Apple MB871LL User Manual - Page 102

Analog audio out using the headphone jack typical values, Analog audio line in typical values

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Analog audio out using the headphone jack (typical values) Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz output sample rate into 150 ohms, unless otherwise specified below.  Output voltage: 1.3 volts (root mean square) (Vrms) (+4.5 dBu)  Output impedance: 55 ohms  Output power: 53 milliwatts (mW) into 32 ohms  Signal-to-noise ratio: Greater than 90 dB  Total harmonic distortion + noise: Less than -70 dB (.03 percent)  Channel separation: Greater than 50 dB Analog audio line in (typical values) Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz output sample rate, unless otherwise specified below.  Maximum input voltage: 2 Vrms (+8.2 dBu)  Input impedance: Greater than 17 kilohms  Signal-to-noise ratio: Greater than 90 dB  Total harmonic distortion + noise: Less than -85 dB (.006 percent)  Channel separation: Greater than 85 dB Analog audio line out (typical values) Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz output sample rate into 100 kilohms, unless otherwise specified below.  Output voltage: 2 Vrms (+8.2 dBu)  Output impedance: 33 ohms 102 Chapter 5 What's Under the Hood

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102
Chapter 5
What’s Under the Hood
Analog audio out using the headphone jack (typical values)
Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz
output sample rate into 150 ohms, unless otherwise specified below.
Â
Output voltage:
1.3 volts (root mean square) (V
rms
) (+4.5 dBu)
Â
Output impedance:
55 ohms
Â
Output power:
53 milliwatts (mW) into 32 ohms
Â
Signal-to-noise ratio:
Greater than 90 dB
Â
Total harmonic distortion + noise:
Less than -70 dB (.03 percent)
Â
Channel separation:
Greater than 50 dB
Analog audio line in (typical values)
Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz
output sample rate, unless otherwise specified below.
Â
Maximum input voltage:
2 V
rms
(+8.2 dBu)
Â
Input impedance:
Greater than 17 kilohms
Â
Signal-to-noise ratio:
Greater than 90 dB
Â
Total harmonic distortion + noise:
Less than -85 dB (.006 percent)
Â
Channel separation:
Greater than 85 dB
Analog audio line out (typical values)
Based on a typical situation with playback of a 1 kHz, -3dBFS 24-bit sine wave, 44.1 kHz
output sample rate into 100 kilohms, unless otherwise specified below.
Â
Output voltage:
2 V
rms
(+8.2 dBu)
Â
Output impedance:
33 ohms