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NJM2781VTE1
NJM2781 Monaural Microphone Amplifier ■ PACKAGE OUTLINE ■ GENERAL DESCRIPTION The 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 MSOP8(TVSP8)* and SSOP8, it is ideally suited for portable and handheld components. NJM2781RB1 MSOP8(TVSP8) NJM2781V ( SSOP8 ) ■ FEATURES ● Operating Voltage ● Operating Current +2.7V to +4.5 V 1.8mA typ. 1µA max. (in Standby mode) ● Bipolar Technology ● Package Outline MSOP8(TVSP8) * SSOP8 *MEET JEDEC MO-187-DA / THIN TYPE ■ BLOCK DIAGRAM NOISE GND 1 8 V+ 7 REG 2 Reg STBY OUT 3 4 IN+ IN- 6 5 ■ PIN FUNCTION No. 4 8 5 FUNCTION No. SYMBOL FUNCTION 1 NOISE Noise Bypass 5 IN- Inverted Input 2 1 SYMBOL REG Regulator Output 6 OUT Output 3 STBY Standby On/Off 7 V+ Power Supply 4 IN+ Non-Inverted Input 8 GND Ground –1–
JRC
日本無線株式会社
日本
産業用および公共用無線通信システムを製造・販売しており、主要営業品目は、通信機器・海上機器・システム機器に大別される。半導体は通信関連デバイス。
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