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TDF8541JS/N2 Datasheet(PDF) 1 Page - NXP Semiconductors |
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TDF8541JS/N2 Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 54 page  1. General description The TDF8541 is one of a new generation of complementary quad Bridge-Tied Load (BTL) audio power amplifiers intended for automotive applications. It has full I2C-bus controlled diagnostics, including start-up diagnostics. The TDF8541 can operate at a battery voltage as low as 6 V making this amplifier suitable for stop/start-car operation. The amplifier uses a complementary DMOS output stage in a Silicon-On-Insulator (SOI)- based BCD process. The DMOS output stage ensures a high power output signal with perfect sound quality. The SOI-based BCD process ensures a robust amplifier, where latch-up cannot occur, with good separation between the four independent channels, with every component isolated and without substrate currents. 2. Features and benefits Stop/start-car prepared: keeps operating without audible disturbance during engine start at a battery voltage as low as 6 V Operates in either legacy (non I2C-bus) or I2C-bus modes (3.3 V and 5 V compliant) Four hardware-programmable I2C-bus addresses Can drive 2 and 4 loads Speaker fault detection Start-up diagnostics with load detection: open, short, present; filtered for door-slam and chatter relays AC load (tweeter) detection with low and high current mode Gain select after start-up without audible disturbance Independent selectable soft mute of front and rear channels Programmable gain (26 dB and 16 dB), independently programmable for the front and rear channels Line driver mode supports engine start at a battery voltage as low as 6 V (16 dB and mid-tap voltage 0.25VP) Programmable clip detect: 2 %, 5 % or 10 % Programmable thermal pre-warning Pin STB can be programmed/multiplexed with second-clip detect Clip information of each channel can be directed separately to pin DIAG or pin STB Independent enabling of thermal- , clip- or load fault information (short across the load or to VP or to ground) on pin DIAG Loss-of-ground and open VP safe (minimum series resistance required) All amplifier outputs short-circuit proof to ground, supply voltage and across the load (channel independent) All pins short-circuit proof to ground TDF8541 I2C-bus controlled 4 45 W power amplifier Rev. 3 — 13 December 2011 Product data sheet |
Número de pieza similar - TDF8541JS/N2 |
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Descripción similar - TDF8541JS/N2 |
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