參數(shù)資料
型號: TLV320DAC3120IRHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: SERIAL INPUT LOADING, 24-BIT DAC, PQCC32
封裝: 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù): 40/110頁
文件大?。?/td> 1230K
代理商: TLV320DAC3120IRHBT
www.ti.com
SLAS659 – NOVEMBER 2009
5.6.8.1
Analog Output Volume Control
The output volume control can be used to fine-tune the level of the mixer amplifier signal supplied to the
headphone driver or the speaker driver. This architecture supports separate and concurrent volume levels
for each of the four output drivers. This volume control can also be used as part of the output pop-noise
reduction scheme. This feature is available even if the DAC is powered down.
5.6.8.2
Headphone Analog Output Volume Control
For the headphone 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 shown in Table 5-17 and Table 5-18. This volume control
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 headphone is controlled by writing to page 1 / register 36,
bits D6–D0. Routing the signal from the output of the analog volume control to the input of the headphone
power amplifier is done by writing to page 1 / register 36, bit D7.
The analog volume-control soft-stepping time is based on the setting in page 0 / register 63, bits D1–D0.
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
35
Product Folder Link(s): TLV320DAC3120
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TLV320DAC3202CYZJR 功能描述:音頻放大器 Low Pwr Hi Fidelity I2S Input Headset IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel