2 Channel Voltage Sense Amr/gmr Preamplifiers

The L6326 is a two channel BICMOS monolithic inte- grated circuit GMR pre-amplifier designed for use with four-terminal magneto-resistive (AMR and GMR heads) read/inductive write heads. The device con- sists of a voltage sense current bias or voltage bias (selectable), single ended input/ true differential out- put (RDX, RDY), low-noise high bandwidth read am- plifier and includes fast current switching write drivers which support data rates up to 500 Mb/s with 90nH write heads. The GMR pre-amplifier provides programmable read current/voltage bias and write current (5 bit DACs), fault detection circuitry and servo writing features. Read Amplifier gain, write current wave shape (over- shoot and damping) CAN be adjusted and a thermal asperity detection and correction circuit CAN be en- abled and programmed with different thresholds (6 bit DAC) through a 16-bit bi-directional serial inter- face (SDEN, SDATA, SCLK). The device operates from a +5V supply and a +8V supply (typical) for the write drivers. No external components are required if the internal trimmed resistor for reference current setting is selected. By STMicroelectronics
L6326 's PackagesL6326 's pdf datasheet

L6326 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
L6326 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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