TDF8590TH
2 × 80 W SE (4 Ω) or 1 × 160 W BTL (8 Ω) class-D amplifier
Rev. 02 — 23 April 2007
Product data sheet
1. General description
The TDF8590TH is a high-efficiency class-D audio power amplifier with low power
dissipation for application in car audio systems. The typical output power is 2 × 80 W
into 4 Ω.
The TDF8590TH 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 amplifier operates over a wide supply voltage range from ±14 V
to ±29 V and consumes a low quiescent current.
2. Features
I Zero dead time switching
I Advanced output current protection
I No DC offset induced pop noise at mode transitions
I High efficiency
I Supply voltage from ±14 V to ±29 V
I Low quiescent current
I Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied
Load (BTL)
I Fixed gain of 26 dB in SE and 32 dB in BTL
I High BTL output power: 160 W into 8 Ω, 120 W into 4 Ω
I Suitable for speakers in the range of 2 Ω to 8 Ω
I High supply voltage ripple rejection
I Internal oscillator or synchronized to an external clock
I Full short-circuit proof outputs across load and to supply lines
I Thermal foldback and thermal protection
3. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
TDF8590TH
HSOP24
plastic, heatsink small outline package; 24 leads;
low stand-off height
Version
SOT566-3