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            AW87337CSR

            High Efficiency, Low Noise, Ultra-Low Distortion, Constant Large Volume, Upgrade 7th -Generation Class K Audio Amplifier with Ultra-Low Distortion Audio Analog Switch

            AW87337 is specifically designed to enhance overall sound quality. It is an upgrading 7 th -generation class K audio amplifier with high efficiency, low noise, ultra-low distortion and capability of outputting constant large volume. With integrated AWINIC proprietary NCN output AGC audio algorithm, AW87337 can eliminate noise in playback and improve sound quality and effect. Using a novel K-Chargepump technology, its integrated charge pump efficiency can reach 93%, and power amplifier’s overall efficiency can reach 80%. With high efficiency, AW87337 can greatly prolong smart phone usage time. AW87337 noise floor is as low as 53μV, with 97dB high signal-to-noise-ratio (SNR). The ultra-low distortion 0.008% brings high-quality musical enjoyment. AW87337 has a setting of 4-step selectable speaker- guard output power level from 0.6W to 1.2W, suitable for different rated power speakers. Within lithium battery voltage range, it keeps output power constant, preventing voice from degrading. AW87337 supports speaker and receiver two-in-one application. The Class AB Receiver Mode has an ultra- low output noise of 11μV and an ultra-high power supply noise suppression of -100dB@217Hz. The Direct Mode using audio analog switch can realize ultra-low THD of 0.001% and ultra-high suppression of power supply of -100dB@217Hz.

            產品特性

            l  Speaker and Receiver two-in-one application:

            n  Analog Switch Direct Mode: Vn<1uV,THD+N=0.001%

            n  Class AB Receiver Mode: 1V/V, Vn=11μV,THD+N=0.15%

            n  Class K Speaker Mode: 8V/V, Vn=53μV,THD+N=0.008%

            l  Power Amplifier’s Overall Efficiency: 80%

            l  High PSRR: -100dB@217Hz

            l  Selectable Speaker-Guard Power Level:0.6W, 0.8W, 1.0W, 1.2W

            l  Within Lithium Battery Voltage Range,Outputs Constant Large Volume

            l  Upgrade for AW87317, AW87327

            l  No-Crack-Noise (NCN) Technology

            l  Super TDD-Noise Suppression

            l  Excellent Pop-Click Suppression

            l  One-Wire Pulse Control

            l  ESD Protection: ±6kV (HBM)

            l  Small 1.575mm×1.575mm, 0.4mm Pitch CSP-16 Package

            Datasheet

            Application note

            產品型號 文檔格式 大小 下載
            AW87337CSR PDF 1.7M
            • Voltage(V)
              Boost Type
              R=8Ω THD=1%
              Protection
              Receiver
              Package (mm)
            • AW87337CSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              WLCSP 1.575X1.575-16B
            • AW87327CSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              WLCSP 1.575X1.575-14B
            • AW87317CSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              -
              WLCSP 1.6X1.68-14B
            • AW8737SCSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              -
              WLCSP 1.6X1.68-14B
            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
            WLCSP 1.575×1.575×0.575-16B 16 1.575 1.575 0.575 0.4 N
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            国产疯狂女同互磨高潮在线看