CXA3541N Overview
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.
CXA3541N Key Features
- +5V and -3V power supply
- Current bias voltage sense type
- Low power 180mW at read
- Differential read amplifier gain; ×100/135 (RMR = 50Ω)
- Input noise of 0.77nV/√ Hz (typ.), RMR = 50Ω, IB = 5.9mA
- 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