TDF8599
I2C-bus controlled dual channel 43 W/2 Ω single channel 85 W/1 Ω class-D power amplifier with load diagnostics
Re...
TDF8599
I2C-bus controlled dual channel 43 W/2 Ω single channel 85 W/1 Ω class-D power amplifier with load diagnostics
Rev. 01 — 13 November 2008 Product data sheet
1. General description
The TDF8599 is a dual Bridge-Tied Load (BTL) car audio amplifier comprising an NDMOST-NDMOST output stage based on SOI BCDMOS technology. Low dissipation enables the TDF8599 high-efficiency, class-D amplifier to be used with a smaller heat sink than those normally used with standard class-AB amplifiers.
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The TDF8599 can operate in either non-I2C-bus mode or I2C-bus mode. When in I2C-bus mode, DC load detection results and fault conditions can be easily read back from the device. Up to five I2C-bus addresses can be selected when an external resistor is connected to pin ADS. When pin ADS is short circuited to ground, the TDF8599 operates in non-I2C-bus mode. Switching between Operating mode and Mute mode in non-I2C-bus mode is only possible using pins EN and SEL_MUTE.
2. Features
I I I I I I I I I I I I I I I High-efficiency Low quiescent current Operating
voltage from 8 V to 18 V Two 4 Ω/2 Ω capable BTL channels or one 1 Ω capable BTL channel Differential inputs Supports I2C-bus mode with five I2C-bus addresses or non-I2C-bus mode operation Clip detect Independent short circuit protection for each channel Advanced short circuit protection for load, GND and supply Load dump protection Thermal foldback and thermal protection DC offset protection Selectable AD or BD modulation Para...