Datasheet
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PCM1804
SLES022C – DECEMBER 2001 – REVISED OCTOBER 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= 25 ° C, V
CC
= 5 V, V
DD
= 3.3 V, master mode, single-speed mode, f
S
= 48 kHz, system clock = 256 f
S
,
24-bit data, unless otherwise noted.
PCM1804DB
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
DYNAMIC PERFORMANCE
(8)
V
IN
= – 0.5 dB – 102 – 95
f
S
= 48 kHz, system clock = 256 f
S
V
IN
= – 60 dB – 49
V
IN
= – 0.5 dB – 101
f
S
= 96 kHz, system clock = 256 f
S
Total harmonic distortion
THD+N V
IN
= – 60 dB – 47 dB
plus noise
V
IN
= – 0.5 dB – 101
f
S
= 192 kHz, system clock = 128 f
S
V
IN
= – 60 dB – 47
V
IN
= – 0.5 dB DSD mode – 100
f
S
= 48 kHz, system clock = 256 f
S
106 112
V
IN
= – 60 dB f
S
= 96 kHz, system clock = 256 f
S
112
Dynamic range
dB
(A-weighted)
f
S
= 192 kHz, system clock = 128 f
S
112
DSD mode 112
f
S
= 48 kHz, system clock = 256 f
S
105 111
f
S
= 96 kHz, system clock = 256 f
S
111
SNR (A-weighted) dB
f
S
= 192 kHz, system clock = 128 f
S
111
DSD mode 111
f
S
= 48 kHz, system clock = 256 f
S
97 109
Channel separation f
S
= 96 kHz, system clock = 256 f
S
107 dB
f
S
= 192 kHz, system clock = 128 f
S
107
ANALOG INPUT
Input voltage Differential input ± 2.5 V
Center voltage 2.5 Vdc
Input impedance Single-ended 10 k μ
DIGITAL FILTER PERFORMANCE
Pass-band edge Single rate, dual rate 0.453 f
S
Hz
Stop-band edge Single rate, dual rate 0.547 f
S
Hz
Pass-band ripple Single rate, dual rate ± 0.005 dB
Stop-band attenuation Single rate, dual rate – 100 dB
Pass-band edge ( – 0.005
Quad rate 0.375 f
S
Hz
dB)
Pass-band edge ( – 3 dB) Quad rate 0.49 f
S
Hz
Stop-band edge Quad rate 0.77 f
S
Hz
Pass-band ripple Quad rate ± 0.005 dB
Stop-band attenuation Quad rate – 135 dB
Group delay Single rate, dual rate 37/f
S
s
Group delay Quad rate 9.5/f
S
s
HPF frequency response – 3 dB f
S
/48000 Hz
(8) f
IN
= 1 kHz, using System Two™ audio measurement system by Audio Precision™ in RMS mode, with 20-kHz LPF and 400-Hz HPF in
calculation for single rate, or with 40-kHz LPF in calculation for dual and quad rates.
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Product Folder Link(s): PCM1804