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32R2214RX - 4-Channel Thin Film Read/Write Device

Datasheet Summary

Description

The SSI 32R2214RX is a BiCMOS monolithic integrated circuit designed for use with two-terminal recording heads.

It provides a low noise read amplifier, write current control, and data protection circuitry for up to four channels.

The SSI 32R2214RX has an internal 900Ω damping resistor.

Features

  • +5V ±10% supply Low power - PD = 105 mW read mode (Nom) - PD = 1.0 mW Idle (Max) High Performance: - Read mode gain = 300 V/V - Input noise = 0.50 nV/√Hz (Nom) - Input capacitance = 7 pF (Nom) - Write current range = 3-25 mA - Nominal write current (20 mA) rise/fall time = 7.7 ns (Nom) (typical head) - Head voltage swing = 7.8 Vpp (Nom).
  • Servo bank-write capability Self switching damping resistance Write unsafe detection (continued).

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Datasheet Details

Part number 32R2214RX
Manufacturer ETC
File Size 50.78 KB
Description 4-Channel Thin Film Read/Write Device
Datasheet download datasheet 32R2214RX Datasheet
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    SSI 32R2214RX +5V, 4-Channel Thin Film Read/Write Device Prototype March 1995 DESCRIPTION The SSI 32R2214RX is a BiCMOS monolithic integrated circuit designed for use with two-terminal recording heads. It provides a low noise read amplifier, write current control, and data protection circuitry for up to four channels. The SSI 32R2214RX has an internal 900Ω damping resistor. The damping resistor is switched in during write mode and switched out during read mode. Power supply fault protection is provided by disabling the write current generator during power sequencing. System write to read recovery time is significantly improved by making the read channel outputs high impedance. Two guard pins are provided for maximum supply noise rejection.
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