參數(shù)資料
型號(hào)： LM4935WLX
廠商： National Semiconductor Corporation
元件分類： ADC
英文描述： Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
中文描述： 音頻子系統(tǒng)的雙模單聲道立體聲耳機(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 43/112頁(yè)
文件大?。?/td> 5017K
代理商： LM4935WLX
12.0 Status & Control Registers
(Continued)
12.22 DAC CONFIGURATION REGISTER
This register is used to control the DAC levels to the mixer.
TABLE 23. DAC (0x11h)
Bits
4:0
Field
Description
DAC_LEVEL
Programs the gain/attenuation applied to the DAC input to the mixer. (Note 23)
DAC_LEVEL
00000
2
00001
2
00010
2
00011
2
00100 to 11100
2
11101
2
11110
2
11111
2
If set the gain of the DAC inputs is controlled by the AUX_LEFT and AUX_RIGHT registers, allowing
a stereo balance to be applied.
If set the gain of the DAC inputs to the mixer is increased by 12 dB (see above).
If set the stereo DAC input is muted on the next zero crossing.
Level (With Boost)
34.5 dB
33 dB
31.5 dB
30 dB
28.5 dB to +7.5 dB
+9 dB
+10.5 dB
+12 dB
Level (Without Boost)
46.5 dB
45 dB
43.5 dB
42 dB
40.5 dB to 4.5 dB
3 dB
1.5 dB
0 dB
5
USE_AUX_
LEVELS
BOOST
DAC_MUTE
6
7
Note 23:
The output from the DAC is 1V RMS for a full scale digital input. This can be boosted by 12 dB if enough headroom is available. Clipping may occur if the
analog power supply is insufficient to cater for the required gain.
L
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4936 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C)
LM49360 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
LM49360RL 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
LM49360RLX 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
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