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            AW8898QNR

            I2S/TDM Input, High Efficiency, 9.5V Boost, 3rd Generation Digital Smart K Audio Amplifier

            The AW8898 is an I2S/TDM input, high efficiency digital Smart K audio amplifier with an integrated 9.5V smart boost converter, sound quality enhancement algorithms and speaker protection. Due to its 11.5μV noise floor and ultra-low distortion, clean listening is guaranteed. It can delivers 5.2W (RMS, THD+N=1%) output power into an 8Ω speaker at a battery voltage of 4.2V. The AW8898 integrates a high-efficiency smart boost converter as the Class-D amplifier supply rail. The output voltage of boost converter can be adjusted  smartly  according  to  the  input amplitude,  which  extremely  improves  the efficiency without clipping distortion. The AW8898 features AWINIC proprietary AGC algorithm that prevents clipping noise and improves sound quality. The AW8898 supports speaker and receiver 2-in-1 applications. In the receiver application, it connects VDD directly to the Class-D amplifier power supply. The AW8898 features high RF suppression and eliminates TDD noise completely benefited from the digital audio input interface. General settings are communicated via an I2C-bus interface, and the device address is configurable. It offers Short Circuit Protection, Over-Temperature  Protection,  Under-Voltage Protection and Over-Voltage Protection.

            產品特性

            l  Supports Speaker Protection Algorithm

            l  Smart Boost with total efficiency up to 85%

            l  Supports Speaker, Receiver 2-in-1 application

            l  High RF noise suppression, eliminate the TDD noise completely

            l  Low noise: 11.5μV

            l  THD+N: 0.02%

            l  Supports 6Ω Speaker

            l  Extensive Pop-Click Suppression

            l  Volume control(from -96dB to 0dB)

            l  I2S/TDM interface

            n  I2S, Left-Justified and Right-Justified

            n  Supports four slots TDM

            n  Input Sample Rates from 8kHz to 96kHz

            n  Data Width: 16, 20, 24, 32 Bits

            l  I2C-bus control interface(400kHz)

            l  Power Supplies

            n  VDD3.2V-5.5V

            n  DVDD: 1.65V~1.95V

            n  VDDIO: 1.65V~3.6V

            l  Short-Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection

            l  QFN 3.5X3.5-24L package

            Datasheet

            Application note

            產品型號 文檔格式 大小 下載
            AW8898QNR PDF 3.0M
            • Voltage(V)
              Boost Type
              R=8Ω THD=1%
              Protection
              Receiver
              Package (mm)
            • AW8898QNR

              9.5
              Boost
              5.2W@4.2V
              SKTune
              WBQFN 3.5X3.5-24L
            • AW8862CSR

              10.25
              Boost
              5.6W@4.2V
              SKTune
              WLCSP 2.47X2.47-36B
            封裝形式 引腳數 長(mm) 寬(mm) 厚(mm) 引腳間距(mm) 散熱盤 文檔下載
            QFN 3.5×3.5×0.75 -24L 24 3.5 3.5 0.75 0.4 Y
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            国产疯狂女同互磨高潮在线看
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