Datasheet Summary
Monaural Microphone Amplifier
I GENERAL DESCRIPTION NJM2781 is a monaural microphone amplifier IC with a standby function, and can vary a voltage gain by adjusting an external resistor. Since the NJM2781 operates with a low voltage range of +2.7V to +4.5V and is available in tiny packages of TVSP8 and SSOP8, it is ideally suited for portable and handheld ponents. I PACKAGE OUTLINE
NJM2781RB1
NJM2781V
I Features
G Operating Voltage G Operating Current G Bipolar Technology G Package Outline I BLOCK DIAGRAM +2.7V to +4.5 V 1.8mA typ. 1µA max. (in Standby mode) TVSP8, SSOP8
NOISE
8 7 6 5
STBY
Reg
V+
3 4
IN+
IN-
I PIN FUNCTION
No. 1 8 1 2 4 5 3 4...