Datasheet

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PCM1742
SBAS176A – DECEMBER 2000 – REVISED APRIL 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25°C, V
CC
= 5 V, V
DD
= 3.3 V, f
S
= 44.1 kHz, system clock = 384 f
S
, and 24-bit data (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
PCM1742KE
V
OUT
= 0 dB, f
S
= 44.1 kHz 0.002% 0.006%
V
OUT
= 0 dB, f
S
= 96 kHz 0.003%
V
OUT
= 0 dB, f
S
= 192 kHz 0.004%
THD+N Total harmonic distortion + noise
V
OUT
= –60 dB, f
S
= 44.1 kHz 0.65%
V
OUT
= –60 dB, f
S
= 96 kHz 0.8%
V
OUT
= –60 dB, f
S
= 192 kHz 0.95%
EIAJ, A-weighted, f
S
= 44.1 kHz 100 106
Dynamic range A-weighted, f
S
= 96 kHz 104 dB
A-weighted, f
S
= 192 kHz 102
EIAJ, A-weighted, f
S
= 44.1 kHz 100 106
SNR Signal-to-noise ratio A-weighted, f
S
= 96 kHz 104 dB
A-weighted, f
S
= 192 kHz 102
f
S
= 44.1 kHz 97 103
Channel separation f
S
= 96 kHz 101 dB
f
S
= 192 kHz 100
Level linearity error V
OUT
= –90 dB ±0.5 dB
DC ACCURACY
Gain error ±1 ±6 % of FSR
Gain mismatch, channel-to-channel ±1 ±3 % of FSR
Bipolar zero error V
OUT
= 0.5 V
CC
at bipolar zero ±30 ±60 mV
ANALOG OUTPUT
Output voltage Full scale (0 dB) 0.62 V
CC
Vp-p
Center voltage 0.5 V
CC
Vdc
Load Impedance AC load 5 k Ω
DIGITAL FILTER PERFORMANCE
Filter Characteristics, Sharp Rolloff
Pass band ±0.03 dB 0.454 f
S
Pass band –3 dB 0.487 f
S
Stop band 0.546 f
S
Pass-band ripple ±0.03 dB
Stop band = 0.546 f
S
–50
Stop-band attenuation dB
Stop band = 0.567 f
S
–55
Filter Characteristics, Slow Rolloff
Pass band ±0.5 dB 0.198 f
S
Pass band –3 dB 0.39 f
S
Stop band 0.884 f
S
Pass-band ripple ±0.5 dB
Stop-band attenuation Stop band = 0.884 f
S
–40 dB
Delay time 20/f
S
s
De-emphasis error ±0.1 dB
ANALOG FILTER PERFORMANCE
f = 20 kHz –0.03
Frequency response dB
f = 44 kHz –0.20
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