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5 DOT LED LEVEL METER DRIVER
S1A2284A01/02
INTRODUCTION
The S1A2284A01 and S1A2284A02 are monolithic integrated circuits designed for 5-dot LED level meter drivers with a builtin rectifying amplifier. It is suitable for AC/DC level meters such as VU meters or signal meters. 9−SIP
FEATURES
• • • • High gain rectifying amplifier included (GV = 26dB) Low radiation noise when LED turns on Logarithmic indicator for 5-dot bar type LED (−10, −5, 0, 3, 6dB) Constant current output S1A2284A01: lo = 15mA (Typ) S1A2284A02: Io = 7mA (Typ) Wide operating supply voltage range: VCC = 3.