Travelstar 80GN Hard Disk Drive Specification
27
6.1.3 Conductive noise
The disk drive shall work without soft error degradation in the frequency range from DC to 20 Mhz injected
through any two of the mounting screw holes of the drive when an AC current of up to 45 mA (p-p) is applied
through a 50-ohm resistor connected to any two mounting screw holes.
6.1.4 Magnetic fields
The disk drive will withstand radiation and conductive noise within the limits shown below. The test method is
defined in the Noise Susceptibility Test Method specification, P/N 95F3944.
6.2 DC power requirements
Connection to the product should be made in a safety extra low voltage (SELV) circuits. The voltage specifications
are applied at the power connector of the drive.
61–100
250
101–200
100
201–400
50
Table 15: DC power requirements
Item
Requirements
Nominal supply
+5Volt DC
Supply voltage
–0.3 Volt to 6.0 Volt
Power supply ripple (0–20 MHz)
1
100mV p-p max.
Tolerance
2
±5%
Supply rise time
7–100 ms
Watts (RMS typical)
80GB, 60GB models
40GB, 30GB 20GB
models
Performance Idle average
3
1.85
1.85
Active Idle average
0.95
0.85
Low Power Idle average
0.65
0.65
Read average
4
2.1
2.0
Write average
2.2
2.1
Seek average
5
2.3
2.3
Standby
0.25
0.25
Sleep
0.1
0.1
Startup (max. peak)
6
4.7
4.7
Table 14: Magnetic flux density limits
Frequency (KHz)
Limits (uT RMS)
Содержание IC25N020ATMR04
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