Datasheet

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ELECTRICAL CHARACTERISTICS (continued)
PCM1850A
PCM1851A
SLES173 – MARCH 2006
All specifications at T
A
= 25 ° C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, f
S
= 48 kHz, system clock = 256 f
S
, 24-bit data (unless
otherwise noted)
PCM1850APJT, PCM1851APJT
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
ACCURACY
Gain mismatch, ± 1 ± 3 % of FSR
channel-to-channel
Gain error ± 2 ± 5 % of FSR
Bipolar zero error High-pass filter bypass ± 2 % of FSR
DYANAMIC PERFORMANCE
(1) (2)
f
S
= 48 kHz, V
IN
= –0.5 dB (1.89 Vrms) 0.0023% 0.004%
f
S
= 96 kHz
(4)
,
0.0027%
Total harmonic distortion +
V
IN
= –0.5 dB (1.89 Vrms)
THD+N
noise
(3)
f
S
= 48 kHz, V
IN
= –60 dB (2 mVrms) 1%
f
S
= 96 kHz
(4)
, V
IN
= –60 dB (2 mVrms) 1%
f
S
= 48 kHz, A-weighted 96 102
Dynamic range
(3)
dB
f
S
= 96 kHz
(4)
, A-weighted 102
f
S
= 48 kHz, A-weighted 96 101
S/N Signal-to-noise ratio
(3)
dB
f
S
= 96 kHz
(4)
, A-weighted 102
f
S
= 48 kHz 92 98
Channel separation
dB
(between L-ch and R-ch)
(3)
f
S
= 96 kHz
(4)
100
f
S
= 48 kHz 90 96
Channel separation (among
dB
channels)
(5)
f
S
= 96 kHz
(4)
96
DIGITAL FILTER PERFORMANCE
Pass band 0.454 f
S
Hz
Stop band 0.583 f
S
Hz
Pass-band ripple ± 0.05 dB
Stop-band attenuation –65 dB
Delay time 17.4/f
S
s
HPF frequency response –3 dB 0.019 f
S
mHz
(1) Analog performance specifications are tested with the System Two™ audio measurement system by Audio Precision™, using a 400-Hz
HPF and 20-kHz LPF in the RMS mode at f
IN
= 1 kHz.
(2) Reference level (0 dB) is specified as 2-V rms input on V
IN
L[1:6] and V
IN
R[1:6] pins with PGA gain of –5.5 dB.
(3) Unselected channel inputs are terminated to AGND with 0.33 µ F.
(4) f
S
= 96 kHz, system clock = 256 f
S
.
(5) 2-V rms input is applied to all unselected channels, and input of selected channel is terminated to AGND with 0.33 µ F.
7
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