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12
1.11.2 Power consumption
In the table below, the values apply at the drive power connector. Current
was measured with an RMS DC ammeter.
Spinup
Current at +12V
Amps peak
1.9
RMS amps typ
—
Watts typ
—
Current at +5V
RMS amps typ
—
Watts typ
—
Power
Total watts typ
7.00
1.12 Input noise
Voltage tolerance
(including noise)
Input noise frequency
(max)
Input noise
(max, peak-to-peak)
1.13 Environmental specifications
1.13.1 Ambient temperature
Operating
Nonoperating
Medalist 1270 Product Manual, August 1995
Read/
Seeking
write
—
—
0.398
0.185
4.77
2.22
0.360
0.404
1.80
2.02
6.60
4.50
+5V
± 5%
25 MHz
100 mV
5 ° C to 55 ° C (41 ° F to 131 ° F)
–40 ° C to 70 ° C (–40 ° F to 158 ° F)
Idle
Standby
—
—
0.118
0.012
1.41
0.144
0.225
0.164
1.12
0.82
2.75
1.0
+12V
± 5%
25 MHz
240 mV
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