參數(shù)資料
型號(hào): DSD1702E
英文描述: ENHANCED MULTIFORMAT, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER
中文描述: 增強(qiáng)的多格式,Δ-Σ,音頻數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 5/28頁(yè)
文件大小: 417K
代理商: DSD1702E
DSD1702
SLES005A
JUNE 2001
REVISED FEBRUARY 2002
5
www.ti.com
electrical characteristics, T
A
= 25
°
C, V
DD
= 3.3 V, V
CC
= 5 V (unless otherwise noted) (continued)
In PCM mode, f
s
= 44.1 kHz, system clock = 256f
s
, 24-bit data
In DSD mode, f
s
= 2.8224 MHz (= 64
×
44.1 kHz), system clock = 256
×
44.1 kHz, 1-bit data
PARAMETERS
TEST CONDITIONS
DSD1702E
UNITS
MIN
TYP
MAX
Dynamic Performance(7)
PCM MODE
fs = 44.1 kHz
fs = 96 kHz
fs = 192 kHz
EIAJ, A-Weighted,
0.0015%
0.002%
THD+N at VOUT = 0 dB
THD+N at VOUT 0 dB
0.0020%
0.0025%
fs = 44.1 kHz
fs = 96 kHz
103
106
Dynamic range
A-Weighted,
106
dB
fs = 192 kHz
EIAJ, A-Weighted,
105
fs = 44.1 kHz
fs = 96 kHz
103
106
Signal-to-noise ratio(8)
Signal to noise ratio( )
A-Weighted,
106
dB
fs = 192 kHz
fs = 44.1 kHz
fs = 96 kHz
fs = 192 kHz
VOUT =
90 dB
105
100
103
Channel separation
Channel se aration
103
dB
102
±
0.5
Level linearity error
dB
DSD MODE
(at fs = 64
×
44.1 kHz)
THD+N
VOUT = 0 dB, EIAJ
EIAJ, A-Weighted
0.0015%
Dynamic range
106
dB
Signal
to
noise ratio
EIAJ, A-Weighted
106
dB
Channel separation
103
±
0.5
dB
Level linearity error
VOUT =
90 dB
dB
DC Accuracy
Gain error
±
1.0
±
1.0
±
30
±
6.0
±
3.0
±
60
%/FSR
Gain mismatch, channel-to-channel
%/FSR
Bipolar zero error
VOUT = 0.5 VCC at BPZ
mV
Analog Output
Output voltage
Full scale (
0dB)
62%/VCC
50%/VCC
V(PP)
VDC
k
Center voltage
Load impedance
AC load
5
Digital Filter Performance
8x Interpolation Filter
Sharp roll off Filter
Passband
±
0.02 dB
3 dB
0.454fs
0.487fs
Passband
Stopband
0.546fs
Passband ripple
±
0.02
dB
Stopband Attenuation
7. Analog performance specs are measured by audio precision system 2 under averaging mode.
8. SNR is tested at infinite zero detection OFF.
Stopband = 0.546fs
60
dB
NOTES:
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