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AN7145M
Dual Function Audio Amplifier in Bipolar Configuration, PDIP18 Package
AN7145M
Dual Function Audio Amplifier in Bipolar Configuration, PDIP18 Package
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AN7145M 數據表
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詳細說明
The AN7145M is a dual channel audio power amplifier IC manufactured by Panasonic. It is specifically designed for use in car audio systems but can also be used in other applications requiring high power audio amplification.This amplifier IC has a maximum power output of 2.8 watts per channel into an 8-ohm load with a 10% total harmonic distortion. It operates on a supply voltage ranging from 8 to 18 volts and has a low quiescent current consumption of 20mA.The AN7145M features a built-in standby function that allows the amplifier to be switched on and off remotely, reducing power consumption when not in use. It also has thermal and overcurrent protection circuits to prevent damage to the IC and connected speakers.With a compact 9-pin SIP package, the AN7145M is easy to integrate into existing audio systems. It requires only a few additional external components, making it a cost-effective solution for adding high-quality audio amplification to automotive or other electronic devices.
主要特徵
- Low distortion
- Wide operating voltage range
- Low power consumption
- High signal-to-noise ratio
- Thermal shutdown protection circuit
- Compact and lightweight package
應用
- Audio amplifiers in TVs
- Audio amplifiers in radios
- Audio amplifiers in home stereo systems
- Audio amplifiers in portable music players
- Audio amplifiers in car stereos
- Headphone amplifiers
- Intercom systems
- Amplifiers in musical instruments
- Amplifiers in public address systems
- Amplifiers in televisions
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。
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.33.00.01 | Consumer IC Type | AUDIO AMPLIFIER |
| JESD-30 Code | R-PDIP-T18 | JESD-609 Code | e0 |
| Number of Functions | 2 | Number of Terminals | 18 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | -30 °C |
| Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
| Package Equivalence Code | DIP18,.3 | Package Shape | RECTANGULAR |
| Package Style | IN-LINE | Qualification Status ! | Not Qualified |
| Surface Mount ! | NO | Technology | BIPOLAR |
| Temperature Grade ! | OTHER | Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | DUAL |
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 AN7145M?
The AN7145M is a dual-channel audio power amplifier integrated circuit (IC) designed by Panasonic. It is commonly used in audio applications such as stereo amplifiers, portable speakers, and audio systems.
How Does AN7145M Work?
The AN7145M operates as a dual-channel audio power amplifier, amplifying audio signals from input sources to drive speakers or headphones. It features built-in protection circuits for overcurrent, overheating, and short-circuit conditions, ensuring reliable operation and speaker protection.
How Many Pins does AN7145M have and What are the Functions of the Pinout Configuration?
The AN7145M is housed in a 12-pin SIP (Single In-line Package) configuration. The pinout configuration includes:
- VCC: Positive power supply pin.
- GND: Ground pin.
- IN1, IN2: Input pins for the two amplifier channels.
- CT1, CT2: Capacitor connection pins for frequency response adjustment.
- OUT1, OUT2: Output pins for connection to speakers or headphones.
- VC, VS, STBY: Various control pins for volume control, shutdown mode, and standby functionality.
What are the Pros and Cons of AN7145M?
Pros:
- Dual-Channel Amplification: Supports two independent audio channels for stereo applications.
- Protection Circuits: Built-in protection against overcurrent, overheating, and short circuits for reliable operation.
- Compact SIP Package: Space-efficient package suitable for small audio devices.
- Wide Supply Voltage Range: Supports a range of supply voltages for flexibility in design.
- Easy to Use: Simplified design and application due to integrated amplifier functionality.
Cons:
- Power Limitations: May not be suitable for high-power audio applications.
- External Components: Additional external components may be required for certain configurations or features.
- Heat Dissipation: Heat dissipation considerations may be needed due to amplifier operation.
Are There Any Equivalents/Alternatives to AN7145M for Recommendation?
- The TDA7266 from STMicroelectronics is a comparable dual-channel audio amplifier IC.
- Alternatives to the AN7145M include the LM386 from Texas Instruments and the TEA2025B from NXP Semiconductors.
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