參數(shù)資料
型號(hào)： XWM8731EDS
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： Portable Internet Audion CODEC with Headphone Driver and Programmable Sample Rates
中文描述： 便攜式互聯(lián)網(wǎng)三極管編解碼器的耳機(jī)驅(qū)動(dòng)器和可編程采樣率
文件頁數(shù)： 9/56頁
文件大?。?/td> 595K
代理商： XWM8731EDS
WM8731
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 February 2001
9
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
A
= +25
o
C, Slave Mode, fs = 48kHz, XTI/MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST
CONDITIONS
Programmable Gain Boost
MICBOOST bit
set
Rsource < 50 Ohms
Mic Path gain (MICBOOST gain
is additional to this nominal
gain)
Mute attenuation
0dB, 1kHz input
Input Resistance
R
INMIC
Input Capacitance
C
INMIC
Microphone Bias
Bias Voltage
V
MICBIAS
MIN
TYP
MAX
UNIT
1kHz input
34
dB
MICBOOST = 0
Rsource < 50 Ohms
14
dB
80
10k
10
dB
8k
12k
Ohms
pF
.75*AVDD
–
100mV
0.75*AVDD
.75*AVDD +
100mV
3
V
Bias Current Source
Output Noise Voltage
Line Output for DAC Playback Only (Load
= 10k ohms. 50pF)
0dBfs Full scale output voltage
I
MICBIAS
Vn
mA
1K to 20kHz
25
nV/
√
Hz
At LINE outputs
1.0 x
AVDD/3.3
100
Vrms
SNR (Note 1,2,3)
A-weighted,
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted,
@ fs = 48kHz, AVDD
= 2.7V
A-weighted, -60dB
full scale input
1kHz, 0dBfs
1kHz, -3dBfs
1kHz 100mVpp
20Hz to 20kHz
100mVpp
90
dB
SNR (Note 1,2,3)
98
dB
SNR (Note 1,2,3)
93
dB
Dynamic Range (Note 3)
DR
85
90
dB
-88
-92
50
45
-80
-86
dB
dB
dB
dB
THD
Power Supply Rejection Ratio
PSSR
DAC channel separation
Analogue Line Input to Line Output (Load
= 10k ohms. 50pF, No Gain on Input ) Bypass Mode
0dB Full scale output voltage
100
dB
1.0 x
AVDD/3.3
95
-86
-92
50
45
Vrms
SNR (Note 1, 3)
THD
90
dB
dB
dB
dB
dB
1kHz, 0dB
1kHz, -3dB
1kHz 100mVpp
20Hz to 20kHz
100mVpp
1kHz, 0dB
-80
-86
Power Supply Rejection Ratio
PSSR
Mute attenuation
Stereo Headphone Output
0dB Full scale output voltage
80
dB
1.0 x
AVDD/3.3
30
Vrms
Max Output Power RL = 32
ohms
Max Output Power RL = 16
ohms
P
O
mW
P
O
40
mW
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XWM8733ED 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:102dB Stereo DAC
XWM8734EDS 功能描述:接口—CODEC Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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
XWM8734EDS/R 制造商:WOLFSON 制造商全稱: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 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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
XWM8734EDS/V 功能描述:接口—CODEC Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型: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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