CXA3238TN Overview
The CXA3238TN/CXA3239TN is a Read/Write amplifier for GMR-Ind (Giant Magneto ResistiveInductive) heads used in hard disk drives, and is capable of supporting up to six channels.
CXA3238TN Key Features
- +5 V and -3 V power supply
- Current bias voltage sense type
- Drives up to six heads (CXA3238TN)
- Drives up to four heads (CXA3239TN)
- Low power 180 mW at Read
- Differential read amplifier gain ; ×140/190 (RMR=50 Ω)
- Input noise of 0.77 nV/ √ Hz (typ.), RMR=50 Ω, IB=6.0 mA
- Recovery time write to read ; 300 nsec. (typ.) Write data is triggered by differential P-ECL signal. Servo bank write. (