DSD1796 Datasheet, PDF (4/53 Pages) Texas Instruments – 24BIT 192KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER

DSD1796
SLES101 – DECEMBER 2003
www.ti.com
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
DSD MODE DYNAMIC PERFORMANCE ^{(1) (2)} (44.1 kHz, 64 fS)
THD+N at FS
2 V rms
DSD1796DB
MIN
TYP
MAX
0.0007%
UNIT
Dynamic range
–60 dB, EIAJ, A-weighted
122
dB
Signal-to-noise ratio
EIAJ, A-weighted
122
dB
ANALOG OUTPUT
Gain error
–7
±2
7 % of FSR
Gain mismatch, channel-to-channel
–3
±0.5
3 % of FSR
Bipolar zero error
At BPZ
–2
±0.5
2 % of FSR
Output current
Full scale (0 dB)
4
mA p-p
Center current
At BPZ
–3.5
mA
DIGITAL FILTER PERFORMANCE
De-emphasis error
±0.1 dB
FILTER CHARACTERISTICS-1: SHARP ROLLOFF
Pass band
Stop band
Pass-band ripple
±0.0002 dB
–3 dB
0.546 fS
0.454 fS
0.49 fS
±0.0002 dB
Stop-band attenuation
Delay time
FILTER CHARACTERISTICS-2: SLOW ROLLOFF
Stop band = 0.546 fS
–98
dB
38/fS
s
Pass band
Stop band
Pass-band ripple
±0.001 dB
–3 dB
0.79 fS
0.21 fS
0.448 fS
±0.001 dB
Stop-band attenuation
Stop band = 0.732 fS
–80
dB
Delay time
(1) _{Filter condition:}
38/fS
s
THD+N: 20-Hz HPF, 20-kHz AES17 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.
(2) _{Dynamic performance and DC accuracy are specified at the output of the postamplifier as shown in Figure 33.}
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