VM3500
FEATURES
V4 ,M63, 5o0r08 -C ha nn el, PE CL or T T L WD I, S ervo W rite , Ve ry H igh Pe rfo rm an ce
- General
- Single Power Supply (5 V ± 10%)
- Power Up/Down Data Protect Circuitry
- Very Low Power Dissipation (3 m W Typical in Sleep Mode)
- Reduced Write-to-Read Recovery Time
- Head Inductance Range = 0.2
- 1 µH (0.54 µH Typical)
- Write Unsafe Detection
- Available in 4, 6 or 8 Channels
- High Performance Reader
- Read Gain = 300 V/V Typical
- Input Noise = 0.5n V/ÐHz Typical
- Low Input Capacitance = 8 p F Typical
- High Speed Writer
- Write Current Range 5
- 25 m A
- IW Rise/Fall Times = 3.3 ns (LH = 0.54 µH, IW = 10 m A b-p)
- PECL or TTL Write Data Inputs
- Multi-Channel Servo Write
- Write Current Range (Servo) 5
- 20 m A
- Optional Write Data Flip-Flop
DESCRIPTION
The VM3500 is a high-performance read/write preamplifier designed for use in high-end disk drives. It provides write current...
