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DSD1792
SLES067B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
3
ELECTRICAL CHARACTERISTICS (Continued)
all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data unless otherwise noted
PARAMETER
TEST CONDITIONS
DSD1792DB
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL INPUT/OUTPUT
Logic family
TTL compatible
VIH
Input logic level
2
VDC
VIL
Input logic level
0.8
VDC
IIH
Input logic current
VIN = VDD
10
A
IIL
Input logic current
VIN = 0 V
–10
A
VOH
Output logic level
IOH = –2 mA
2.4
VDC
VOL
Output logic level
IOL = 2 mA
0.4
VDC
IOHZ
High-impedance output logic current(1)
VOUT = VDD
10
A
IOLZ
High-impedance output logic current(1)
VOUT = 0 V
–10
A
DYNAMIC PERFORMANCE (PCM MODE, 2-V RMS OUTPUT) (2)(3)
fS = 44.1 kHz
0.0004%
0.0008%
THD+N at VOUT = 0 dB
fS = 96 kHz
0.0008%
THD+N at VOUT = 0 dB
fS = 192 kHz
0.0015%
EIAJ, A-weighted, fS = 44.1 kHz
123
127
Dynamic range
EIAJ, A-weighted, fS = 96 kHz
127
dB
Dynamic range
EIAJ, A-weighted, fS = 192 kHz
127
dB
EIAJ, A-weighted, fS = 44.1 kHz
123
127
Signal-to-noise ratio
EIAJ, A-weighted, fS = 96 kHz
127
dB
Signal-to-noise ratio
EIAJ, A-weighted, fS = 192 kHz
127
dB
fS = 44.1 kHz
120
123
Channel separation
fS = 96 kHz
122
dB
Channel separation
fS = 192 kHz
120
dB
Level Linearity Error
VOUT = –120 dB
±1
dB
DYNAMIC PERFORMANCE (PCM Mode, 4.5-V RMS Output) (2)(4)
fS = 44.1 kHz
0.0004%
THD+N at VOUT = 0 dB
fS = 96 kHz
0.0008%
THD+N at VOUT = 0 dB
fS = 192 kHz
0.0015%
EIAJ, A-weighted, fS = 44.1 kHz
129
Dynamic range
EIAJ, A-weighted, fS = 96 kHz
129
dB
Dynamic range
EIAJ, A-weighted, fS = 192 kHz
129
dB
EIAJ, A-weighted, fS = 44.1 kHz
129
Signal-to-noise ratio
EIAJ, A-weighted, fS = 96 kHz
129
dB
Signal-to-noise ratio
EIAJ, A-weighted, fS = 192 kHz
129
dB
fS = 44.1 kHz
124
Channel separation
fS = 96 kHz
123
dB
Channel separation
fS = 192 kHz
121
dB
(1) Pin 13 (MDO)
(2) Filter condition:
THD+N: 20-Hz HPF, 20-kHz apogee LPF
Dynamic range: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted
Signal-to-noise ratio: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted
Channel separation: 20-Hz HPF, 20-kHz AES17 LPF
Analog performance specifications are measured using the System Two
Cascade audio measurement system by Audio Precision in the
averaging mode.
(3) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 33.
(4) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 34.
Audio Precision and System Two are trademarks of Audio Precision, Inc.
Other trademarks are the property of their respective owners.
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