UNISONIC TECHNOLOGIES CO., LTD 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 Lead-free: KA22241L Halogen-free: KA22241G ORDERING INFORMATION Normal KA22241-S14-T KA22241-S14-R KA22241-G09-T Ordering Number Lead Free KA22241L-S14-T KA22241L-S14-R KA22241L-G09-T Halogen Free KA22241G-S14-T KA22241G-S14-R KA22241G-G09-T Package Packing SOP-14 SOP-14 SIP-9 Tube Tape Reel Tube KA22241L-S14-T (1)Packing Type (1) R: Tape Reel, T: Tube (2)Package Type (2) S14: SOP-14, G09: SIP-9 (3)Lead Plating (3) G: Halogen Free, L: Lead Free, Blank: Pb/Sn www.unisonic.com.tw Copyright © 2008 Unisonic Technologies Co., Ltd 1 of 6 QW-R110-001,C KA22241 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM channel 1 channel 2 mute ALC 1 NF1 2 3 4 5 IN1 OUT1 GND ALC 6 Vcc 7 8 OUT2 IN2 9 NF2 SIP-9 SOP-14 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R110-001,C KA22241 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING (Ta=25℃) PARAMETER SYMBOL VCC RATINGS UNIT 16 V SIP-9 550 Power Dissipation PD mW SOP-14 450 Operating Temperature TOPR -20 ~ 75 °C Storage Temperature TSTG -20 ~ 125 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage ELECTRICAL CHARACTERISTICS (Ta=25°C, VCC=7V, f=1KHZ, unless otherwise specified) PARAMETER Input Noise Voltage Output Voltage Quiescent Circuit Current Open Loop Voltage Gain Closed Loop Voltage Gain ALC Range ALC Balance Total Harmonic Distortion Input Resistance SYMBOL VIN VOUT ICCQ GVO GVC ΔVALC CBALC THD RIN TEST CONDITIONS RG=2.2KΩ BW(-3dB)=20HZ~20KHZ THD=1% VIN=0 VOUT=0.3V VOUT=0.3V RO=3.9KΩ, THD=10% VIN=1mV VOUT=0.3V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 0.6 1.5 70 45 40 15 TYP MAX UNIT 1.0 2.0 μV 1.2 3.5 80 48 45 0 0.1 25 4.5 50 2.5 0.3 45 V mA dB dB dB dB % kΩ 3 of 6 QW-R110-001,C KA22241 SW 6 TEST METHOD SYMBOL SW1 ICCQ ON GVO ON GVC OFF THD OFF VOUT OFF VNI-1 OFF VNI-2 ON ΔVALC OFF CBALC OFF SW2 OFF OFF ON ON ON ON OFF OFF OFF SW3 1 1 1 1 1 1 1 2 2 2.2k 220 2.2k 3.9k SW 7 SW 4 1M 330µF TEST CIRCUIT 2.2µF LINEAR INTEGRATED CIRCUIT SW4 ON ON ON ON ON ON ON OFF OFF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw SW5 3 1 1 1 1 2 3 1 1 SW6 ON ON ON ON ON ON ON OFF OFF SW7 ON ON ON ON ON ON ON ON OFF SW8 3 3 3 3 3 3 2 3 1 SW9 1 1 1 1 1 1 1 1 2 SW10 OFF OFF OFF OFF OFF OFF ON OFF OFF SW11 ON ON ON ON ON ON OFF ON OFF 4 of 6 QW-R110-001,C KA22241 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT channel 1 channel 2 mute ALC 4 5 7 8 330 µF 1M 22µF 9 Vcc=7V 3.9k 220 10µF 10µF 10µF 3.9k 39 100 µF 6 R1 15k 39 3 100µF 2 R1 15k 10µF 1 Note: On playback, connect the time constant circuit as follows below, instead of R1 of PINS 1, 3, 7, 9, which are used in the NAB. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R110-001,C KA22241 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Operating Current vs. Temperature Maximum Output Voltage vs. Temperature 2.90 6.4 VOH 6.3 2.85 6.2 6.1 VCC= 7V 2.80 6.0 5.9 2.75 VCC=7V, RL=10kΩ 5.8 5.7 2.70 0.2 2.65 -25 25 50 75 0 Ambient Temperature, Ta ( ) 100 0 ~ ~ VOL -25 25 75 0 50 Ambient Temperature, Ta ( ) 10 0 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 6 QW-R110-001,C