參數(shù)資料
型號(hào): TAS5708PHPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 20.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝: 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù): 38/56頁(yè)
文件大?。?/td> 1104K
代理商: TAS5708PHPR
MASTER FINE VOLUME REGISTER (0x0A)
VOLUME CONFIGURATION REGISTER (0x0E)
www.ti.com ........................................................................................................................................................................................... SLOS570 – DECEMBER 2008
This register can be used to provide precision tuning of master volume.
Table 11. Master Fine Volume Register (0x0A)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
0 dB (1)
0
1
0.125 dB
1
0
0.25 dB
1
0.375 dB
1
Write enable bit
0
Ignore Write to register 0X0A
(1)
Default values are in bold.
Bits
Volume slew rate (Used to control volume change and MUTE ramp rates). These bits control the
D2–D0:
number of steps in a volume ramp.Volume steps occur at a rate that depends on the sample rate of
the I2S data as follows
Sample Rate (KHz)
Approximate Ramp Rate
8/16/32
125 us/step
11.025/22.05/44.1
90.7 us/step
12/24/48
83.3 us/step
Table 12. Volume Control Register (0x0E)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
0
1
0
Reserved (1)
0
Volume slew 512 steps (43 ms volume ramp time at 48kHz)
0
1
Volume slew 1024 steps (85 ms volume ramp time at 48kHz) (1)
0
1
0
Volume slew 2048 steps (171 ms volume ramp time at 48kHz)
0
1
Volume slew 256 steps (21ms volume ramp time at 48kHz)
1
X
Reserved
(1)
Default values are in bold.
Copyright 2008, Texas Instruments Incorporated
43
Product Folder Link(s): TAS5708
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