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参数资料
| 型号： | LM4701MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 30 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | WAFER |
| 文件页数： | 6/17页 |
| 文件大小： | 579K |
| 代理商： | LM4701MWC |
Application Information (Continued)
point is 0.17 dB down from passband response which is bet-
ter than the required ±0.25 dB specified. This fact results in
a low and high frequency pole of 4 Hz and 100 kHz respec-
tively. As stated in the External Components section, R
I in
conjunction with C
I create a high-pass filter.
C
I ≥ 1/(2π * 1k * 4 Hz) = 39.8 F;
use 39 F.
The high frequency pole is determined by the product of the
desired high frequency pole, f
H, and the gain, AV. With a AV
= 21 and f
H = 100 kHz, the resulting GBWP of 2.1 MHz is
less than the minimum GBWP of 5 MHz for the LM4701. This
will ensure that the high frequency response of the amplifier
will be no worse than 0.17 dB down at 20 kHz which is well
within the bandwidth requirements of the design.
LM4701
www.national.com
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相关代理商/技术参数 |
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|---|---|
| LM4701T | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4701 Overture⑩ Audio Power Amplifier Series 30W Audio Power Amplifier with Mute and Standby Modes |
| LM4701T/NOPB | 功能描述:IC AMP AUDIO PWR 30W AB TO220-9 RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Overture™ 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) |
| LM4701T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM4702 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4702 Overture Audio Power Amplifier Series Stereo High Fidelity 200 Volt* Driver with Mute |
| LM4702A | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM4702 Overture Audio Power Amplifier Series Stereo High Fidelity 200 Volt* Driver with Mute |
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