TPA6135A2

Name: TPA6135A2
Brand: TI
SKU: TPA6135A2
Price: 0.698 USD

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具有高阻态模式的 25mW 立体声模拟输入耳机放大器

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数据表

document-pdfAcrobat DIRECTPATHTM STEREO HEADPHONE AMPLIFIER WITH DIFFERENTIAL INPUTS AND HI-Z MODE 数据表 (Rev. A) (英语)

TPA6135A2

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数据表

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产品详情

Supply voltage (max) (V)

5.5

Supply voltage (min) (V)

2.3

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Supply voltage (max) (V)

5.5

Supply voltage (min) (V)

2.3

Rating

Catalog

Operating temperature range (°C)

-40 to 85

WQFN (RTE)

16

9 mm² 3 x 3

Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors
- Outputs Biased at 0 V
- Excellent Low Frequency Fidelity
Active Click and Pop Suppression
HI-Z Output Mode
2.1 mA Typical Supply Current
Fully Differential or Single-Ended Inputs
- Built-In Resistors Reduces Component Count
- Improves System Noise Performance
Constant Maximum Output Power from 2.3 V to 5.5 V Supply
- Simplifies Design to Prevent Acoustic Shock
Improved RF Noise Immunity
Microsoft™ Windows Vista™ Compliant
High Power Supply Noise Rejection
- 100 dB PSRR at 217 Hz
- 90 dB PSRR at 10 kHz
Wide Power Supply Range: 2.3 V to 5.5 V
Gain Settings: 0 dB and 6 dB
Short-Circuit and Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
Small Package Available
- 16-Pin, 3 mm × 3 mm Thin QFN
APPLICATIONS
- Smart Phones / Cellular Phones
- Notebook Computers
- CD / MP3 Players
- Portable Gaming

DirectPath is a trademark of Texas Instruments.
Windows Vista is a trademark of Microsoft Corporation.

Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors
- Outputs Biased at 0 V
- Excellent Low Frequency Fidelity
Active Click and Pop Suppression
HI-Z Output Mode
2.1 mA Typical Supply Current
Fully Differential or Single-Ended Inputs
- Built-In Resistors Reduces Component Count
- Improves System Noise Performance
Constant Maximum Output Power from 2.3 V to 5.5 V Supply
- Simplifies Design to Prevent Acoustic Shock
Improved RF Noise Immunity
Microsoft™ Windows Vista™ Compliant
High Power Supply Noise Rejection
- 100 dB PSRR at 217 Hz
- 90 dB PSRR at 10 kHz
Wide Power Supply Range: 2.3 V to 5.5 V
Gain Settings: 0 dB and 6 dB
Short-Circuit and Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
Small Package Available
- 16-Pin, 3 mm × 3 mm Thin QFN
APPLICATIONS
- Smart Phones / Cellular Phones
- Notebook Computers
- CD / MP3 Players
- Portable Gaming

DirectPath is a trademark of Texas Instruments.
Windows Vista is a trademark of Microsoft Corporation.

The TPA6135A2 (sometimes referred to as TPA6135) is a DirectPath™ stereo headphone amplifier that eliminates the need for external dc-blocking output capacitors. Differential stereo inputs and built-in resistors set the device gain, further reducing external component count. Gain is selectable at 0 dB or 6 dB. The amplifier drives 25 mW into 16 speakers from a single 2.3 V supply. The TPA6135A2 (TPA6135) provides a constant maximum output power independent of the supply voltage, thus facilitating the design for prevention of acoustic shock.

The TPA6135A2 (TPA6135) features HI-Z mode which can set the outputs to a high impedance configuration. The fully differential inputs reduce system noise pickup between the audio source and the headphone amplifier. The high power supply noise rejection performance and differential architecture provide increased RF noise immunity. For single-ended input signals, connect INL+ and INR+ to ground.

The device has built-in pop suppression circuitry to completely eliminate disturbing pop noise during turn-on and turn-off. The amplifier outputs have short-circuit and thermal-overload protection along with ±8 kV HBM ESD protection, simplifying end equipment compliance to the IEC 61000-4-2 ESD standard.

The TPA6135A2 (TPA6135) operates from a single 2.3 V to 5.5 V supply with 2.1 mA of typical supply current. Shutdown mode reduces supply current to less than 1 µA.

The TPA6135A2 (sometimes referred to as TPA6135) is a DirectPath™ stereo headphone amplifier that eliminates the need for external dc-blocking output capacitors. Differential stereo inputs and built-in resistors set the device gain, further reducing external component count. Gain is selectable at 0 dB or 6 dB. The amplifier drives 25 mW into 16 speakers from a single 2.3 V supply. The TPA6135A2 (TPA6135) provides a constant maximum output power independent of the supply voltage, thus facilitating the design for prevention of acoustic shock.

The TPA6135A2 (TPA6135) features HI-Z mode which can set the outputs to a high impedance configuration. The fully differential inputs reduce system noise pickup between the audio source and the headphone amplifier. The high power supply noise rejection performance and differential architecture provide increased RF noise immunity. For single-ended input signals, connect INL+ and INR+ to ground.

The device has built-in pop suppression circuitry to completely eliminate disturbing pop noise during turn-on and turn-off. The amplifier outputs have short-circuit and thermal-overload protection along with ±8 kV HBM ESD protection, simplifying end equipment compliance to the IEC 61000-4-2 ESD standard.

The TPA6135A2 (TPA6135) operates from a single 2.3 V to 5.5 V supply with 2.1 mA of typical supply current. Shutdown mode reduces supply current to less than 1 µA.

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