5 DOT DUAL LED LEVEL METER DRIVER using KA2284 / KA2285
5 DOT DUAL LED LEVEL METER DRIVER using KA2284 / KA2285
5 DOT DUAL LED LEVEL METER DRIVER using KA2284 / KA2285
5 DOT DUAL LED LEVEL METER DRIVER
The KA2284 / KA2285 are a 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 LED of bar type. (-10,-5,0,3,6dB)
Constant current output.
KA2284: Io= 15mA Typ.
KA2285: Io= 7mA Typ.
Wide operating supply voltage range: Vcc= 3.5V~16V.
Minimum number of external parts required.
5-DOT DUAL LED LEVEL METER DRIVER KA2281B
5-DOT DUAL LED LEVEL METER DRIVER
The KA2281 is a monolithic integrated circuit consisting of a 2-channel LED level meter driver which was disigned for use in stereo radio cassette tape recorders and home stereos.
FEATURES
Comparator AC level (-16,-11,-6,-3, 0dB)x2.
Capable of driving red/green,yellow LEDs.
Externally adjustable gain of input amplifier.
Wide operating supply volatge range: Vcc=5V~14V.
10-dot dual output combinated with the KA2283.
Applicable to 10-dot mono output.
High input impedance.
A minimum number of external parts required.
5-DOT DUAL LED LEVEL METER DRIVER KA2281A
