TAS5612
www.ti.com
SLAS682B – NOVEMBER 2009 – REVISED APRIL 2010
125W STEREO / 250W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE
Check for Samples: TAS5612
FEATURES
APPLICATIONS
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PurePath™ HD Enabled Integrated Feedback
Provides:
– Signal Bandwidth up to 80kHz for High
Frequency Content From HD Sources
– Ultralow 0.03% THD at 1W into 4Ω
– Ultralow 0.01% THD at 1W into 8Ω
– Flat THD at all Frequencies for Natural
Sound
– 80dB PSRR (BTL, No Input Signal)
– >100dB (A weighted) SNR
– Click and Pop Free Startup
Pin compatible with TAS5631, TAS5616 and
TAS5614
Multiple Configurations Possible on the Same
PCB With Stuffing Options:
– Mono Parallel Bridge Tied Load (PBTL)
– Stereo Bridge Tied Load (BTL)
– 2.1 Single Ended Stereo Pair and Bridge
Tied Load Subwoofer
Total Output Power at 10%THD+N
– 250W in Mono PBTL Configuration
– 125W per Channel in Stereo BTL
Configuration
Total Output Power in BTL configuration at
1%THD+N
– 130W Stereo into 3Ω
– 105W Stereo into 4Ω
– 70W Stereo into 6Ω
– 55W Stereo into 8Ω
>90% Efficient Power Stage With 60-mΩ
Output MOSFETs
Self-Protection Design (Including
Undervoltage, Overtemperature, Clipping, and
Short-Circuit Protection) With Error Reporting
EMI Compliant When Used With
Recommended System Design
Two Thermally Enhanced Package Options:
– PHD (64-Pin QFP)
– DKD (44-Pin PSOP3)
Home Theater Systems
AV Receivers
DVD/Blu-ray™ Disc Receivers
Mini Combo Systems
Active Speakers and Subwoofers
DESCRIPTION
The TAS5612 is a high performance analog input
Class D amplifier with integrated closed loop
feedback technology (known as PurePath™ HD) with
the ability to drive up to 125W (1) Stereo into 4 to 8 Ω
Speakers from a single 32.5V supply.
PurePath™ HD technology enables traditional
AB-Amplifier performance (
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