參數(shù)資料
型號(hào)： DSD1794DBR
廠商： Texas Instruments, Inc.
英文描述： 24-BIT, 192-kHz SAMPLING, ADVANCED SEGMENT, AUDIO STRRO DIGITAL-TO-ALALOG CONVERTER
中文描述： 24位192 kHz的采樣，高級(jí)分段，音頻STRRO數(shù)字至ALALOG轉(zhuǎn)爐
文件頁(yè)數(shù)： 3/47頁(yè)
文件大?。?/td> 417K
代理商： DSD1794DBR
SLES077A MARCH 2003 REVISED NOVEMBER 2003
www.ti.com
3
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
DSD1794DB
TYP
UNIT
MIN
MAX
DIGITAL INPUT/OUTPUT
Logic family
VIH
VIL
IIH
IIL
VOH
VOL
DYNAMIC PERFORMANCE (PCM MODE, 2-V RMS OUTPUT) (1)(2)
TTL compatible
2
VDC
Input logic level
0.8
10
–10
VIN = VDD
VIN = 0 V
IOH = 2 mA
IOL = 2 mA
μ
A
Input logic current
2.4
VDC
Output logic level
0.4
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
fS = 44.1 kHz
fS = 96 kHz
fS = 192 kHz
VOUT = –120 dB
0.0004%
0.0008%
0.0015%
127
127
127
127
127
127
123
122
120
±
1
0.0008%
THD+N at VOUT = 0 dB
123
Dynamic range
dB
123
Signal-to-noise ratio
dB
120
Channel separation
dB
Level linearity error
DYNAMIC PERFORMANCE (PCM Mode, 4.5-V RMS Output) (1)(3
)
dB
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
fS = 44.1 kHz
fS = 96 kHz
fS = 192 kHz
0.0004%
0.0008%
0.0015%
129
129
129
129
129
129
124
123
121
THD+N at VOUT = 0 dB
Dynamic range
dB
Signal-to-noise ratio
dB
Channel separation
dB
(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 33.
(3)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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