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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TAS5755MDFDR 데이터시트(PDF) 1 Page - Texas Instruments |
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TAS5755MDFDR 데이터시트(HTML) 1 Page - Texas Instruments |
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1 / 76 page  Efficiency_vs_OutputPower_6R.grf Output Power (W) 0 10 20 30 40 50 60 70 80 90 100 0 20 40 60 80 D018 D010 BTL Mode RL = 6 : TA = 25qC Effi PVDD = 12 V PVDD = 18 V PVDD = 24 V OutPower_vs_Supply_4R6R.grf Supply Voltage (V) 8 13 18 23 26.4 0 20 40 60 80 BTL Mode TA = 25 qC Outp OutP THD = 1%, RL = 4 : THD = 10%, RL = 4 : THD = 1%, RL = 6 : THD = 10%, RL = 6 : Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to change without notice. TAS5755M SLOS982 – AUGUST 2017 TAS5755M 2 × 50-W or 2 × 19-W + 1 × 50-W Digital Input Audio Amplifier With Equalizer, 2- Band DRC, And License-Free 3D Effect 1 1 Features 1 • 2 × 19 W + 1 × 50 W in 2.1 Mode (4 Ω SE, 6 Ω BTL, PVDD = 24 V, 1 kHz) • 2 × 50 W in 2.0 Mode (6 Ω, PVDD = 24 V, 1 kHz) • 2.1 Mode, 2.0 Mode, and Mono Mode Configurations • PVDD range: 8 to 26.4 V • RDSON ≤ 80 mΩ • 6-A Current Sourcing Capability • Pre-Filter PBTL • Audio Performance Features (PVDD = 18 V) – THD+N ≤ 0.1% @ 1 kHz (RSPK = 8 Ω, POUT = 1 W) – ICN ≤ 50 µVRMS – Crosstalk ≤ - 67 dB – SNR ≥ 104 dB (A-weighted) • 2 × 8 BiQuad for L/R • 1 × 2 BiQuad for Sub • Two Assignable Log-Style DRC for L/R or L/R/Sub • License-Free 3D Effects • DC Blocking Filter • Thermal, Short-circuit, and Undervoltage Protection • Pad-Up for Maximum Thermal Performance with a Heat Sink • AD/BD Modulation • Automatic Rate Detection 2 Applications • HDTV, UHDTV • Low-Cost Sound Bars • Desktop PC Audio Systems • General Purpose Audio Equipment 3 Description The TAS5755M is functionally equivalent to the TAS5731M, but in a Pad-Up design that allows the device to create more power without experience a shutdown due to thermal limitations of a pad-down device. Like the TAS5731M, the TAS5755M is a very flexible device, offering output configuration support for 2.1, 2.0, and mono applications. Single chip 2.1 is accomplished by running each of the Left and Right Speaker from an independent half-bridge and the subwoofer from a dedicated full-bridge. Oversampling, combined with a fourth-order noise shaper, provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz. A powerful output stage made up of 80-m Ω output MOSFETs coupled with a pad-up design to allow the use of a heatsink, enables the device to make as much as 2 × 50 W for a 6- Ω load. Conversely, in mono mode, it can make as much as 1 × 70 W continuously with a 4- Ω load. Audio processing for the device consists of Stereo, Mono, and 2.1 signal mixing, as well as DC blocking filters, 8 BiQuads for L and R and 2 Biquads for the subwoofer channel. In addition to equalization, power limiting is accomplished by a two band Log-style DRC. A separate single band DRC is provided for the subwoofer. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TAS5755M DFD 14 mm × 6.1 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Efficiency vs Total Output Power Output Power vs Supply Voltage |
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