Datasheet

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PCM2912
SLES216 – FEBRUARY 2008
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
BUS
= 5 V, f
S
= 44.1 kHz, f
IN
= 1 kHz, 16-bit data, unless otherwise noted
PCM2912PJT
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
DAC CHARACTERISTICS
Resolution 16 Bits
Audio data channel 1, 2 channel
8, 11.025, 16, 22.05, 32, 44.1,
Sampling frequency kHz
48
DYNAMIC PERFORMANCE
(7)
R
L
> 10 k Ω , V
OUT
= 0 dB of 0.6 V
CCA
0.01% 0.02%
THD+N
R
L
= 32 Ω , V
OUT
= 0 dB of 0.55 V
CCA
0.02% 0.05%
Dynamic range EIAJ, A-Weighted 82 90 dB
S/N ratio EIAJ, A-Weighted 84 92 dB
Channel separation R
L
> 10 k Ω 80 88 dB
DC ACCURACY
Gain mismatch
± 2 ± 10 % of FSR
channel-to-channel
Gain error ± 2 ± 10 % of FSR
Bipolar zero error ± 3 % of FSR
ANALOG OUTPUT
R
L
> 10 k Ω 0.6 V
CCA
Output voltage Vp-p
R
L
= 32 Ω 0.55 V
CCA
Center voltage 0.5 V
CCA
V
R
L
= 32 Ω 13
Output power mW
R
L
= 16 Ω 25
LINE 10 k Ω
Load impedance (AC coupling)
HEADPHONE 16 32 Ω
– 3 dB 140 kHz
LPF frequency response
f = 20 kHz – 0.1 dB
SIDETONE PROGRAMMABLE ATTENUATOR
Gain range – 76 0 dB
Gain step size 1 dB
OUTPUT PROGRAMMABLE ATTENUATOR
Gain range – 76 0 dB
Gain step size 1 dB
ANALOG LOOPBACK PERFORMANCE
(8)
R
L
> 10 k Ω , V
IN
= 0 dB of 0.43 V
CCA
0.01% 0.02%
THD+N
R
L
= 32 Ω , V
IN
= 0 dB of 0.43 V
CCA
0.02% 0.05%
Dynamic range EIAJ, A-weighted 82 90 dB
S/N ratio EIAJ, A-weighted 84 92 dB
(7) f
OUT
= 1 kHz, using Audio Precision ™System Two ™, RMS mode with 20 kHz LPF, 400 Hz HPF. Output attenuator = 0 dB,
Sidetone = Mute.
(8) MIC Amp = 0 dB, Sidetone attenuator = 0 dB, Output attenuator = 0 dB.
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