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參數(shù)資料
| 型號(hào)： | LM4970 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | Audio Synchronized Color LED Driver |
| 中文描述： | 音頻同步彩色LED驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 726K |
| 代理商： | LM4970 |
Application Information
(Continued)
TABLE 3. Mode Select Register
Data Bit
Bit Name
Default Value
Condition
0
1
0
1
Function
MSO
I
2
C_SD
1
Enables device power up mode
Enables device shutdown mode
Enables device normal operation
Enables device RESET, excluding the I
2
C
register settings
Disables the audio synchronization randomizer
Enables the audio synchronization randomizer
MS1
I
2
C_RST
0
MS2
RAND
1
0
1
0
1
0
1
MS3
RSVD
0
RESERVED
MS4
RSVD
0
RESERVED
TABLE 4. Frequency Select Register
Data Bit
Bit Name
Default
Value
Condition
Function
FSO
PWM_FO
0
0
Programs the oscillation frequency of the PWM. PWM oscillation
frequency is set as follows:
PWM_F
<
1:0
>
00
01
10
11
1
PWM Frequency
15kHz
60Hz
7Hz
4Hz
FS1
PWM_F1
0
0
1
FS2
RSVD
0
0
1
0
1
0
RESERVED
FS3
HPF_FO
0
Programs the internal high pass filter cutoff frequency. High pass
filter cutoff frequency is set as follows:
HPF_F
<
1:0
>
00
01
10
11
FS4
HPF_F1
1
High Pass Filter Cutoff Frequency
3.5kHz
6.3kHz
6.3kHz
8.9kHz
1
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4970SD | 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LM4970SD/NOPB | 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LM4970SD/NOPB | 制造商:Texas Instruments 功能描述:IC, LED DRIVER, BOOST, LLP-10 |
| LM4970SDBD | 功能描述:音頻 IC 開發(fā)工具 LM4970 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| LM4970SDX | 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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