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See Technical Specifications

TPA301D

350-mW, mono, Class-AB audio amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPA301D
Datasheet:

TPA301D Datasheet (PDF)
Type:

Class AB
Output Type:

1-Channel (Mono)
Max Output Power x Channels @ Load:

700mW x 1 @ 8Ohm
Voltage - Supply:

2.5V ~ 5.5V
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TPA301D General Description

The TPA301 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications where internal speakers are required. Operating with a 3.3-V supply, the TPA301 can deliver 250-mW of continuous power into a BTL 8- load at less than 1% THD+N throughout voice band frequencies. Although this device is characterized out to 20 kHz, its operation was optimized for narrower band applications such as cellular communications. The BTL configuration eliminates the need for external coupling capacitors on the output in most applications, which is particularly important for small battery-powered equipment. This device features a shutdown mode for power-sensitive applications with a quiescent current of 0.15 µA during shutdown. The TPA301 is available in an 8-pin SOIC surface-mount package and the surface-mount PowerPAD MSOP, which reduces board space by 50% and height by 40%.

Key Features

Fully Specified for 3.3-V and 5-V Operation
Wide Power Supply Compatibility 2.5 V - 5.5 V
Output Power for R_L = 8
- 350 mW at V_DD = 5 V, BTL
- 250 mW at V_DD = 3.3 V, BTL
Ultra-Low Quiescent Current in Shutdown Mode.0.15 µA
Thermal and Short-Circuit Protection
Surface-Mount Packaging
- SOIC
- PowerPAD™ MSOP

PowerPAD is a trademark of Texas Instruments Incorporated.

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersAudio Amplifiers	Series	-
Type	Class AB	Output Type	1-Channel (Mono)
Max Output Power x Channels @ Load	700mW x 1 @ 8Ohm	Voltage - Supply	2.5V ~ 5.5V
Features	Short-Circuit and Thermal Protection, Shutdown	Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)	Base Product Number	TPA301