• 參數(shù)資料
        型號(hào)： TLV320AIC28IRGZG4
        廠商： TEXAS INSTRUMENTS INC
        元件分類： 消費(fèi)家電
        英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC48
        封裝： 7 X 7 MM, GREEN, PLASTIC, QFN-48
        文件頁數(shù)： 26/85頁
        文件大?。?/td> 1053K
        代理商： TLV320AIC28IRGZG4
        TLV320AIC28
        SLAS418B FEBRUARY 2004 REVISED MAY 2005
        www.ti.com
        32
        s
        g
        s
        m
        s
        g
        s
        gm
        s
        Stereo +
        Cellular
        s
        g
        Stereo
        s
        gm
        Cellular
        Figure 24. Connection Diagram for Jacks
        D Headset Detection
        Interrupt polarity: Active high.
        Typical interrupt duration: 1.75 ms.
        Debounce programmability on bits D10 and D9 in control register 22H/Page 2:
        00 => 16 ms duration (with 2 ms clock resolution)
        01 => 32 ms duration (with 4 ms clock resolution)
        10 => 64 ms duration (with 8 ms clock resolution)
        11 => 128 ms duration (with 16 ms clock resolution)
        Headset detect flag is available till headset is connected.
        D Button Detection
        Interrupt polarity: Active high.
        Typical interrupt duration: Button pressed time + clock resolution. Clock resolution depends upon
        debounce programmability.
        Typical interrupt delay from button: Debounce duration + 0.5ms
        Debounce programmability:
        00 => No glitch rejection
        01 => 8 ms duration (with 1 ms clock resolution)
        10 => 16 ms duration (with 2 ms clock resolution)
        11 => 32 ms duration (with 4 ms clock resolution)
        Button detect flag is set when button is pressed. It gets clear when flag read is done after button press
        removal.
        AUDIO ROUTING
        Audio Interface for Smart-Phone Applications
        The AIC28 supports audio routing features to combine various analog inputs and route them to analog outputs
        or the ADC for smartphone applications. In smart-phone applications, the AIC28 can be used to interface the
        cell-phone module to microphones and speakers. The AIC28 allows the input from the cell-phone module to
        be routed to different speakers through a PGA which supports a range of 12 dB to –34.5 dB in steps of 0.5 dB.
        The cell-phone input can also be mixed with the microphone input for recording through the ADC. The
        microphone or DAC audio can be routed to the cell-phone output. The buzzer input from cell-phone can be
        routed to the speakers through a PGA. The buzzer input supports PGA range of 0 dB to –45 dB in steps of 3
        dB. The mixing and PGA are under full software control. The mixing feature can be used even when both ADC
        and DAC are powered down. Cell-phone PGA, microphone PGA and buzzer PGA includes soft-stepping logic.
        Soft-stepping logic works on Fsref if DAC is powered up otherwise; it works on internal oscillator clocks.
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        相關(guān)代理商/技術(shù)參數(shù)
        參數(shù)描述
        TLV320AIC28IRGZR 功能描述:接口—CODEC Lo-Pwr Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
        TLV320AIC28IRGZRG4 功能描述:接口—CODEC Lo-Pwr Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
        TLV320AIC28RGZ 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
        TLV320AIC28RGZR 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
        TLV320AIC29 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO AUDIO CODEC WITH INTEGRATED HEADPHONE AND SPEAKER AMPLIFIERS
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