TPA6130A2系列介绍资料

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TPA6130A2

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具有 I2C 控制接口的 138mW 立体声模拟输入耳机放大器

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The TPA6130A2 is a stereo DirectPath™ headphone amplifier with I²C digital volume control. The TPA6130A2 has minimal quiescent current consumption, with a typical I_DD of 4 mA, making it optimal for portable applications. The I²C control allows maximum flexibility with a 64 step audio taper volume control, channel independent enables and mutes, and the ability to configure the outputs into stereo, dual mono, or a single receiver speaker BTL amplifier that drives 300 mW of power into 16 Ω loads.

The TPA6130A2 is a high fidelity amplifier with an SNR of 98 dB. A PSRR greater than 100 dB enables direct-to-battery connections without compromising the listening experience. The output noise of 9 µVrms (typical A-weighted) provides a minimal noise background during periods of silence. Configurable differential inputs and high CMRR allow for maximum noise rejection in the noisy environment of a mobile device.

TPA6130A2 packaging includes a 2 by 2 mm chip-scale package, and a 4 by 4 mm QFN package.

DirectPath™ Ground-Referenced Outputs
- Eliminates Output DC Blocking Capacitors
- Reduces Board Area
- Reduces Component Height and Cost
- Full Bass Response Without Attenuation
Power Supply Voltage Range: 2.5 V to 5.5 V
64 Step Audio Taper Volume Control
High Power Supply Rejection Ratio
(>100 dB PSRR)
Differential Inputs for Maximum Noise Rejection
(68 dB CMRR)
High-Impedance Outputs When Disabled
Advanced Pop and Click Suppression Circuitry
Digital I²C Bus Control
- Per Channel Mute and Enable
- Software Shutdown
- Multi-Mode Support: Stereo HP, Dual Mono
  HP, and Single-Channel BTL Operation
- Amplifier Status
Space Saving Packages
- 20 Pin, 4 mm × 4 mm QFN
- 16 ball, 2 mm × 2 mm DSBGA
ESD Protection of 8 kV HBM and IEC Contact

Output power (W)	0.138
Analog supply (min) (V)	2.5
Analog supply voltage (max) (V)	5.5
Load (min) (Ω)	16
PSRR (dB)	109
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Headphone channels	Stereo
Volume control	Yes
Shutdown current (ISD) (µA)	0.4
Architecture	Class-AB
Iq per channel (typ) (mA)	2

DSBGA (YZH)	16	5.0625 mm² 2.25 x 2.25
WQFN (RTJ)	20	16 mm² 4 x 4

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TPA6130A2

具有 I2C 控制接口的 138mW 立体声模拟输入耳机放大器

4000-306-326