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TAS5102DADG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5102DADG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page 1 FEATURES APPLICATIONS DESCRIPTION VCC − Supply Voltage − V 0 5 10 15 20 25 30 35 5 10 15 20 25 G009 THD+N = 1% THD+N = 10% f = 1 kHz RL = 8 Ω (BTL) Gain = 3 dB TAS5102 TAS5103 www.ti.com .............................................................................................................................................................. SLLS801A – JUNE 2008 – REVISED JUNE 2008 20-W/15-W STEREO DIGITAL AMPLIFIER POWER STAGE A low-cost, high-fidelity audio system can be built using a TI chipset, comprising a modulator (e.g., 2 • 2×20 W at 10% THD+N Into 8-Ω BTL at 18 V TAS5086) and the TAS5102/TAS5103. This system (With Heatsink for TAS5102) only requires a simple passive LC demodulation filter • 2×15 W at 10% THD+N Into 8-Ω BTL at 15.5 V to deliver high-quality, high-efficiency audio for TAS5103 amplification with proven EMI compliance. These devices require two power supplies, at 3.3 V for • 2×10 W at 10% THD+N Into 8-Ω BTL at 13 V VREG, and up to 23 V for PVDD. The • >100-dB SNR (A-Weighted) TAS5102/TAS5103 does not require power-up • <0.1% THD+N at 1 W sequencing due to internal power-on reset. The efficiency of this digital amplifier is greater than 90% • Thermally Enhanced Package: 32-pin HTSSOP into 8 Ω, which enables the use of smaller power – DAD (TAS5102) Pad Up supplies and heatsinks. – DAP (TAS5103) Pad Down The TAS5102/3 has an innovative protection system • High-Efficiency Power Stage (>90%) With integrated on chip, safeguarding the device against a 180-m Ω Output MOSFETs wide range of fault conditions that could damage the • Wide PVDD Range from 8V to 23V system. These safeguards are short-circuit protection, overcurrent protection, undervoltage protection, and • Power-On Reset for Protection on Power Up overtemperature protection. The TAS5102/TAS5103 Without Any Power-Supply Sequencing has a new proprietary current-limiting circuit that • Integrated Self-Protection Circuits Including reduces the possibility of device shutdown during Undervoltage, Overtemperature, Overcurrent, high-level music transients. Short Circuit BTL OUTPUT POWER • Built-In Regulator for Gate Drive Supply vs SUPPLY VOLTAGE • Error Reporting • EMI Compliant When Used With Recommended System Design • Televisions • Mini/Micro Audio Systems • DVD Receivers • Home Theaters The TAS5102/TAS5103 are integrated stereo digital amplifier power stages with an advanced protection system. The TAS5102/TAS5103 are capable of driving an 8- Ω bridge-tied load (BTL) at up to 20 W/15 W per channel with low integrated noise at the output, low THD+N performance, and low idle power dissipation. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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