Datasheet4U Logo Datasheet4U.com

CXA1940N - 4ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive

General 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.

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 voltage and temperature drift.
  • 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.

📥 Download Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CXA1940N 4ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive For the availability of this product, please contact the sales office. 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. 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 voltage and temperature drift. • 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.