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TPA3131D2 Arkusz danych(PDF) 1 Page - Texas Instruments |
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TPA3131D2 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 31 page LC Filter LC Filter Left Right 4.5V-26V PSU Audio Source Left Right Audio Processor And control TPA3131D2 TPA3132D2 AM/FM Avoidance Control FAULTZ SDZ MUTE Sync Capable of synchronizing to other devices GAIN / SLV GAIN control and Master/Slave setting AM2,1,0 PLIMIT Power Limit PBTL Detect TPA3131D2 TPA3132D2 www.ti.com SLOS841 – JULY 2013 4W, 25W Filter-Free Class-D Stereo Amplifier with AM Avoidance Check for Samples: TPA3131D2, TPA3132D2 1 FEATURES DESCRIPTION The TPA3131/32D2 are efficient, stereo digital 2 • Supports Multiple Output Configurations amplifier power stages for driving speakers with up to – 2×4-W into a 8- Ω BTL Load at 7.4 V 2x42W/4 Ω peak power. TPA3131/32D2 operates (TPA3131D2) heatsink-free with cooling to PCB through the bottom – 2×25-W into a 8- Ω BTL Load at 19 V side Power-Pad with sustained output power from 2x4W/8 Ω (TPA3131D2) to 2x25W/8Ω (TPA3132D2). (TPA3132D2) • Wide Voltage Range: 4.5 V – 26 V The TPA3131/32D2 advanced oscillator/PLL circuit employs a multiple switching frequency option to • Automotive Load-Dump Compliant avoid AM interferences; this is achieved together with • Efficient Class-D Operation an option of Master/Slave option, making it possible – >90% Power Efficiency Combined with Low to synchronize multiple devices. Idle Loss for Heat Sink free Operation The TPA3131/32D2 are fully protected against faults – Advanced Modulation Schemes with short-circuit protection and thermal protection as • Multiple Switching Frequencies well as over-voltage, under-voltage and DC protection. Faults are reported back to the processor – AM Avoidance to prevent devices from being damaged during – Master/Slave Synchronization overload conditions. – Up to 1.2 MHz Switching Frequency For feature compatible devices see: Power Pad up • Feedback Power Stage Architecture with High device 2x50W TPA3116D2, Power Pad down 2x15W PSRR Reduces PSU Requirements TPA3130D2 and 2x30W TPA3118D2. • Programmable Power Limit Simplified Application Circuit • Differential/Single-Ended Inputs • Stereo and Mono Mode with Single Filter Mono Configuration • Single Power Supply Reduces Component Count • Integrated Self-Protection Circuits Including Over-Voltage, Under-Voltage, Over- Temperature, DC-Detect, and Short Circuit with Error Reporting • Thermally Enhanced Package – 32-Pin QFN Pad-Down DEVICE POWER QFN 32-PIN • –40°C to 85°C Ambient Temperature Range TPA3131D2 2 x 4W/8 Ω Pad down TPA3132D2 2 x 25W/8 Ω Pad down APPLICATIONS • Laptop Computers and Ultrabooks • Flatpanel TV • Consumer Audio Applications 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 © 2013, 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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