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参数资料
| 型号： | LM4864MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.55 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC13 |
| 封装： | WAFER |
| 文件页数： | 13/18页 |
| 文件大小： | 589K |
| 代理商： | LM4864MWC |
Electrical Characteristics V
DD =3V (Note 1) (Note 2)
(Continued)
The following specifications apply for V
DD = 3V, for all available packages, unless otherwise specified. Limits apply for TA =
25C
Symbol
Parameter
Conditions
LM4864
Units
(Limits)
Typical
Limit
(Notes 7,
V
OS
Output Offset Voltage
V
IN =0V
5
mV
P
O
Output Power
THD = 1% (max);f=1 kHz; R
L =8
200
mW
THD = 1% (max);f=1 kHz; R
L =16
175
mW
THD+N
Total Harmonic Distortion+Noise
P
O = 100 mWrms; AVD =2;RL =8
;
20 Hz
≤ f ≤ 20 kHz, BW < 80 kHz
1.5
%
PSRR
Power Supply Rejection Ratio
V
DD = 2.9V–3.1V
50
dB
Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit
is given, however, the typical value is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum
allowable power dissipation is PDMAX =(TJMAX TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4864, TJMAX = 150C.
The typical junction-to-ambient thermal resistance, when board mounted, is 230C/W for package number MUA08A, 170C/W for package number M08A and is
107C/W for package number N08E*.
Note 4: Human body model, 100pF discharged through a 1.5k
resistor.
Note 5: Machine Model, 220pF – 240pF discharged through all pins.
Note 6: Typicals are measured at 25C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 9: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Note 10: The MUA08BA package is thermally limited to 595 mW of power dissipation at room temperature. Refering to the Power Dissipation vs Output Power
graph in the Typical Performance Characteristics section, the power dissipation limitation for the package occurs at 300 mW of output power. This package
limitation is based on 25C ambient temperature and
θJA = 210C. For higher output power possibilities refer to the Power Dissipation Section.
Note 11: The LDA10A package has its exposed-DAP soldered to an exposed 1.2in2 area of 1oz printed circuit board copper.
* Not recommended for new designs. Contact NSC Audio Marketing.
LM4864
www.national.com
4
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PDF描述 |
|---|---|
| LM4864N/NOPB | 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| LM4864LD/NOPB | 0.725 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO10 |
| LM4865IBP/NOPB | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4864MX | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4864MX/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4864N | 功能描述:IC AMP AUDIO PWR .725W MONO 8DIP RoHS:否 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) |
| LM4865 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4865IBP | 制造商:Texas Instruments 功能描述: |
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