TPA6139A2
- DirectPath™
- Eliminates Pops and Clicks
- Eliminates Output DC-Blocking Capacitors
- 3-V to 3.6-V Supply Voltage
- Low Noise and THD
- SNR > 105 dB at –1x Gain
- Typical Vn < 15 µVms 20 to 20 kHz at –1x
Gain - THD+N < 0.003% at 10-kΩ Load and –1x Gain
- 25 mW into 32-Ω Load
- 2-Vrms Output Voltage into 600-Ω Load
- Single-Ended Input and Output
- Programmable Gain Select Reduces Component
Count- 13x Gain Values
- Active Mute With More Than 80-dB Attenuation
- Short-Circuit and Thermal Protection
- ±8-kV HBM ESD Protected Outputs
The TPA6139A2 is a 25-mW, pop-free stereo headphone driver designed to reduce component count, board space and cost. It is ideal for single-supply electronics where size and cost are critical design parameters.
The TPA6139A2 device does not require a power supply greater than 3.3 V to generate its 25 mW, nor does it require a split rail power supply.
The TPA6139A2 device was designed using TI’s patented DirectPath™ technology, which integrates a charge pump to generate a negative supply rail that provides a clean, pop-free ground biased output. The TPA6139A2 is capable of driving 25 mW into a 32-Ω load and 2 Vrms into a 600-Ω load. DirectPath also allows the removal of the costly output DC-blocking capacitors.
The device has fixed gain single-ended inputs with a gain select pin. Using a single resistor on this pin, the designer can choose from 13 internal programmable gain settings to match the line driver with the CODEC output level. It also reduces the component count and board space.
Headphone outputs have &plusm;8-kV HBM ESD protection enabling a simple ESD protection circuit. The TPA6139A2 has built-in active mute control with more that 80-dB attenuation for pop-free mute ON and OFF control.
The TPA6139A2 device is available in a 14-pin TSSOP and a 16-pin QFN. For a pin-compatible, 2-Vrms line driver see DRV612.
관심 가지실만한 유사 제품
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPA6139A2 DirectPath™ 25-mW Headphone Amplifier With Programmable-Fixed Gain datasheet (Rev. C) | PDF | HTML | 2016/04/27 |
| Application note | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019/08/26 | ||
| Application note | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019/06/27 | ||
| EVM User's guide | TPA6139A2 EVM User's Guide | 2010/11/10 |
설계 및 개발
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TPA6139A2EVM — TPA6139A2EVM 평가 모듈
The TPA6139A2EVM customer evaluation module (EVM) demonstrates the capabilities and operation of the TPA6139A2PW integrated circuit from Texas Instruments. The TPA6139A2PW is a 25mW Pop-Free stereo Head Phone driver designed to reduce component count, board space and cost. It is ideal for single (...)
TPA6139A2 TINA-TI Transient Reference Design
PSPICE-FOR-TI — TI 설계 및 시뮬레이션 툴용 PSpice®
TI 설계 및 시뮬레이션 환경용 PSpice는 기본 제공 라이브러리를 이용해 복잡한 혼합 신호 설계를 시뮬레이션할 수 있습니다. 레이아웃 및 제작에 (...)
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| TSSOP (PW) | 14 | Ultra Librarian |
| VQFN (RGT) | 16 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.