Datasheet Summary
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LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO s GENERAL DESCRIPTION The NJM2171A is a low voltage headphone amplifier designed for portable audio items. The NJM2171A operates directly for battery supply. It includes mute and standby circuit which require few external ponents and realize low current consumption and very low turn-noise at standby mode. It is suitable for portable Mini-Disc, portable pact-Disc, and other headphone amplifier application. s PACKAGE OUTLINE
NJM2171AR s Features q Operating Voltage
V 1=1.8 to 4.5V + V 2=0.9 to 4.5V + q Operating Current 450µA typ. @V 1=2.3V + 700µA typ. @V 2=1.2V q Supply Current in Power Down Mode +...