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MITSUMI
IC for Headphone Stereos MM1104
IC for Headphone Stereos
Monolithic IC MM1104
Outline
This IC was developed for use in 3 V headphone stereos. It incorporates all the basic functions of tape players. Mitsumi has previously offered the LAG665, LAG668, LAG673 and MM1006 as one-chip versions. However, this IC is the result of a through review and redesign extending to circuit details.
Features
1. Configuration: Pre-and power amp, motor control 2. Adoption of shock noise prevention circuitry Through the use of a circuit which suppresses noise occurring when the power supply is turned on and off, noise output is reduced without muting. 3. Stable motor speed control circuit A bridge circuit employing power transistors provides motor speed control with minimal drift. 4.