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参数资料
| 型号： | LM4851ITL/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.1 W, 3 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| 封装： | MICRO SMD-18 |
| 文件页数： | 19/22页 |
| 文件大小： | 1126K |
| 代理商： | LM4851ITL/NOPB |
Note 7: Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50
).
Note 8: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 9: The given
θJA and θJC is for an LM4851 mounted on a demonstration board witha4in2 area of 1oz printed circuit board copper ground plane.
Note 10: Please refer to the Output Noise vs Output Mode table in the Typical Performance Characteristics section for more details.
External Components Description
Components
Functional Description
1.
C
in
This is the input coupling capacitor. It blocks the DC voltage at, and couples the the input signal to, the
amplifier’s input terminals. C
i, also creates a highpass filter with the internal resistor Ri at fc = 1/(2
πR
iCi).
2.
C
s
This is the supply bypass capacitor. It provides power supply filtering.
3.
C
B
This is the BYPASS pin capacitor. It provides half-supply filtering.
Typical Performance Characteristics
THD+N vs Frequency (LM4851LQ)
200408B4
200408B5
THD+N vs Frequency
20040863
20040864
LM4851
www.national.com
6
相关PDF资料 |
PDF描述 |
|---|---|
| LM4851LQ/NOPB | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| LM4852LQ/NOPB | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| LM4852ITL/NOPB | 1.1 W, 3 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| LM4854MT/NOPB | 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| LM4854MTX/NOPB | 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4851ITLX/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W AB 18USMD 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) |
| LM4851LQ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Integrated Audio Amplifier System |
| LM4851LQ/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W MONO 24LLP 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) |
| LM4852 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Integrated Audio Amplifier System |
| LM48520 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Boosted Stereo Class D Audio Power Amplifier with Output Speaker Protection and Spread Spectrum |
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