Product Summary

The HA16612g is an 8-channel read and write circuit with very low noise amplifier for small hard disk drives. The applications of the HA16612g include Read amplifier circuit, Write driver circuit, Write unsafe detection circuit, Write current source circuit.

Parametrics

HA16612g absolute maximum ratings: (1)Supply Voltage, V5: -0.3 to 6.0 V; (2)Supply Voltage, V12: -0.3 to 14.0 V; (3)Write Current, LW: 60 mA; (4)Interface Input Voltage, VIN: -0.3 to +0.3 V.

Features

HA16612g features: (1)Single polarity power supplies +5 V, 12 V; (2)Low noise ≤ 1nV/Hz; (3)Read amplifier has a high differential voltage gain of 200 typ; (4)Emitter followed read amplifier outputs; (5)Adjustable write current with an external resistor; (6)Supply voltage monitor circuit inhibit miss writing at the lower supply voltage; (7)TTL compatible interface; (8)Small surface mount package; (9)I/O pin separated pin arrangement.

Diagrams

HA16612g block diagram