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TDF8546JV/N2ZU NXP
Available
TDF8546JV/N2ZU NXP
Stop/start-car prepared: keeps operating without audible disturbance during engine start at a battery voltage as low as 6 V New best efficiency mode with patented low switching distortion Extreme best efficiency mode (uses information from 4 channels) with 17 % less dissipation for uncorrelated signals compared to 2-channel best efficiency mode. 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 0.25 VP) 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 Temperature controlled gain reduction to prevent audio holes at high junction temperatures Programmable low battery voltage detection to enable 7.5 V or 6 V minimum battery voltage operation Overvoltage protection (load-dump safe up to VP = 50 V) with overvoltage pre-warning at 16 V Offset detection
Stop/start-car prepared: keeps operating without audible disturbance during engine start at a battery voltage as low as 6 V New best efficiency mode with patented low switching distortion Extreme best efficiency mode (uses information from 4 channels) with 17 % less dissipation for uncorrelated signals compared to 2-channel best efficiency mode. 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 0.25 VP) 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 Temperature controlled gain reduction to prevent audio holes at high junction temperatures Programmable low battery voltage detection to enable 7.5 V or 6 V minimum battery voltage operation Overvoltage protection (load-dump safe up to VP = 50 V) with overvoltage pre-warning at 16 V Offset detection
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