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TPA3007D1EVM: Mono 6.5 Watt @ 8 Ω, Class D Amp

Summary

The TPA3007D1 is a 6.5-W mono bridge-tied load (BTL) class-D audio power amplifier with high efficiency, eliminating the need for heat sinks. The TPA3007D1 can drive 8- speakers with only a ferrite bead filter required to reduce EMI.

The gain of the amplifier is controlled by two input terminals, GAIN1 and GAIN0. This allows the amplifier to be configured for a gain of 12, 18, 23.6, and 36 dB. The differential input stage provides high common mode rejection and improved power supply rejection.

The amplifier also includes depop circuitry to reduce the amount of pop at power-up and when cycling SHUTDOWN\.

Specifications

Manufacturer	Texas Instruments
Category	Audio Amplifiers
Eval Board Part Number	296-18925-ND
Eval Board Supplier	Texas Instruments
Number of Outputs	Mono
Output Power (RMS) @ Load	6.5 W @ 8 Ω
Voltage In	8 ~ 18 V
THD+N (1kHz) @ Conditions	< 0.2% @ 4 W (8 Ω, 12V)
Features	Digital Gain Over Current Protection Short Circuit Protection Shutdown, Enable, Standby Thermal Protection
Efficiency @ Conditions	>85%, 6~20 W @ 8 Ω, 12 V
Component Count + Extras	25 + 12
Design Author	Texas Instruments
Application / Target Market	Powered Speakers
Standby Current [Maximum]	2 µA
Standby Current [Typical]
Quiescent Current [Maximum]	10 mA
Quiescent Current [Typical]
Main I.C. Base Part	TPA3007D1
Amplifier Type 2	Class D
Eval Board	ABC
Date Created By Author
Date Added To Library	2011-03