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參數資料
型號： TLV320AIC3120IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數： 106/150頁
文件大小： 1507K
代理商： TLV320AIC3120IRHBR
www.ti.com
SLAS653 – FEBRUARY 2010
Table 5-31. Analog Volume Control for Headphone and Speaker Outputs (for D7 = 1)
Analog
Register Value
Attenuation
Register Value
Attenuation
Register Value
Attenuation
Register Value
Attenuation
(dB)
0
0.0
30
–15.0
60
–30.1
90
–45.2
1
–0.5
31
–15.5
61
–30.6
91
–45.8
2
–1.0
32
–16.0
62
–31.1
92
–46.2
3
–1.5
33
–16.5
63
–31.6
93
–46.7
4
–2.0
34
–17.0
64
–32.1
94
–47.4
5
–2.5
35
–17.5
65
–32.6
95
–47.9
6
–3.0
36
–18.1
66
–33.1
96
–48.2
7
–3.5
37
–18.6
67
–33.6
97
–48.7
8
–4.0
38
–19.1
68
–34.1
98
–49.3
9
–4.5
39
–19.6
69
–34.6
99
–50.0
10
–5.0
40
–20.1
70
–35.2
100
–50.3
11
–5.5
41
–20.6
71
–35.7
101
–51.0
12
–6.0
42
–21.1
72
–36.2
102
–51.4
13
–6.5
43
–21.6
73
–36.7
103
–51.8
14
–7.0
44
–22.1
74
–37.2
104
–52.2
15
–7.5
45
–22.6
75
–37.7
105
–52.7
16
–8.0
46
–23.1
76
–38.2
106
–53.7
17
–8.5
47
–23.6
77
–38.7
107
–54.2
18
–9.0
48
–24.1
78
–39.2
108
–55.3
19
–9.5
49
–24.6
79
–39.7
109
–56.7
20
–10.0
50
–25.1
80
–40.2
110
–58.3
21
–10.5
51
–25.6
81
–40.7
111
–60.2
22
–11.0
52
–26.1
82
–41.2
112
–62.7
23
–11.5
53
–26.6
83
–41.7
113
–64.3
24
–12.0
54
–27.1
84
–42.1
114
–66.2
25
–12.5
55
–27.6
85
–42.7
115
–68.7
26
–13.0
56
–28.1
86
–43.2
116
–72.2
27
–13.5
57
–28.6
87
–43.8
117–127
–78.3
28
–14.0
58
–29.1
88
–44.3
29
–14.5
59
–29.6
89
–44.8
5.6.8.3
Class-D Speaker Analog Output Volume Control
For the speaker outputs, the analog volume control has a range from 0 dB to –78 dB in 0.5-dB steps for
most of the useful range plus mute, as seen in Table 5-30 and Table 5-31. The implementation includes
soft-stepping logic.
Routing the DAC output signal to the analog volume control is done by writing to page 1 / register 35, bits
D7–D6. Changing the analog volume for the speaker is controlled by writing to page 1 / register 38, bits
D6–D0.
Routing the signal from the output of the analog volume control to the input of the speaker amplifier is
done by writing to page 1 / register 38, bit D7.
The analog volume-control soft-stepping time is based on the setting in page 0 / register 63, bits D1–D0.
5.6.9
Analog Outputs
Various analog routings are supported for playback. All the options can be conveniently viewed on the
functional block diagram, Figure 1-1.
Copyright 2010, Texas Instruments Incorporated
APPLICATION INFORMATION
59
Product Folder Link(s): TLV320AIC3120
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相關代理商/技術參數
參數描述
TLV320AIC3120IRHBT 功能描述:接口—CODEC Low-Pwr Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC31EVM 功能描述:音頻 IC 開發工具 TLV320AIC31 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TLV320AIC31EVM-PDK 功能描述:音頻 IC 開發工具 TLV320AIC31-PDK Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TLV320AIC31IRHBR 功能描述:接口—CODEC Lo-Pwr Ster Codec for Port Aud/Teleph RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC31IRHBRG4 功能描述:接口—CODEC Lo-Pwr Ster Codec for Port Aud/Teleph RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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