參數(shù)資料
型號(hào)： XWM8729ED
廠商： Wolfson Microelectronics
英文描述： 24-bit, 192kHz Stereo DAC
中文描述： 24位，192kHz的立體聲DAC
文件頁(yè)數(shù)： 4/15頁(yè)
文件大?。?/td> 169K
代理商： XWM8729ED
WM8729
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
4
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Digital supply range
Analogue supply range
Ground
Difference DGND to AGND
Analogue supply current
Digital supply current
Analogue supply current
Digital supply current
SYMBOL
DVDD
AVDD
AGND, DGND
TEST CONDITIONS
MIN
3.0
3.0
TYP
MAX
5.5
5.5
UNIT
V
V
V
V
mA
mA
mA
mA
0
0
-0.3
+0.3
AVDD = 5V
DVDD = 5V
AVDD = 3.3V
DVDD = 3.3V
19
8
18
4
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, T
A
= +25
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
Digital Logic Levels (TTL Levels)
Input LOW level
V
IL
Input HIGH level
V
IH
Output LOW
V
OL
Output HIGH
V
OH
Analogue Reference Levels
Reference voltage
MIN
TYP
MAX
UNIT
0.8
V
V
V
V
2.0
I
OL
= 1mA
I
OH
= 1mA
AGND + 0.3V
AVDD - 0.3V
VMID
(VREFP -
VREFN)/2 -
50mV
(VREFP -
VREFN)/2
(VREFP -
VREFN)/2 +
50mV
V
Potential divider resistance
DAC Output (Load
= 10k ohms. 50pF)
0dBFs Full scale output voltage
R
VMID
12k
ohms
At DAC outputs
1.1 x
AVDD/5
106
Vrms
SNR (Note 1,2,3)
A-weighted,
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted
@ fs = 192kHz
A-weighted,
@ fs = 48kHz
AVDD, DVDD = 3.3V
A-weighted
@ fs = 96kHz
AVDD, DVDD = 3.3V
Non ‘A’ weighted @ fs
= 48kHz
1kHz, 0dBFs
1kHz, -60dBFs
100
dB
SNR (Note 1,2,3)
106
dB
SNR (Note 1,2,3)
106
dB
SNR (Note 1,2,3)
105
dB
SNR (Note 1,2,3)
103
dB
SNR (Note 1,2,3)
106
dB
THD (Note 1,2,3)
THD+N (Dynamic range, Note 2)
DAC channel separation
Analogue Output Levels
Output level
-97
106
100
dB
dB
dB
100
Load = 10k ohms,
0dBFS
Load = 10k ohms,
0dBFS,
(AVDD = 3.3V)
1.1
V
RMS
0.726
V
RMS
Gain mismatch
channel-to-channel
±1
%FSR
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XWM8734EDS/R 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:Stereo Audio CODEC
XWM8734EDS/RV 功能描述:接口—CODEC Stereo CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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