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THIS IS FOR (1 PC) OF ML4401YCQ BY MICRO LINEAR

IC Analog Circuit, PLCC-28
GENERAL DESCRIPTIONThe ML4401 provides all of the analog circuitry necessary forthe demodulation of di-bit servo signal information inWinchester disk drives. It interfaces to the servo head preampand provides quadrature position signal outputs for the servocontroller circuitry.The ML4401 includesa high-performance 592-type inputamplifier and differential AGC circuit. External logic is designed to meet the needs of the particular servo system utilizing the VCO and Charge Pump to create a PLL time base forPeak Detector gating. The SYNC output provides servo channel timing information for the logic.The ML4401 when combined with the ML4402ML4406/07/08 Servo Driver, the ML4403, ML4413 ServoController and the ML4404 Trajectory Generator,provides a flexible closed-loop servo control system.