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TPA6138A2PWR
+BOMIC AMP CLSS AB STER 40MW 14TSSOP
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPA6138A2PWR
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | DirectPath™ |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 40mW x 2 @ 32Ohm |
| Voltage - Supply | 3V ~ 3.6V |
| Features | Depop, Differential Inputs, Mute, Short-Circuit Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 14-TSSOP |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Base Product Number | TPA6138 |
Tổng quan
Description
Key features of the TPA6138A2PWR include direct-path technology, which eliminates the need for output DC-blocking capacitors, thus simplifying the design and reducing component costs. It supports a wide power supply range and has low power consumption, making it ideal for battery-powered devices. The amplifier also includes a gain select function that allows for easy adjustment of the gain to match different headphone sensitivities.
The device is housed in a compact PowerPAD™ package, which provides efficient thermal dissipation and minimizes the footprint on a circuit board. Overall, the TPA6138A2PWR is valued for its combination of superior audio quality, efficiency, and ease of integration into consumer electronic products.
Equivalent
1. MAX97220 from Maxim Integrated: Low-noise stereo headphone amplifier.
2. LM4902 from Texas Instruments: Stereo headphone amplifier.
3. AD8231 from Analog Devices: Low-power, high-performance audio amplifier.
Ensure to review each product's datasheet for exact feature compatibility and electrical specifications to determine suitability for your specific application.
Features
1. Output Power: It delivers up to 138 mW per channel into a 16-ohm load, making it suitable for driving a variety of headphones.
2. Low Distortion: It offers low total harmonic distortion plus noise (THD+N), ensuring clear and high-fidelity sound.
3. High Signal-to-Noise Ratio (SNR): With a high SNR, the TPA6138A2PWR provides excellent audio clarity.
4. Low Quiescent Current: This feature contributes to energy efficiency and extends battery life in portable devices.
5. Pop-and-Click Suppression: The device includes circuitry to minimize unwanted noise during power-up and power-down sequences.
6. Differential Inputs: These help reduce noise and crosstalk, enhancing audio quality.
7. Shutdown Mode: It has a low-power shutdown mode to further conserve energy when the amplifier is not in use.
8. Small Package: Available in a PowerPAD™ TSSOP package, it is suitable for space-constrained applications.
These features make the TPA6138A2PWR ideal for portable audio applications, including smartphones, tablets, and media players.
Pinout
1. Pins and Package: The TPA6138A2PWR has a total of 24 pins.
2. Function:
- It is designed to drive stereo headphones with low distortion and low power consumption.
- The amplifier provides a ground-referenced output that eliminates the need for large DC-blocking capacitors.
- It features integrated de-pop circuitry to minimize audible artifacts during power-up and shutdown.
- It includes protection features such as short-circuit protection and thermal shutdown.
3. Applications: It is commonly used in portable audio devices, including smartphones, tablets, and portable media players.
4. Performance: The amplifier provides excellent audio performance with high signal-to-noise ratio (SNR) and low total harmonic distortion plus noise (THD+N).
This component is suitable for applications requiring compact size and high audio fidelity.