參數(shù)資料
型號(hào)： WM9712LEFL
廠商： Wolfson Microelectronics
元件分類(lèi)： Codec
英文描述： AC97 Audio and Touchpanel CODEC
中文描述： AC97音頻編解碼器和觸摸屏
文件頁(yè)數(shù)： 2/78頁(yè)
文件大小： 689K
代理商： WM9712LEFL
WM9712L
Production Data
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PD Rev 4.0 December 2003
2
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM.................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................4
ORDERING INFORMATION ..................................................................................4
PIN DESCRIPTION ................................................................................................5
ABSOLUTE MAXIMUM RATINGS.........................................................................6
RECOMMENDED OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
AUDIO OUTPUTS..........................................................................................................7
AUDIO INPUTS..............................................................................................................8
AUXILIARY MONO DAC (AUXDAC)..............................................................................8
TOUCHPANEL AND AUXILIARY ADC ..........................................................................9
COMPARATORS...........................................................................................................9
REFERENCE VOLTAGES...........................................................................................10
DIGITAL INTERFACE CHARACTERISTICS................................................................10
HEADPHONE / SPEAKER OUTPUT THD VERSUS POWER.....................................11
POWER CONSUMPTION............................................................................................12
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION..........................................................................................................13
AUDIO PATHS OVERVIEW.........................................................................................14
AUDIO INPUTS....................................................................................................15
LINE INPUT .................................................................................................................15
MICROPHONE INPUT.................................................................................................15
PHONE INPUT.............................................................................................................17
PCBEEP INPUT...........................................................................................................18
AUDIO ADC..........................................................................................................19
RECORD SELECTOR .................................................................................................20
RECORD GAIN............................................................................................................21
AUTOMATIC LEVEL CONTROL..................................................................................22
AUDIO DACS .......................................................................................................25
STEREO DAC..............................................................................................................25
AUXILIARY DAC..........................................................................................................28
ANALOGUE AUDIO OUTPUTS...........................................................................29
HEADPHONE OUTPUTS – HPOUTL AND HPOUTR..................................................29
EAR SPEAKER OUTPUT – OUT3...............................................................................30
LOUDSPEAKER OUTPUTS – LOUT2 AND ROUT2....................................................31
PHONE OUTPUT (MONOOUT)...................................................................................32
THERMAL SENSOR....................................................................................................32
JACK INSERTION AND AUTO-SWITCHING...............................................................33
DIGITAL AUDIO (SPDIF) OUTPUT .............................................................................34
AUDIO MIXERS...........................................................................................................35
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PDF描述
WM9712LEFT AC97 Audio and Touchpanel CODEC
WM9712LEFV AC97 Audio and Touchpanel CODEC
WM9712LSEFL AC97 Audio and Touchpanel CODEC
WM9712LSEFT AC97 Audio and Touchpanel CODEC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9712LEFL/RV 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFL/V 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT/RV 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFV 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
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