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TPA3221
SLASEE9B – SEPTEMBER 2017 – REVISED DECEMBER 2017
TPA3221 100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
1 Features
•1 Wide 7-V to 30-V Supply Voltage Operation • Stereo (2 x BTL) and Mono (1 x PBTL) Operation • Output Power at 10% THD+N
– 105-W Stereo into 4 Ω in BTL Configuration – 112-W Stereo into 3 Ω in BTL Configuration – 208-W Mono into 2 Ω in PBTL Configuration • Output Pow.
Class-D Amplifier
Product Folder
Order Now
Technical Documents
Tools & Software
Support & Community
TPA3221
SLASEE9B – SEPTEMBER 2017 – REVISED DECEMBER 2017
TPA3221 100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
1 Features
•1 Wide 7-V to 30-V Supply Voltage Operation • Stereo (2 x BTL) and Mono (1 x PBTL) Operation • Output Power at 10% THD+N
– 105-W Stereo into 4 Ω in BTL Configuration – 112-W Stereo into 3 Ω in BTL Configuration – 208-W Mono into 2 Ω in PBTL Configuration • Output Power at 1% THD+N – 88-W Stereo into 4 Ω in BTL Configuration – 100-W Stereo into 3 Ω in BTL Configuration – 170-W Mono into 2 Ω in PBTL Configuration • 5-V Gate Drive or Built-in LDO for Optional SingleSupply Operation • Closed-Loop Feedback Design – Signal Bandwidth up to 100 kHz for High-
Frequency Content From HD Sources – 0.02% THD+N at 1 W into 4 Ω – 60-dB PSRR (BTL, No Input Signal) – <75-µV Output Noise (A-Weighted) – >108-dB SNR (A-Weighted) – AD or HEAD Modulation Schemes • Low-Power Operating Modes – Standby Modes: Mute and < 1 mA Shutdown – Low Idle-Current HEAD Modulation Scheme – Single-Channel BTL Operation • Multiple Input Options to Simplify Pre-Amp Design – Differential or Single-Ended Analog Inputs – Selectable Gains: 18 dB, 24 dB, 30 dB, 34 dB • Integrated Protection: Undervoltage, Overvoltage, Cycle-by-cycle Current Limit, Short Circuit, Clipping Detection, Overtemperature Warning and Shutdown, and DC Speaker Protection • 90% Efficient Class-D Operation (4 Ω) • Pin-Co.