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WM9715LGEFL/RV 参数 Datasheet PDF下载

WM9715LGEFL/RV图片预览
型号: WM9715LGEFL/RV
PDF下载: 下载PDF文件 查看货源
内容描述: AC'97音频和触摸屏CODEC [AC’97 Audio and Touchpanel CODEC]
分类和应用:
文件页数/大小: 77 页 / 900 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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WM9715L  
Production Data  
REFERENCE VOLTAGES  
Test Conditions  
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, 18-bit audio data unless otherwise stated.  
PARAMETER  
Audio ADCs, DACs, Mixers  
Reference Input/Output  
Buffered Reference Output  
Microphone Bias  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
CAP2 pin  
VREF pin  
1.6  
1.6  
1.65  
1.65  
1.7  
1.7  
V
V
Bias Voltage  
VMICBIAS  
IMICBIAS  
Vn  
2.88  
2.97  
15  
3.06  
3
V
Bias Current Source  
Output Noise Voltage  
mA  
1K to 20kHz  
nV/Hz  
DIGITAL INTERFACE CHARACTERISTICS  
Test Conditions  
DBVDD = 3.3V, DCVDD = 3.3V, TA = +25oC, unless otherwise stated.  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
Digital Logic Levels (all digital input or output pins) – CMOS Levels  
Input HIGH level  
VIH  
VIL  
DBVDD×0.7  
DBVDD×0.9  
V
V
Input LOW level  
DBVDD×0.3  
DBVDD×0.1  
Output HIGH level  
VOH  
VOL  
source current = 2mA  
sink current = 2mA  
Output LOW level  
Clock Frequency  
Master clock (XTLIN pin)  
AC’97 bit clock (BIT_CLK pin)  
AC’97 sync pulse (SYNC pin)  
24.576  
12.288  
48  
MHz  
MHz  
kHz  
Note:  
1. All audio and non-audio sample rates and other timing scales proportionately with the master clock.  
2. For signal timing on the AC-Link, please refer to the AC’97 specification (Revision 2.2)  
PD Rev 4.0 December 2007  
10  
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