Product Summary

The TPA3113D2PWPR is a 6-W (per channel) efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard speaker protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter of the TPA3113D2PWPR allows the user to set a "virtual" voltage rail lower than the chip supply to limit the amount of current through the speaker. The DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs. The applications of the TPA3113D2PWPR include Televisions, Consumer Audio Equipment and Monitors.

Parametrics

TPA3113D2PWPR absolute maximum ratings: (1)VCC, Supply voltage AVCC, PVCC: –0.3 V to 30 V; (2)VI Interface pin voltage, SD, GAIN0, GAIN1, PBTL, FAULT: –0.3 V to VCC + 0.3 V; PLIMIT: –0.3 V to GVDD + 0.3 V; RINN, RINP, LINN, LINP: –0.3 V to 6.3 V; (3)TA, Operating free-air temperature range: –40 to 85℃; (4)TJ, Operating junction temperature range: –40 to 150℃; (5)Tstg, Storage temperature range: –65 to 150℃; (6)RL, Minimum Load Resistance, BTL: PVCC > 15 V: 4.8Ω; BTL: PVCC ≤ 15 V: 3.2Ω; PBTL: 3.2Ω; (7)ESD, Electrostatic discharge, Human body model (all pins): ±2 kV; Charged-device model (all pins): ±500 V.

Features

TPA3113D2PWPR features: (1)6-W/ch into an 8-Ω Loads at 10% THD+N From a 10-V Supply; (2)12-W into a 4-Ω Mono Load at 10% THD+N From a 10-V Supply; (3)87% Efficient Class-D Operation Eliminates Need for Heat Sinks; (4)Wide Supply Voltage Range Allows Operation from 8 V to 26 V; (5)Filter-Free Operation; (6)SpeakerGuard Speaker Protection Includes Adjustable Power Limiter plus DC Protection; (7)Flow Through Pin Out Facilitates Easy Board Layout; (8)Robust Pin-to-Pin Short Circuit Protection and Thermal Protection with Auto Recovery Option; (9)Excellent THD+N / Pop-Free Performance; (10)Four Selectable, Fixed Gain Settings; (11)Differential Inputs.

Diagrams

TPA3110D2PWPR block diagram

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