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MAX985

Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators

GeneralDescription TheMAX985/MAX986/MAX989/MAX990/MAX993/MAX994single/dual/quadmicropowercomparatorsfeaturelow-voltageoperationandrail-to-railinputsandoutputs.Theiroperatingvoltagesrangefrom2.5Vto5.5V,makingthemidealforboth3Vand5Vsystems.Thesecomparatorsalsoope

MAX985

Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators

MAX985

Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators

MAX9851

Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs

GeneralDescription TheMAX9851/MAX9853aresingle-chip,stereoaudioCODECsdesignedtoprovideacompleteaudiosolutionforaGSM/GPRS/EDGEcellphone.TheMAX9851/MAX9853providestereoDirectDriveTMheadphoneamplifiers,amonoreceiverspeakeramplifier,stereoClassDspeakeramplifiers(M

MAX9851

立體聲音頻編解碼器，具有麥克風(fēng)放大器、DirectDrive耳機(jī)放大器、揚(yáng)聲器放大器或線出; \n? 工作在+1.7V至+3.3V (數(shù)字)和+2.6V至+3.3V (模擬) \n? 立體聲D類揚(yáng)聲器放大器工作在+2.6V至+5.5V (電池直接供電) \n? 靜態(tài)功耗(回放)低至26mW \n? 電源抑制比高達(dá)98dB \n? 采樣速率為8kHz至48kHz (重放和錄音) \n? 立體聲18位ADC和DAC \n? 低噪聲、立體聲麥克風(fēng)輸入和立體聲線輸入 \n? 雙信號(hào)源數(shù)字混音(DAC) \n? 可選擇音頻濾波器用于錄音/回放模式 \n? 數(shù)字濾波器、軟靜音和音量控制 \n? 低噪聲、高PSRR麥克風(fēng)偏置發(fā)生器 \n? 立體聲DirectDrive耳機(jī)放大器(2 x 50mW) \n? 單聲道DirectDrive耳機(jī)接收放大器(1 x 105mW) \n? 提供有源輻射限制的D類、超低EMI、無需濾波、立體聲揚(yáng)聲器放大器(2 x 1.25mW，8Ω) (MAX9851) \n? 立體聲差分線輸出放大器(MAX9853) \n? 無咔嗒聲操作 \n? 靈活的關(guān)斷模式節(jié)省功率 \n? 完整的耳機(jī)檢測(cè) \n? 超低功耗耳機(jī)檢測(cè)喚醒電路;

MAX9851/MAX9853是一款單芯片、立體聲編解碼器，為GSM/GPRS/EDGE蜂窩電話提供完整的音頻解決方案。MAX9851/MAX9853提供立體聲DirectDrive?耳機(jī)放大器、單聲道接收機(jī)揚(yáng)聲器放大器、D類立體聲放大器(僅MAX9851)、立體聲差分線出(僅MAX9853)、麥克風(fēng)輸入放大器以及靈活的輸入選擇和增益控制。器件包括兩路數(shù)字音頻接口，一路專用于接收語音數(shù)據(jù)，另一路接收I2S數(shù)據(jù)。必要時(shí)，語音接口可以當(dāng)作第二個(gè)I2S輸入—允許多路不同采樣速率的音頻源(鈴聲或其它音頻)混合。器件可以從數(shù)字音頻中分離出一個(gè)蜂鳴器/振動(dòng)信號(hào)。\n 立體聲數(shù)/模轉(zhuǎn)換器(DAC)通路包括濾波器、混音器、可編程增益放大器(PGA)、軟靜音以及可選的音頻數(shù)字濾波器。MAX9851/MAX9853可以接收兩路不同采樣率的數(shù)字音頻輸入。所有模擬輸入前端都具備PGA，允許動(dòng)態(tài)調(diào)整寬范圍輸入源。\n 立體聲模/數(shù)轉(zhuǎn)換器(ADC)用于轉(zhuǎn)換內(nèi)部、外部麥克風(fēng)或立體聲線路輸入信號(hào)。麥克風(fēng)放大器具備0至40dB的可編程增益，以處理放大后的麥克風(fēng)或駐極體模塊輸出。為了采用數(shù)字濾波器消除直流失調(diào)，該ADC還帶有音頻數(shù)字濾波器。\n 數(shù)字音頻接口支持多種串行音頻格式，第二個(gè)串行音頻接口采用獨(dú)立的電源供電，使器件能夠工作在多電源系統(tǒng)。通過I2C 2線接口控制音量、信號(hào)混合以及工作模式。\n 所有電路均優(yōu)化于高PSRR，MAX9851/MAX9853采用高效散熱、節(jié)省空間的48引腳、薄型QFN封裝，帶裸焊盤(7mm x 7mm x 0.8mm)。

MAX9851ETM+

Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs

GeneralDescription TheMAX9851/MAX9853aresingle-chip,stereoaudioCODECsdesignedtoprovideacompleteaudiosolutionforaGSM/GPRS/EDGEcellphone.TheMAX9851/MAX9853providestereoDirectDriveTMheadphoneamplifiers,amonoreceiverspeakeramplifier,stereoClassDspeakeramplifiers(M

MAX9853

Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs

GeneralDescription TheMAX9851/MAX9853aresingle-chip,stereoaudioCODECsdesignedtoprovideacompleteaudiosolutionforaGSM/GPRS/EDGEcellphone.TheMAX9851/MAX9853providestereoDirectDriveTMheadphoneamplifiers,amonoreceiverspeakeramplifier,stereoClassDspeakeramplifiers(M

MAX9853ETM+

Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs

GeneralDescription TheMAX9851/MAX9853aresingle-chip,stereoaudioCODECsdesignedtoprovideacompleteaudiosolutionforaGSM/GPRS/EDGEcellphone.TheMAX9851/MAX9853providestereoDirectDriveTMheadphoneamplifiers,amonoreceiverspeakeramplifier,stereoClassDspeakeramplifiers(M

MAX985EBT

Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators

GeneralDescription TheMAX985/MAX986/MAX989/MAX990/MAX993/MAX994single/dual/quadmicropowercomparatorsfeaturelow-voltageoperationandrail-to-railinputsandoutputs.Theiroperatingvoltagesrangefrom2.5Vto5.5V,makingthemidealforboth3Vand5Vsystems.Thesecomparatorsalsoope

MAX985EBT-T

Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators

GeneralDescription TheMAX985/MAX986/MAX989/MAX990/MAX993/MAX994single/dual/quadmicropowercomparatorsfeaturelow-voltageoperationandrail-to-railinputsandoutputs.Theiroperatingvoltagesrangefrom2.5Vto5.5V,makingthemidealforboth3Vand5Vsystems.Thesecomparatorsalsoope