CXA1940N Description
The CXA1940N is a Read/Write Amplifier for the thin film head of hard disk drives and designed to handle up to 4-channel heads.
CXA1940N Key Features
- Operate on single +5V power supply
- Low power consumption. Read : 95mW Write (IW=20mA) : 130mW+IW × 5 Power save : 5.5mW
- Write current can be varied through an external resistor. Built-in stabilizing circuit provides stable current during vo
- Drives up to 4 heads
- Designed for two-terminal thin-film or MIG heads
- Built-in power save function
- Read amplifier emitter follower output featuring 290 times gain (Typ.)
- Built-in Write unsafe detection circuit
- Built-in supply voltage monitor circuit prohibits incorrect Write during power on or abnormal voltage
- Built-in IC protection circuit for short of head and GND