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 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 Applica.