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TPA6138A2PWR, Audio Amplifiers Headphone Driver w/ Adj Gain
Semiconductors\Integrated Circuits - ICs\Audio ICs\Audio AmplifiersTPA6138A2 / TPA6139A2 Headphone Drivers Texas Instruments TPA6138A2 and TPA6139A2 DirectPath™ headphone drivers are designed for use in PDP / LCD TV applications as well as Blu-Ray™ and DVD players, mini / micro combo systems, and sound cards. The TI TPA6138A2 pop-free stereo headphone amplifier with adjustable gain is designed to allow the removal of the output dc-blocking capacitors for reduced component count and cost. The TPA6138A2 is capable of driving 25mW into a 32Ω load with 3.3V supply voltage. The device has differential inputs and uses external gain-setting resistors that support a gain range of ±1V/V to ±10V/V. The TI TPA6139A2 pop-free headphone driver with programmable fixed gain does not require a power supply greater than 3.3V to generate 25mW and does not require a split rail power supply. The TI TPA6139A2 allows the designer to choose from 12 internal programmable gain settings to match the line driver with the Codec output level.
| Audio - Load Impedance | 32 Ohms |
| Brand | Texas Instruments |
| Class | Class-AB |
| Description/Function | DirectPath Headphone Driver |
| Development Kit | TPA6138A2EVM |
| Factory Pack Quantity | 2000 |
| Features | Adjustable Gain |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +85 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of Channels | 2 Channel |
| Operating Supply Current | 14 mA |
| Operating Supply Voltage | 3.6 V |
| Output Power | 40 mW |
| Package / Case | TSSOP-14 |
| Part # Aliases | HPA01075PWR |
| Product Category | Audio Amplifiers |
| Product Type | Audio Amplifiers |
| Product | Headphone Amplifiers |
| PSRR - Power Supply Rejection Ratio | 80 dB |
| Subcategory | Audio ICs |
| Supply Current - Max | 25 mA |
| Supply Voltage - Max | 3.6 V |
| Supply Voltage - Min | 3 V |
| THD plus Noise | 0.01% |
| Type | 2-Channel Stereo Headphone |
| Operating Temperature | -40℃~+85℃ |
| Output Power | 40mWx2@32Ω |
| Speaker Channels | 双声道 |
| Supply Voltage | 3V~3.6V |
| Type of Power Amplifier | AB类功放 |
| Вес, г | 0.14 |
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