5 DOT LED LEVEL METER DRIVER
INTRODUCTION
The KA2284B and KA2285B are monolithic integrated circuits designed for 5-dot LED level meter drivers with a built-in rectifying amplifier. It is suitable for AC/DC level meters such as VU meters or signal meters.
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 KA2284B:IO= 15mA (Тур) KA2285B: lo = 7mA (Тур)
Wide operating supply voltage range: Vcc = 3.5V - 1 6V
Minimum number of external parts required
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