• 參數(shù)資料
    型號(hào): TAS5707APHPR
    廠商: TEXAS INSTRUMENTS INC
    元件分類: 音頻/視頻放大
    英文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
    封裝: 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
    文件頁(yè)數(shù): 38/57頁(yè)
    文件大小: 1000K
    代理商: TAS5707APHPR
    www.ti.com
    SLOS556B – NOVEMBER 2008 – REVISED NOVEMBER 2009
    MODULATION LIMIT REGISTER (0x10)
    The modulation limit is the maximum duty cycle of the PWM output waveform.
    Table 15. Modulation Limit Register (0x10)
    D7
    D6
    D5
    D4
    D3
    D2
    D1
    D0
    MODULATION LIMIT
    0
    99.2%
    0
    1
    98.4%
    0
    1
    0
    97.7%
    0
    1
    96.9%
    1
    0
    96.1%
    1
    0
    1
    95.3%
    1
    0
    94.5%
    1
    93.8%
    0
    RESERVED
    INTERCHANNEL DELAY REGISTERS (0x11, 0x12, 0x13, and 0x14)
    Internal PWM channels 1, 2, 1, and 2 are mapped into registers 0x11, 0x12, 0x13, and 0x14.
    Table 16. Channel Interchannel Delay Register Format
    BITS DEFINITION
    D7
    D6
    D5
    D4
    D3
    D2
    D1
    D0
    FUNCTION
    0
    Minimum absolute delay, 0 DCLK cycles
    0
    1
    Maximum positive delay, 31 × 4 DCLK cycles
    1
    0
    Maximum negative delay, –32 × 4 DCLK cycles
    0
    RESERVED
    SUBADDRESS
    D7
    D6
    D5
    D4
    D3
    D2
    D1
    D0
    Delay = (value) × 4 DCLKs
    0x11
    1
    0
    1
    0
    1
    Default value for channel 1 (1)
    0x12
    0
    1
    0
    1
    0
    1
    Default value for channel 2 (1)
    0x13
    1
    0
    1
    0
    1
    Default value for channel 1 (1)
    0x14
    0
    1
    0
    1
    0
    1
    Default value for channel 2 (1)
    (1)
    Default values are in bold.
    ICD settings have high impact on audio performance (e.g., dynamic range, THD, crosstalk etc.) Therefore,
    appropriate ICD settings must be used. By default, the device has ICD settings for AD mode. If used in BD
    mode, then update these registers before coming out of all-channel shutdown.
    REGISTER
    AD MODE
    BD MODE
    0x11
    0xAC
    0xB8
    0x12
    0x54
    0x60
    0x13
    0xAC
    0xA0
    0x14
    0x54
    0x48
    Copyright 2008–2009, Texas Instruments Incorporated
    43
    Product Folder Link(s): TAS5707 TAS5707A
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