PCM1794A
ZHCSEE9B –AUGUST 2004–REVISED DECEMBER 2015
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Electrical Characteristics (continued)
all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit
data, unless otherwise noted
PARAMETER
TEST CONDITIONS
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
EIAJ, A-weighted, fS = 192 kHz
fS = 44.1 kHz
MIN
TYP
127
127
127
123
122
120
±1
MAX
UNIT
123
Signal-to-noise ratio
dB
120
Channel separation
fS = 96 kHz
dB
dB
fS = 192 kHz
Level linearity error
VOUT = –120 dB
DYNAMIC PERFORMANCE (4.5-V RMS Output)(1)(3)
fS = 44.1 kHz
0.0004%
0.0008%
0.0015%
129
THD+N at VOUT = 0 dB
Dynamic range
fS = 96 kHz
fS = 192 kHz
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
EIAJ, A-weighted, fS = 192 kHz
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
EIAJ, A-weighted, fS = 192 kHz
fS = 44.1 kHz
129
dB
dB
dB
129
129
Signal-to-noise ratio
129
129
124
Channel separation
fS = 96 kHz
123
fS = 192 kHz
121
DYNAMIC PERFORMANCE (MONO MODE)(1)(3)
THD+N at VOUT = 0 dB
fS = 44.1 kHz
0.0004%
0.0008%
0.0015%
132
fS = 96 kHz
fS = 192 kHz
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
EIAJ, A-weighted, fS = 192 kHz
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
EIAJ, A-weighted, fS = 192 kHz
Dynamic range
132
dB
dB
132
132
Signal-to-noise ratio
132
132
ANALOG OUTPUT
Gain error
–6
–3
–2
±2
±0.5
±0.5
7.8
6
3
2
% of FSR
% of FSR
% of FSR
mA p-p
mA
Gain mismatch, channel-to-channel
Bipolar zero error
At BPZ
Output current
Full scale (0 dB)
At BPZ
Center current
–6.2
DIGITAL FILTER PERFORMANCE
De-emphasis error
±0.004
dB
FILTER CHARACTERISTICS-1: SHARP ROLLOFF
±0.00001 dB
–3 dB
0.454 fS
0.49 fS
Pass band
Stop band
0.546 fS
–130
Pass-band ripple
±0.00001
dB
dB
s
Stop-band attenuation
Stop band = 0.546 fS
Delay time
55/fS
FILTER CHARACTERISTICS-2: SLOW ROLLOFF
±0.04 dB
–3 dB
0.254 fS
0.46 fS
Pass band
(3) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 26.
6
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