
Japan Radio Corporation
GENERAL DESCRIPTION
The NJU8790 is a pushbutton interface electronic volume with class D stereo power amplifier. It includes input selector, electronic volume, and limiter. The NJU8790 can control the volume and the mode select without the micro-controller by the pushbutton interface. The NJU8790 is suitable for low power consumption and simple control application such as mobile audio player, active speaker and cradle speaker.
FEATURES
● Operating Voltage +2.7 to +5.5V
● Low operating current 10mA typ. (Active mode)
1µA max. (Stand-by mode)
● Output power 2.7W+2.7W (V+= 5V, 4ohm, BTL)
● Output filter-less
● Pop-noise reduction circuit
● Short-circuit protection circuit
● Supply voltage monitoring circuit
● 2-Input 1-Output selector (Single-end / Differential)
● Pushbutton interface EVR 0 to -68dB, MUTE
● Active filter, limiter
● CMOS Technology
● Package Outline SSOP44 (11 x 7.6 x 1.15mm, 0.5mm pitch)