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KA22241 Dataheets PDF



Part Number KA22241
Manufacturers Unisonic Technologies
Logo Unisonic Technologies
Description DUAL EQUALIZER AMPLIFIER
Datasheet KA22241 DatasheetKA22241 Datasheet (PDF)

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 coupli.

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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  ORDERING INFORMATION Ordering Number Lead Free Halogen Free KA22241L-G09-T KA22241G-G09-T KA22241L-S14-R KA22241G-S14-R Package SIP-9 SOP-14 Packing Tube Tape Reel  MARKING SIP-9 SOP-14 www.unisonic.com.tw Copyright © 2022 Unisonic Technologies Co., Ltd 1 of 6 QW-R110-001.E KA22241  BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT channel 1 mute channel 2 ALC 123456789 NF1 IN1 OUT1 GND ALC VCC OUT2 IN2 NF2 SIP-9 SOP-14 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R110-001.E KA22241 LINEAR INTEGRATED CIRCUIT  ABSOLUTE MAXIMUM RATING (TA = 25°C) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 16 V Power Dissipation SIP-9 SOP-14 PD 550 450 mW Operating Temperature Storage Temperature TOPR TSTG -20 ~ +75 C -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.  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 ∆VALC 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 MIN TYP MAX UNIT 1.0 2.0 μV 0.6 1.2 V 1.5 3.5 4.5 mA 70 80 dB 45 48 50 dB 40 45 dB 0 2.5 dB 0.1 0.3 % 15 25 45 k UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R110-001.E KA22241  TEST CIRCUIT LINEAR INTEGRATED CIRCUIT 2.2µF 1M SW 6 3.9k 330µF SW 7 SW 4 220 2.2k 2.2k TEST METHOD SYMBOL SW1 ICCQ ON GVO ON GVC THD OFF OFF VOUT VNI-1 OFF OFF VNI-2 ∆VALC ON OFF CBALC OFF SW2 OFF OFF ON ON ON ON OFF OFF OFF SW3 1 1 1 1 1 1 1 2 2 SW4 ON ON ON ON ON ON ON OFF OFF 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 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 6 QW-R110-001.E KA22241  TYPICAL APPLICATION CIRCUIT LINEAR INTEGRATED CIRCUIT 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.E KA22241  TYPICAL CHARACTERISTICS Operating Current vs. Temperature 2.90 2.85 2.80 VCC= 7V 2.75 2.70 2.65 -25 0 25 50 75 100 Ambient Temperature, TA (°C) LINEAR INTEGRATED CIRCUIT Maximum Output Voltage vs. Temperature 6.4 6.3 VOH 6.2 6.1 6.0 5.9 5.8 VCC=7V, RL=10kΩ 5.7 0.2~~ 0 -25 VOL 0 25 50 75 Ambient Temperature, TA (°C) 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. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 6 QW-R110-001.E .


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