参数资料
型号: TLV320AIC3111IRHBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: AUDIO AMPLIFIER, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 105/156页
文件大小: 1701K
代理商: TLV320AIC3111IRHBT
SLAS644B – JULY 2009 – REVISED OCTOBER 2009
www.ti.com
5.6.3
Volume-Control Pin
The volume-control pin is not enabled by default but it can be enabled by writing 1 to page 0 /
register 116, bit D7. The default DAC volume control uses software control of the volume, which occurs if
page 0 / register 116, bit D7 = 0. Soft-stepping the volume level is set up by writing to page 0 / register 63,
bits D1–D0.
When the volume-pin function is used, a 7-bit Vol ADC reads the voltage on the VOL/MICDET pin and
updates the digital volume control. (It overwrites the current value of the volume control.) The new volume
setting which has been applied due to a change of voltage on the volume control pin can be read on
page 0 / register 117, bits D6–D0. The 7-bit Vol ADC clock source can be selected on page 0 /
register 116, bit D6. The update rate can be programmed on page 0 / register 116, bits D2–D0 for this
7-bit SAR ADC.
The VOL/MICDET pin gainmapping is shown in Table 5-31.
Table 5-31. VOL/MICDET Pin Gain Mapping
VOL/MICDET PIN SAR OUTPUT
DIGITAL GAIN APPLIED
0
18 dB
1
17.5 dB
2
17 dB
:
35
0.5 dB
36
0.0 dB
37
–0.5 dB
:
89
–26.5 dB
90
–27 dB
91
–28 dB
:
125
–62 dB
126
–63 dB
127
Mute
52
APPLICATION INFORMATION
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC3111
相关PDF资料
PDF描述
TLV320AIC3111IRHBR AUDIO AMPLIFIER, PQCC32
TLV320AIC3120IRHBR AUDIO AMPLIFIER, PQCC32
TLV320AIC3120IRHBT AUDIO AMPLIFIER, PQCC32
TLV320AIC31IRHBRG4 SPECIALTY CONSUMER CIRCUIT, PQCC32
TLV320AIC31IRHBR SPECIALTY CONSUMER CIRCUIT, PQCC32
相关代理商/技术参数
参数描述
TLV320AIC3120 制造商:TI 制造商全称:Texas Instruments 功能描述:Low-Power Mono Audio Codec With Embedded miniDSP and Mono Class-D Speaker Amplifier
TLV320AIC3120EVM-U 功能描述:音频 IC 开发工具 TLV320AIC3120EVM-U Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
TLV320AIC3120IRHBR 功能描述:接口—CODEC Low-Pwr Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
TLV320AIC3120IRHBT 功能描述:接口—CODEC Low-Pwr Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
TLV320AIC31EVM 功能描述:音频 IC 开发工具 TLV320AIC31 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V