LD3301-X Datasheet (Ldic) - 1 and 2-Channel 5V or 3.3V GMR Head Preamplifier

LD3301-X, 1 and 2-Channel 5V or 3.3V GMR Head Preamplifier

The LD3301-1, LD3301-2 are BiCMOS devices that support a 1-channel (2-channel) GMR Preamplifier.

They are designed for use with 4-terminal magnetoresistive recording heads, providing a low noise GMR head amplifier, GMR bias current control, thin film write driver, write current control, thermal aspe

LD3301-X Features

* and thresholds are controlled through a serial port interface. This product requires +3.3V or +5V supply voltage. Available in flip-chip or TSSOP packages. GMR resistor range: 25Ω to 65Ω Programmable 5 bit GMR head bias current: Ib = 2mA-9.75mA Programmable gain control: 130V/V & 200V/V @ Rmr = 35Ω,