Product Summary

TDF8591TH/N1S is a high-efficiency class-D audio power ampli?er with low power dissipation for application in car audio systems. The TDF8591TH/N1S is available in an HSOP24 power package with a small internal heat sink. Depending on the supply voltage and load conditions, a small or even no external heat sink is required. The TDF8591TH/N1S operates over a wide supply voltage range from ±14V to ±29V and consumes a low quiescent current.

Parametrics

TDF8591TH/N1S absolute maximum ratings: (1) voltage on pin MODE VMODE: 0 to 8 (referred to SGND2) ; (2) voltage on pin OSC VOSC: 0 to 40V (referred to VSSD); (3) voltage on pin IN1M VIN1M: -5V to +5V (referred to SGND1) ; (4) voltage on pin IN1P VIN1P: -5V to +5V(referred to SGND1) ; (5) voltage on pin IN2M VIN2M: -5V to +5V (referred to SGND2) ; (6) voltage on pin IN2P VIN2P: 5V to +5V (referred to SGND2) ; (7) voltage on pin DIAG VDIAG: 0 to 9V (referred to VSSD) ; (8) output voltage Vo: Vssp -0.3V to VDDp +0.3V.

Features

TDF8591TH/N1S features: (1) Zero dead time switching; (2) Advanced output current protection; (3) No DC offset induced pop noise at mode transitions; (4) High efficiency; (5) Supply voltage from ±14V to ±29V; (6) Low quiescent current; (7) Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL) ; (8) Load (BTL) Fixed gain of 26dB in SE and 32dB in BTL; (9) High BTL output power: 310W into 4Ω; (10) Suitable for speakers in the 2 to 8Ω; (11) High supply voltage ripple rejection; (12) Internal oscillator or synchronized to an external clock; (13) Full short-circuit proof outputs across load and to supply lines; (14) Thermal foldback and thermal protection; (15) AEC-Q100 qualified.

Diagrams

TDF8591TH/N1S Block Diagram

Image Part No Mfg Description Data Sheet Download Pricing
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