Datasheet

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PCM1738
SBAS174C – FEBRUARY 2002 – REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
DD
= 3.3 V, V
CC
= 5 V, SCKI = 256 f
S
(f
S
= 44.1 kHz), and 24-bit input data (unless otherwise
noted)
PCM1738E
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
DIGITAL-FILTER PERFORMANCE
Filter Characteristics 1, Sharp Rolloff
Pass band ± 0.002 dB 0.454 f
S
Hz
Pass band –3 dB 0.49 f
S
Hz
Stop band 0.546 f
S
Hz
Pass-band ripple ± 0.002 dB
Stop-band attenuation Stop band = 0.546 f
S
–75 dB
Stop-band attenuation Stop band = 0.567 f
S
–82 dB
Filter Characteristics 2, Slow Rolloff
Pass band ± 0.04 dB 0.274 f
S
Hz
Pass band –3 dB 0.454 f
S
Hz
Stop band 0.732 f
S
Hz
Pass-band ripple ± 0.002 dB
Stop-band attenuation Stop band = 0.732 f
S
–82 dB
Delay time 29/f
S
sec
De-emphasis error ± 0.1 dB
POWER SUPPLY REQUIREMENTS
V
DD
3 3.3 3.6
Voltage range VDC
V
CC
4.75 5 5.25
V
DD
= 3.3 V, f
S
= 44.1 kHz 7 9.8
I
DD
(4)
V
DD
= 3.3 V, f
S
= 96 kHz 15 mA
V
DD
= 3.3 V, f
S
= 192 kHz 30
Supply current
V
CC
= 5 V, f
S
= 44.1 kHz 33 46.2
I
CC
V
CC
= 5 V, f
S
= 96 kHz 34.5 mA
V
CC
= 5 V, f
S
= 192 kHz 36.5
V
DD
= 3.3 V, V
CC
= 5 V, f
S
= 44.1 kHz 188 263
Power dissipation V
DD
= 3.3 V, V
CC
= 5 V, f
S
= 96 kHz 222 mW
V
DD
= 3.3 V, V
CC
= 5 V, f
S
= 192 kHz 282
TEMPERATURE RANGE
Operation temperature –25 85 ° C
θ
JA
Thermal resistance 100 ° C/W
(4) SCKO is disabled. Input is bipolar zero data.
4
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