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Technical information, Environmental specifications, Electrical and audio specifications – Asus 40x/12x/48x CD-RW Drive CRW-4012A User Manual

Page 26

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26

CRW-4012A User’s Manual

Technical Information

Environmental Specifications

Temperature

Operation:

5°C < to < 45°C

Storage:

- 20°C to < 60°C

Humidity

Operation:

20% to 80% non-condensing

Storage:

15% to 85% non-condensing

Vibration

Operation:

0.3G peak at 5 ~ 500 Hz

Storage:

2.0G peak at 10 ~ 500 Hz

Impact

Non-operation:

1 oct/min – no damage
Less than 50G –
(at 11ms/half sine wave,
3 shock/each side)

Packaged:

1 oct/min – no damage
91 cm high –
(1 corner, 3 edges, 6 surfaces)

Acoustic

Access mode:

41.5 dB TYP

Read mode:

44.5 dB TYP

(

Microphone located 50cm in front of the drive, 120cm above the drive at 30° angle.

)

Reliability

MTBF:

100,000 power on hours

ODC (Read):

20% of power on time

ODC (Write):

1% of power on time

Mean Time To Repair (MTTR)

30 minutes

Electrical and Audio Specifications

Power Source

Voltage

+5V DC

+12V DC

Tolerance

+/- 5%

+/- 10%

Ripple

150m Vpp

300m Vpp

Rating

900mA

1500mA

I/O Terminal

Power connector

4-pin +5V, +12V

ATAPI terminal

40-pin

Audio out

4-pin (analog)
2-pin (digital)

Audio

No. of channels

2 (stereo)

Sampling frequency 44.1 kHz
Quantization

16 bits

Distortion

0.2% max. (at 1 kHz)

S/N ratio

70 dB

Output: Headphone 0.7 V rms (typical)

Line Out

0.7 V rms (typical)

* ODC - Operating Duty Cycle