7 DOT LEVEL METER DRIVER Audio circuit using KA2288
7 DOT LEVEL METER DRIVER circuit using KA2288
The KA2288 is a monolithic integrated circuit consisting of 7-dot LED level meter drives. KA2288 employs a low noise comparator which provides 10dB lower noise in the LW, MW band than the previously mentioned LED drivers.
FEATURES
LED current can be st by an external resistor.
Internal detection amplifier.
Internal voltage regulator.
Constant current output.
Fitted with a signal detect output pin.
VU meter scale.