CXA3238TN Datasheet | Sony Semiconductor Solutions

CXA3238TN/CXA3239TN 6/4-channel Read/Write Amplifier for GMR-Ind Head Hard Disk Drive For the availability of this product, please contact the sales office. Description The CXA3238TN/CXA3239TN 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 six channels. 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 m W at Read - Differential read amplifier gain ; ×140/190 (RMR=50 Ω) - Input noise of 0.77 n V/ √ Hz (typ.), RMR=50 Ω, IB=6.0 m A. - - - - - Recovery time write to read ; 300 nsec. (typ.) Write data is triggered by differential P-ECL signal. Servo bank write. (All channels) 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 38 pin TSSOP...