參數(shù)資料
型號(hào): DSD1792DB
元件分類: DAC
英文描述: 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
中文描述: 24位192千赫采樣高級(jí)分段音頻立體聲數(shù)模轉(zhuǎn)換器
文件頁(yè)數(shù): 4/56頁(yè)
文件大?。?/td> 497K
代理商: DSD1792DB
SLES067A MARCH 2003 REVISED AUGUST 2003
www.ti.com
4
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
TYP
UNIT
MIN
MAX
DYNAMIC PERFORMANCE (MONO MODE) (1)(2)
fS = 44.1 kHz
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
0.0004%
0.0008%
0.0015%
THD+N at VOUT = 0 dB
132
132
132
132
132
132
Dynamic range
dB
Signal-to-noise ratio
dB
DSD MODE DYNAMIC PERFORMANCE (1) (3) (44.1 kHz, 64 FS)
THD+N at FS
Dynamic range
Signal-to-noise ratio
ANALOG OUTPUT
Gain error
Gain mismatch, channel-to-channel
Bipolar zero error
Output current
Center current
DIGITAL FILTER PERFORMANCE
De-emphasis error
FILTER CHARACTERISTICS-1: SHARP ROLLOFF
4.5 V rms
–60 dB, EIAJ, A-weighted
EIAJ, A-weighted
0.0005%
128
128
dB
dB
–6
–3
–2
±
2
6
3
2
% of FSR
% of FSR
% of FSR
mA p-p
mA
±
0.5
±
0.5
7.8
–6.2
At BPZ
Full scale (0 dB)
At BPZ
±
0.004
dB
Pass band
±
0.00001 dB
–3 dB
0.454 fS
0.49 fS
Stop band
Pass-band ripple
Stop-band attenuation
Delay time
FILTER CHARACTERISTICS-2: SLOW ROLLOFF
0.546 fS
±
0.00001
dB
dB
s
Stop band = 0.546 fS
–130
55/fS
Pass band
±
0.04 dB
–3 dB
0.254 fS
0.46 fS
Stop band
Pass-band ripple
Stop-band attenuation
Delay time
(1)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.
(2)Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 34.
(3)Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 35.
0.732 fS
±
0.001
dB
dB
s
Stop band = 0.732 fS
–100
18/fS
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