參數(shù)資料
型號(hào)： TAS5715PHP
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝： 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件頁數(shù)： 53/74頁
文件大?。?/td> 2771K
代理商： TAS5715PHP
www.ti.com
SLOS645 – AUGUST 2010
VOLUME CONFIGURATION REGISTER (0x0E)
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 ms/step
11.025/22.05/44.1
90.7 ms/step
12/24/48
83.3 ms/step
Table 13. 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 48 kHz)(1)
–
0
1
Volume slew 1024 steps (85 ms volume ramp time at 48 kHz)
–
0
1
0
Volume slew 2048 steps (171 ms volume ramp time at 48 kHz)
–
0
1
Volume slew 256 steps (21 ms volume ramp time at 48 kHz)
–
1
X
Reserved
(1)
Default values are in bold.
DC DETECT CONTROL REGISTER (0x0F)
Table 14. DC Detect Control Register (0x0F)(1)
D7
D6
D5
D4
D3
D2
D1
D0
Magnitude
MAX +
MAX –
0
–
7
52.73%
47.27%
0
1
–
15
55.86%
44.14%
0
1
0
–
23
58.98%
41.02%
0
1
–
31
62.11%
37.89%
0
1
0
–
39
65.23%
34.77%
0
1
0
1
–
47
68.36%
31.64%
0
1
0
–
55
71.48%
28.52%
0
1
–
63
74.61%
25.39%
1
0
–
71
77.73%
22.27%
1
0
1
–
79
80.86%
19.14%
1
0
1
0
–
87
83.98%
16.02%
1
0
1
–
95
87.11%
12.89%
1
0
–
103
90.23%
9.77%
1
0
1
–
111
93.36%
6.64%
1
0
–
119
96.48%
3.52%
1
–
127
99.61%
0.39%
Time, ms
–
0
157.1
–
0
1
314.2
–
0
1
0
471.3
–
0
1
628.4
–
0
1
0
785.5
–
0
1
0
1
942.6
–
0
1
0
1099.7
(1)
See register 0x46, bit D10 for enable/disable control of this feature.
Copyright 2010, Texas Instruments Incorporated
57
Product Folder Link(s): TAS5715
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