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TLV1117-33C Datasheet(PDF) 2 Page - Texas Instruments |
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TLV1117-33C Datasheet(HTML) 2 Page - Texas Instruments |
2 / 33 page Introduction www.ti.com 1 Introduction The TAS5612L-TAS5614LDDVEVM PurePath™ EVM demonstrates the current version of TAS5612LDDV or TAS5614LDDV integrated circuit power stage with TAS5538DGG from Texas Instruments (TI). The TAS5612L and TAS5614L are high-performance, integrated Stereo Feedback Digital Amplifier Power Stages designed to drive 4 Ω speakers at up to 150W per channel for TAS5614LDDV and 125W per channel for TAS5612LDDV. They require only a passive demodulation filter to deliver efficient high quality audio amplification. TAS5538DGG is a high performance 32 bit (24 bit input) multi channel PurePath™ Digital Pulse Width Modulator (PWM) with fully symmetrical AD modulation scheme. The device also has Digital Audio Processing (DAP) that provides 48 bit signal processing, advanced performance and a high level of system integration. This EVM can be configured as 2 BTL channels for stereo evaluation or 1 PBTL (parallel BTL) channel for subwoofer evaluation. Together with a TI Input-USB Board 3, it provides a complete stereo digital audio amplifier system which includes digital input (S/PDIF), analog inputs, interface to PC and DAP features like digital volume control, input and output mixers, automute, tone controls, loudness, EQ filters and dynamic range compression (DRC). There are configuration options for power stage failure protection. NOTE: TAS5612L-TAS5614LDDVEVM IS SHIPPED WITH THE CURRENT VERSION OF TAS5614L INSTALLED. TO EVALUATE THE CURRENT VERSION OF TAS5612L PLEASE VISIT THE PRODUCT FOLDER AT www.ti.com AND REQUEST A FREE SAMPLE; AND, REPLACE THE TAS5614L WITH TAS5612L. Table 1. TAS5612L-TAS5614LDDVEVM Specification Key Parameters Values TAS5614L Power Supply Voltage 12 - 38 Vdc TAS5612L Power Supply Voltage 12 - 34 Vdc Number of Channels 2 x BTL or 1 x PBTL Load Impedance BTL 4-8 Ohm Load Impedance PBTL 2-4 Ohm TAS5614L Output power BTL 150W / 4Ohm / 10%THD+N TAS5614L Output power PBTL 300W / 2Ohm / 10%THD+N TAS5612L Output power BTL 125W / 4Ohm / 10%THD+N TAS5612L Output power PBTL 250W / 2Ohm / 10%THD+N Dynamic Range (DNR) >105 dB PWM Processor TAS5538DGG Output Stage TAS5614LDDV or TAS5612LDDV NOTE: The heatsink in TAS5612L-TAS5614LDDVEVM is designed to comply with time requirements of the “Amplifier Rule”, US Federal Trade Commission 16 CFR 432, when the EVM is operated at power levels specified above. If continuous operation at specified output power is required it is necessary to provide forced air flow through the heatsink. (The FTC regulation specifies operation in 25°C ambient temperature for one hour at 1/8 specified output power (18.75W per channel for TAS5614LDDVEVM, 15.63W per channel for TAS5612LDDVEVM) and then for 5 minutes at specified output power (150W per channel for TAS5614LDDVEVM, 125W per channel for TAS5612LDDVEVM). Then distortion vs. output power can be measured. TAS5612L-TAS5614LDDVEVM provides specified output power for several minutes or more without thermal shutdown. THD is not specified for this test but is typically near 10%.) 2 TAS5612L-TAS5614LDDVEVM SLAU375 – May 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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