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参数资料
| 型号： | LM4681SQ |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control |
| 中文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48 |
| 封装： | LLP-48 |
| 文件页数： | 7/19页 |
| 文件大小： | 983K |
| 代理商： | LM4681SQ |
General Features (Continued)
I
2C Timing Diagrams
SPI Timing Diagram
SPI Operational Requirements
1. The maximum clock rate is 5MHz for the CLK pin.
2. CLK must remain logic-high for at least 100ns (t
CH ) after
the rising edge of CLK, and CLK must remain logic-low for at
least 100ns (t
CL ) after the falling edge of CLK.
3. Data bits are written to the DATA pin with the most
significant bit (MSB) first.
4. The serial data bits are sampled at the rising edge of CLK.
Any transition on DATA must occur at least 50ns (t
DS) before
the rising edge of CLK. Also, any transition on DATA must
occur at least 50ns (t
DH) after the rising edge of CLK and
stabilize before the next rising edge of CLK.
5. ENABLE should be logic-low only during serial data trans-
mission.
6. ENABLE must be logic-low at least 50ns (t
ES ) before the
first rising edge of CLK, and ENABLE has to remain logic-
low at least 50ns (t
EH ) after the eighth rising edge of CLK.
7. If ENABLE remains logic-high for more than 50ns before
all 8 bits are transmitted then the data latch will be aborted.
20118919
FIGURE 1. I
2C Bus Format
20118920
FIGURE 2. I
2C Timing Diagram
20118921
FIGURE 3.
LM4681
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4681SQ/NOPB | 功能描述:IC AMP AUDIO PWR 10W STER 48LLP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4681SQX/NOPB | 功能描述:IC AMP AUDIO PWR 10W STER 48LLP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4682 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and DC Volume Control |
| LM4682B E WAF | 制造商:Texas Instruments 功能描述: |
| LM4682SQ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and DC Volume Control |
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