TPA6138A2PWR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPA6138A2PWR
Manufacturer

TI
ChipWorker Part#

CW14792953
Category

Audio Amplifier IC
Package

TSSOP-14
Description

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

Datasheet

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TPA6138A2PWR Specifications

Attribute	Attribute Value

Part Number	TPA6138A2PWR
Manufacturer	TI
ChipWorker Part#	CW14792953
Category	Audio Amplifier IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	TSSOP-14
Supply Current	25 mA
Number of Circuits	1 Circuit
Output Power	250 mW
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3V ~ 3.6V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TPA6138A2 is a pop-free stereo headphone amplifier designed to allow the removal of the output dc-blocking capacitors for reduced component count and cost. The device is ideal for single-supply electronics where size and cost are critical design parameters.
Designed using TIs patented DirectPath™ technology, The TPA6138A2 is capable of driving 25 mW into a 32-Ω load with 3.3-V supply voltage. The device has differential inputs and uses external gain-setting resistors that supports a gain range of ±1 V/V to ±10 V/V. Gain can be configured individually for each channel. The device can also be configured as a second-order low-pass filter and is ideal for interfacing with PWM audio sources. Audio output compiles with ±8-kV IEC ESD protection, requiring just a simple resistor-capacitor ESD protection circuit. The TPA6138A2 has built-in active-mute control for pop-free audio on/off control. The TPA6138A2 has an external undervoltage detector that mutes the output when the power supply is removed, ensuring a pop-free shutdown.
Using the TPA6138A2 in audio products can reduce component count considerably compared to traditional headphone amplifiers. The TPA6138A2 does not require a split-rail power supply or a dc blocking capacitor. The TPA6138A2 integrates its own charge pump to generate a negative supply rail that provides a clean, pop-free ground-biased audio signal.
The TPA6138A2 is available in a 14-pin TSSOP.

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