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            AW87327CSR

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

            AW87327 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, AW87327 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, AW87327 can greatly prolong smart phone usage time. AW87327 noise floor is as low as to 53μV, with 97dB high  signal-to-noise-ratio  (SNR).  The  ultra-low distortion  0.008%  brings  high-quality  musical enjoyment. AW87327 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. AW87327 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.

            產品特性

            l  Speaker and Receiver two-in-one application

            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  Within Lithium Battery Voltage Range,Outputs Constant Large Volume

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

            l  Upgrade for AW87317

            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-14 Package

            Datasheet

            Application note

            產品型號 文檔格式 大小 下載
            AW87327CSR PDF 1.6M
            • Voltage(V)
              Boost Type
              R=8Ω THD=1%
              Protection
              Receiver
              Package (mm)
            • AW87327CSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              WLCSP 1.575X1.575-14B
            • AW87347CSR

              6.05
              K-Chargepump (inductor free)
              1.75W@4.2V
              Single-Level-AGC
              WLCSP 1.575X1.575-16B
            • 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 -14B 14 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