperature (Cel) | 260 | Power Supplies ! | 10 V |
Qualification Status ! | Not Qualified | Supply Current-Max | 31 mA |
Surface Mount ! | YES | Technology | BIPOLAR |
Temperature Grade ! | INDUSTRIAL | Terminal Form ! | GULL WING |
Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TEA0675T?
The TEA0675T is a stereo audio processor integrated circuit (IC) designed by NXP Semiconductors. It is specifically tailored for use in car audio systems to enhance audio quality and provide various audio processing functionalities.
How Does TEA0675T Work?
The TEA0675T works by processing audio signals in the car audio system to improve audio quality and provide features such as tone control, volume control, and audio mixing. It integrates multiple audio processing functions into a single IC, making it suitable for compact and efficient audio system designs.
How Many Pins does TEA0675T have and What are the Functions of the Pinout Configuration?
The TEA0675T is housed in a 24-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Supply voltage pin.
- VSS: Ground pin.
- INL, INR: Analog audio input pins for left and right channels.
- OUTL, OUTR: Audio output pins for left and right channels.
- TONE, BAL, VOL: Control pins for tone adjustment, balance control, and volume control.
- SCL, SDA: I2C interface control pins.
- MUTE: Mute control pin.
- REFO, REFI: Reference voltage pins.
What are the Pros and Cons of TEA0675T?
Pros:
- Audio Processing Functions: Integrates multiple audio processing functions in a single IC, reducing external components and board space.
- I2C Interface: Supports control and configuration via the widely-used I2C interface for easy integration into digital systems.
- Enhanced Audio Quality: Improves audio quality through tone control, volume control, and other audio processing features.
- Stereo Operation: Designed for stereo audio processing, suitable for car audio applications.
- Efficient Design: Provides efficient and compact audio system designs for automotive applications.
Cons:
- Complexity: May require thorough understanding of audio processing principles for optimal use.
- Application Specific: Tailored for car audio systems and may not be suitable for general audio processing applications.
- External Components: May require external components such as filters or amplifiers for specific audio processing needs.
Are There Any Equivalents/Alternatives to TEA0675T for Recommendation?
- The TDA7313 from STMicroelectronics is a similar stereo audio processor IC with comparable features.
- Alternatives to the TEA0675T include the CXA1645P from Sony and the PT2314 from Princeton Technology Corporation.
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