S1A0234B01 S1A0234B01 monolithic integrated circuit developed ter
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BAND DUAL GRAPHIC
S1A0234B01
S1A0234B01 monolithic integrated circuit developed tereo band graphic equalizer amplifier. consists operational amplifier, four resonant circuits with active filter. suitable radio cassette-tape recorders, stereos music centers. 24-SZIP-275
FEATURES
Tone control with independent adjustment each band through external capacitor Gain control through external variable resistor (Gain ±11dB) Excellent cross talk characteristics 70dB Typ, Wide operating supply voltage range: 3.5V
ORDERING INFORMATION
Device S1A0234B01-Y0B0 Package 24-SZlP-275 Operating Temperature -20°C
BLOCK DIAGRAM
BUFFER OUT2
BASE1
BASE2
BASE3
BASE4
BIAS
BASE1
BASE2
BASE3
BASE4 OUT1 BUFFER
S1A0234B01
BAND DUAL GRAPHIC
ABSOLUTE MAXIMUM RATINGS 25°C)
Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol TOPR TSTG Value Unit
ELECTRICAL CHARACTERISTICS
25°C, 20K, Flat Mode, unless otherwise specified) Test Conditions Characteristic Quiescent Circuit Current Output Voltage Total Harmonic Distortion Channel Balance Cross Talk Output Noise Voltage Flat Symbol ICCQ (Flat) f(Hz) Conditions Min. -1.0 -2.0 Typ. -1.5 Max. 10.0 Unit
Flat, 2.2K BW(-3 10Hz 30kHz 100mV
Boost
(Boost)
100mV
11.0
14.0
Voltage Gain
(Cut) 100mV -14.0 -11.0 -9.0
BAND DUAL GRAPHIC
S1A0234B01
TEST CIRCUIT
0.022µF 100Hz 300Hz 1kHz 3kHz 10kHz
OUT2 0.033µ 0.33µ 0.01µ 0.1µ 0.0033µ 0.033µ 0.001µ 4.7µ 4.7µ 4.7µ
S1A0234B01
4.7µ 0.033µ 0.01µ 0.33µ 0.0033µ 0.1µ 0.001µ 0.033µ 220µF 100Hz 300Hz 1kHz 3kHz 0.022µF 10kHz OUT1
S1A0234B01
BAND DUAL GRAPHIC
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