UTC KA22241
LINEAR INTEGRATED CIRCUIT
DUAL EQUALIZER AMPLIFIER WITH ALC
DESCRIPTION
The UTC KA22241 is a monolithic integrated circuit, consisting of dual equalizer amplifier with ALC, and it is suitable for stereo radio cassette tape recorders.
FEATURES
*Dual equalizer amplifier with built-in ALC circuit *Low noise VNI=1.
0µV(Typical) *High open loop voltage gain: Gv=80dB(Typical) *Good ALC response balance between channels *Not necessary the input coupling capacitor *Not necessary the diode or
transistor for ALC *Built in power supply muting circuit *Minimum number of external parts required
SIP-9
BLOCK DIAGRAM
channel 1 mute channel 2
ALC
1
NF1
2
IN1
3
OUT1
4
GND
5
ALC
6
Vcc
7...