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TPA2008D2 Datasheet PDF

Part Series:
TPA2008D2 Series
Category:
-
Description:
3W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
Updated Time: 2023/09/27 09:00:32 (UTC + 8)

TPA2008D2 Datasheet PDF -

27 Pages
TI
3W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
27 Pages
TI
Audio Amp Speaker 2CH Stereo 3W Class-D 24Pin HTSSOP EP Tube

TPA2008D2 - TI Specifications

TYPE
DESCRIPTION
Case/Package
HTSSOP-24
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TPA2008D2 - TI Function Overview

The TPA2008D2 is a third generation 5-V class-D amplifier from Texas Instruments. Improvements to previous generation devices include: dc volume control, lower supply current, lower noise floor, higher efficiency, smaller packaging, and fewer external components. Most notably, a new filter-free class-D modulation technique allows the TPA2008D2 to directly drive the speakers, without needing a low-pass output filter consisting of two inductors and three capacitors per channel. Eliminating this output filter saves approximately 30% in system cost and 75% in PCB area.
The improvements and functionality make this device ideal for LCD projectors, LCD monitors, powered speakers, and other applications that demand more battery life, reduced board space, and functionality that surpasses currently available class-D devices.
A chip-level shutdown control limits total supply current to 1 µA, making the device ideal for battery-powered applications. Protection circuitry increases device reliability: thermal and short circuit. Undervoltage shutdown saves battery power for more essential devices when battery voltage drops to low levels.
The TPA2008D2 is available in a 24-pin TSSOP PowerPAD™ package.
3 W Per Channel into 3- Speakers (THD+N = 10%)
< 0.045% THD at 1.5 W, 1 kHz, 3- Load
DC Volume Control With 2-dB Steps From –38 dB to 20 dB
Filter Free Modulation Scheme Operates Without a Large and Expensive LC Output Filter
Extremely Efficient Third Generation 5-V Class-D Technology
Low Supply Current, 7 mA
Low Shutdown Control, 1 µA
Low Noise Floor, –80 dBV
Maximum Efficiency into 3 , 78%
Maximum Efficiency into 8 , 88%
PSRR, –70 dB
Integrated Depop Circuitry
Operating Temperature Range, –40°C to 85°C
Space-Saving, Surface Mount PowerPAD™ Package
APPLICATIONS
LCD Projectors
LCD Monitors
Powered Speakers
Battery Operated and Space Constrained Systems
PowerPAD is a trademark of Texas Instruments.
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