CXA3541N Datasheet | Sony Semiconductor Solutions

2-channel Read/Write Amplifier for GMR-Ind Head Hard Disk Drive Description The CXA3541N is a read/write amplifier for GMR-Ind (Giant Magneto Resistive-Inductive) heads used in hard disk drives, and is capable of supporting up to two channels. Features - +5V and - 3V power supply - Current bias voltage sense type - Low power 180m W at read - Differential read amplifier gain; ×100/135 (RMR = 50Ω) - Input noise of 0.77n V/√ Hz (typ.), RMR = 50Ω, IB = 5.9m A - Recovery time write to read; 300ns (typ.) - Write data is triggered by differential P-ECL signal - Servo bank write - Write unsafe detection circuit - Serial port Head selection MR bias Write current Applications Hard disk drives with GMR-Ind heads Structure Bipolar silicon monolithic IC 24 pin SSOP...