1. General description
The TDA8559T is a stereo ampli?er that operates over a wide supply voltage range from
1.9 V to 30 V and consumes a very low quiescent current. This makes it suitable for
battery fed applications (2 × 1.5 V cells). Because of an internal voltage buffer, this device
can be used with or without a capacitor connected in series with the load. It can be
applied as a headphone ampli?er, but also as a mono ampli?er with a small speaker
(25 ?), or as a line driver in mains applications.
2. Features
n Operating voltage from 1.9 V to 30 V
n Very low quiescent current
n Low distortion
n Few external components
n Differential inputs
n Usable as a mono ampli?er in Bridge-Tied Load (BTL) or stereo Single-Ended (SE)
n Single-ended mode without loudspeaker capacitor
n Mute and Standby mode
n Short-circuit proof to ground, to supply voltage (< 10 V) and across load
n No switch on or switch off clicks
n ESD protected on all pins