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See Technical Specifications

TPA6138A2PWR +BOM

Audio Amp Headphone 2-CH Stereo 0.04W Class-AB 14-Pin TSSOP T/R

Manufacturer:

TI
Mfr.Part #:

TPA6138A2PWR
Datasheet:

TPA6138A2PWR Datasheet (PDF)
Output Power (W):

0.25
Analog Supply (min) (V):

3
Analog Supply Voltage (max) (V):

3.6
Load (min) (Ω):

32
EDA/CAD Models:

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Email: [email protected]

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Tel: +852 95804164

TPA6138A2PWR General Description

Featuring a fixed gain of 6dB and a fully differential architecture, this amplifier minimizes common-mode noise and distortion, resulting in an unparalleled audio experience. The inclusion of a shutdown mode also helps conserve power when the device is not in use, making it an energy-efficient choice for your audio needs

Key Features

Stereo DirectPath™ Headphone Amplifier
- 40 mW Into 32 Ω With 3.3-V Supply
Low THD+N < 0.01% at 10 mW Into 32 Ω
High SNR, >90 dB
Differential Input and Single-Ended Output
Adjustable Gain by External Gain-Setting
Resistors
Configurable as a Second-Order Low-Pass Filter
- Ideal for PWM Audio Sources
Low DC Offset, <1 mV
Ground-Referenced Outputs Eliminate DC-
Blocking Capacitors
- Reduce Board Area
- Reduce Component Cost
- Improve THD+N Performance
- No Degradation of Low-Frequency Response
  Due to Output Capacitors
Short-Circuit Protection
Click- and Pop-Reduction Circuitry
External Undervoltage Mute
Active Mute Control for Pop-Free Audio On/Off
Control
Space-Saving TSSOP Package

Specifications

Output power (W)	0.25	Analog supply (min) (V)	3
Analog supply voltage (max) (V)	3.6	Load (min) (Ω)	32
PSRR (dB)	80	Rating	Catalog
Operating temperature range (°C)	-40 to 85	Headphone channels	Stereo
Volume control	No	Shutdown current (ISD) (µA)	1
Architecture	Class-AB	Iq per channel (typ) (mA)	14