參數(shù)資料
型號(hào)： DSD1608
英文描述： 8-CHANNEL, ENHANCED MULTIFORMAT, DELTA-SIGMA, DIGITAL-TO-ANALOG CONVERTER
中文描述： 8通道，增強(qiáng)多格式，Δ-Σ，數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/41頁(yè)
文件大小： 293K
代理商： DSD1608
DSD1608
SLES040
–
JUNE 2002
www.ti.com
3
ELECTRICAL CHARACTERISTICS(continued)
at TA = 25
°
C, VDD = 3.3 V, VCC = 5 V; in PCM mode, fS = 44.1 kHz, system clock = 256 fS, 24-bit data; in DSD mode, fS = 2.8224 MHz
(= 64
×
44.1 kHz), system clock = 256
×
44.1 kHz, 1-bit data (unless otherwise noted)
PARAMETER
DIGITAL INPUT/OUTPUT
Logic family
VIH
Inputlogiclevel
VIL
IIH(1)
VIN = VDD
IIL(1)
Inputlogiccurrent
IIH(2)
VIN = VDD
IIL(2)
VIN = 0 V
VOH (3)
Outputlogiclevel
VOL (3)
IOL = +2 mA
DYNAMIC PERFORMANCE(4) (PCM MODE)
fS = 44.1 kHz
THD+N at VOUT = 0 dB
THD+N at VOUT 0 dB
fS = 192 kHz(5)
fS = 44.1 kHz
THD+N at VOUT =
–
THD+N at VOUT 3 dB
fS = 192 kHz(5)
EIAJ, A-weighted, fS = 44.1 kHz
EIAJ, A-weighted, fS = 96 kHz
Dynamic range
EIAJ, A-weighted, fS = 192 kHz(5)
EIAJ, A-weighted, fS = 44.1 kHz
Signal-to-noise ratio
EIAJ, A-weighted, fS = 96 kHz
Signal to noise ratio
EIAJ, A-weighted, fS = 192 kHz(5)
fS = 44.1 kHz
Channel separation
fS = 96 kHz
Channel se aration
fS = 192 kHz(5)
Level linearity error
VOUT =
–
90 dB
DYNAMIC PERFORMANCE(4) DSD MODE (at fS = 64
×
44.1 kHz)
THD+N at VOUT = 0 dB
Dynamic range
EIAJ, A-weighted
Signal-to-noise ratio
EIAJ, A-weighted
Channel separation
Level linearity error
VOUT =
–
90 dB
DC ACCURACY
Gain error
Gain mismatch, channel-to-channel
Bipolar zero error
V OUT = 0.5 VCC at BPZ
ANALOG OUTPUT
Output voltage
Full scale (0 dB)
Center voltage
Load mpedance
AC load
UNIT
MAX
TYP
MIN
TEST CONDITIONS
TTL-compatible
2
Vdc
Input logic level
0.8
10
–
10
100
–
10
VIN = 0 V
μ
A
Input logic current
65
IOH =
–
2 mA
2.4
Vdc
Output logic level
1
0.0012%
0.0015%
0.002%
0.0012%
0.0015%
0.002%
fS = 96 kHz
0.0018%
fS = 96 kHz
104
108
108
107
108
108
107
104
104
103
±
0.5
dB
104
dB
101
dB
dB
0.0012%
108
108
104
±
0.5
dB
dB
dB
dB
±
1
±
1
±
30
±
6
±
3
±
60
% FSR
% FSR
mV
80% of VCC
50% of VCC
Vpp
Vdc
k
4
(1)Pins 50, 51, 34, 33, 37, 38
–
45, 46
–
49: PBCK, PLRCK, DSCK, PSCK, DBCK, DSD1
–
DSD8, PDATA1
–
PDATA4.
(2)Pins 2, 3, 4, 36: MDI, MS, MC, RST.
(3)Pins 5
–
8: MDO, ZERO1, ZERO2, ZERO38.
(4)Analog performance specs are measured in the averaging mode using the System Two audio measurement system by Audio Precision .
(5)These specs are measured under the condition that the OVR1, OVR0 n mode registers are set to (0,1). (The oversampling rate of the modulator
is 64 fS.) If the OVR1, OVR0 are (0,0) (32 fS oversampling: default), the specs are the same as at fS = 96 kHz.
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