PCM1804
SLES022A – DECEMBER 2001
electrical characteristics, all specifications at T = 25°C, V
= 5 V, V
= 3.3 V, master mode,
A
CC
DD
single-speed mode, f = 48 kHz, system clock = 256 f , 24-bit data (unless otherwise noted)
S
S
(continued)
PCM1804DB
TYP
PARAMETER
DYNAMIC PERFORMANCE (see Note 8)
TEST CONDITIONS
UNIT
MIN
MAX
V
= –0.5 dB
= –60 dB
= –0.5 dB
= –60 dB
= –0.5 dB
= –60 dB
–102
–49
–101
–47
–101
–47
–100
112
112
112
112
111
–95
IN
IN
IN
IN
IN
IN
IN
f
f
f
= 48 kHz, System clock = 256 f
= 96 kHz, System clock = 256 f
S
S
S
S
S
V
V
V
V
V
V
Total harmonic distortion
plus noise
THD+N
dB
= 192 kHz, System clock = 128 f
S
= –0.5 dB DSD mode
f
S
f
S
f
S
= 48 kHz, System clock = 256 f
= 96 kHz, System clock = 256 f
106
105
97
S
V
IN
= –60 dB
S
Dynamic range (A-weighted)
dB
= 192 kHz, System clock = 128 f
S
DSD mode
f
S
f
S
f
S
= 48 kHz,
= 96 kHz,
System clock = 256 f
System clock = 256 f
S
S
S
111
SNR (A-weighted)
Channel separation
dB
dB
= 192 kHz, System clock = 128 f
111
DSD mode
111
f
S
f
S
f
S
= 48 kHz,
= 96 kHz,
System clock = 256 f
System clock = 256 f
109
107
107
S
S
S
= 192 kHz, System clock = 128 f
ANALOG INPUT
Input voltage
Differential input
Single end
±2.5
2.5
10
V
Center voltage
Input impedance
VDC
kΩ
DIGITAL FILTER PERFORMANCE
Pass-band edge
Single rate, dual rate
Single rate, dual rate
Single rate, dual rate
Single rate, dual rate
0.453 f
Hz
Hz
dB
dB
Hz
Hz
Hz
dB
dB
s
S
Stop-band edge
0.547 f
S
Pass-band ripple
±0.005
Stop-band attenuation
–100
Pass-band edge (–0.005 dB) Quad rate
0.375 f
0.49 f
S
S
Pass-band edge (–3 dB)
Stop-band edge
Quad rate
Quad rate
Quad rate
Quad rate
0.77 f
S
Pass-band ripple
±0.005
Stop-band attenuation
Group delay
–135
37/f
S
HPF frequency response
–3 dB
f /48000
S
Hz
NOTE 8:
f
= 1 kHz, using Audio Precision’s System II, RMS mode with 20-kHz LPF and 400-Hz HPF in calculation for single rate, with 40-kHz
IN
LPF for dual and quad rate in calculation.
6
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