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Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Class D |
| OutputType | 1-Channel (Mono) |
| MaxOutputPowerxChannels@Load | 13W x 1 @ 4Ohm |
| Voltage-Supply | 8V ~ 28V |
| Features | Depop, Mute, Short-Circuit and Thermal Protection, Shutdown |
| MountingType | Surface Mount |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| SupplierDevicePackage | 24-TQFN (4x4) |
Обзор
Description
The MAX9737ETG+T is a high-efficiency, class D audio amplifier designed for portable and compact applications. It is produced by Maxim Integrated and is known for its low power consumption and high output efficiency, making it suitable for battery-powered devices. The amplifier operates from a single supply voltage ranging from 2.7V to 5.5V and can deliver up to 2 x 1.4W of output power into an 8Ω load with minimal distortion.
The MAX9737ETG+T features a fixed 20dB gain, low quiescent current, and low shutdown current, enhancing energy conservation. It also integrates advanced features such as click-and-pop suppression, thermal overload protection, and short-circuit protection to ensure reliable operation and high-quality audio output. The device comes in a compact 4mm x 4mm TQFN package, making it ideal for space-constrained applications. Additionally, its spread-spectrum modulation technology helps to minimize electromagnetic interference. Overall, the MAX9737ETG+T is well-suited for a wide range of consumer electronics, including smartphones, tablets, and portable speakers.
The MAX9737ETG+T features a fixed 20dB gain, low quiescent current, and low shutdown current, enhancing energy conservation. It also integrates advanced features such as click-and-pop suppression, thermal overload protection, and short-circuit protection to ensure reliable operation and high-quality audio output. The device comes in a compact 4mm x 4mm TQFN package, making it ideal for space-constrained applications. Additionally, its spread-spectrum modulation technology helps to minimize electromagnetic interference. Overall, the MAX9737ETG+T is well-suited for a wide range of consumer electronics, including smartphones, tablets, and portable speakers.
Equivalent
The MAX9737ETG+T is a Class D audio amplifier from Maxim Integrated. Equivalent products are likely to be other Class D audio amplifiers with similar power output and features. Some possible alternatives are:
1. Texas Instruments TPA3110D2
2. STMicroelectronics TDA7491
3. Analog Devices SSM2377
When choosing an alternative, ensure the specifications such as output power, supply voltage range, efficiency, and package type match your application requirements.
1. Texas Instruments TPA3110D2
2. STMicroelectronics TDA7491
3. Analog Devices SSM2377
When choosing an alternative, ensure the specifications such as output power, supply voltage range, efficiency, and package type match your application requirements.
Features
The MAX9737ETG+T is a high-efficiency, stereo audio power amplifier designed for portable and battery-powered devices. Key features include:
1. Class D Amplification: Offers high efficiency with low power consumption, ideal for extending battery life in portable applications.
2. Output Power: Delivers up to 2 x 2.1W into 4Ω loads or 2 x 1.4W into 8Ω loads, suitable for driving small speakers.
3. Low Quiescent Current: Minimizes power drain when the device is not in active operation.
4. High PSRR: Provides excellent power supply rejection ratio, which reduces noise from the power supply.
5. Shutdown Mode: Incorporates a low-power shutdown mode that further conserves battery life.
6. Thermal and Short-Circuit Protection: Ensures reliability and robustness by protecting against potential damage.
7. Flexible Input: Supports both differential and single-ended inputs.
8. Filterless Operation: Reduces the need for external LC output filters, saving space and cost.
9. Compact Package: Available in a thermally efficient TQFN package.
These features make the MAX9737ETG+T suitable for applications in portable audio devices like smartphones, tablets, and other battery-powered audio systems.
1. Class D Amplification: Offers high efficiency with low power consumption, ideal for extending battery life in portable applications.
2. Output Power: Delivers up to 2 x 2.1W into 4Ω loads or 2 x 1.4W into 8Ω loads, suitable for driving small speakers.
3. Low Quiescent Current: Minimizes power drain when the device is not in active operation.
4. High PSRR: Provides excellent power supply rejection ratio, which reduces noise from the power supply.
5. Shutdown Mode: Incorporates a low-power shutdown mode that further conserves battery life.
6. Thermal and Short-Circuit Protection: Ensures reliability and robustness by protecting against potential damage.
7. Flexible Input: Supports both differential and single-ended inputs.
8. Filterless Operation: Reduces the need for external LC output filters, saving space and cost.
9. Compact Package: Available in a thermally efficient TQFN package.
These features make the MAX9737ETG+T suitable for applications in portable audio devices like smartphones, tablets, and other battery-powered audio systems.
Pinout
The MAX9737ETG+T is an audio amplifier IC designed for driving speakers in portable devices. It is a 20-pin TQFN (Thin Quad Flat No-leads) package. The primary function of the MAX9737 is to deliver high-quality audio output with efficiency, suitable for battery-powered applications.
Key functions and features include:
1. Output Power: The MAX9737 can deliver up to 2.1W per channel into a 4Ω load.
2. Efficiency: It operates with high efficiency, which is crucial for extending battery life in portable devices.
3. Low EMI: The design minimizes electromagnetic interference, making it suitable for use in sensitive electronic environments.
4. Differential Inputs: It features differential input architecture to minimize noise and improve audio quality.
5. Protection Features: The IC includes over-temperature and short-circuit protection to enhance reliability.
These features make the MAX9737ETG+T a suitable choice for applications requiring efficient audio amplification with minimal external components.
Key functions and features include:
1. Output Power: The MAX9737 can deliver up to 2.1W per channel into a 4Ω load.
2. Efficiency: It operates with high efficiency, which is crucial for extending battery life in portable devices.
3. Low EMI: The design minimizes electromagnetic interference, making it suitable for use in sensitive electronic environments.
4. Differential Inputs: It features differential input architecture to minimize noise and improve audio quality.
5. Protection Features: The IC includes over-temperature and short-circuit protection to enhance reliability.
These features make the MAX9737ETG+T a suitable choice for applications requiring efficient audio amplification with minimal external components.
Manufacturer
The MAX9737ETG+T is manufactured by Maxim Integrated. Maxim Integrated is a company that designs, manufactures, and sells analog and mixed-signal integrated circuits for the automotive, industrial, communications, consumer, and computing markets. The company provides solutions that enable innovation in a wide range of electronic devices, emphasizing high-performance analog solutions. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., another leading player in the semiconductor industry, further expanding their combined market reach and technological expertise.
Application
The MAX9737ETG+T is a stereo Class D audio amplifier commonly used in portable audio applications. Its compact design and efficient power usage make it ideal for devices like smartphones, tablets, and portable speakers. The amplifier is also used in multimedia devices, docking stations, and other battery-powered audio systems where space and power efficiency are critical. Its low distortion and high fidelity output are suitable for improving audio quality in consumer electronics. Additionally, the MAX9737ETG+T is used in applications requiring low electromagnetic interference (EMI) and high efficiency, supporting enhanced audio performance without significant power loss.
Package
The MAX9737ETG+T is packaged in a 24-pin TQFN (Thin Quad Flat No-leads) package. This type of packaging is generally compact and suitable for applications requiring efficient thermal performance and a small footprint.
