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参数资料
| 型号： | LM4895LDX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.4 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO10 |
| 封装： | LLP-10 |
| 文件页数： | 10/15页 |
| 文件大小： | 643K |
| 代理商： | LM4895LDX/NOPB |
Electrical Characteristics V
DD =3V
The following specifications apply for V
DD = 3V and 8 load unless otherwise specified. Limits apply for TA =
25C. (Continued)
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 Absolute Maximum Ratings, whichever is lower. For the LM4895, see power derating
currents for additional information.
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: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 8: For micro SMD only, shutdown current is measured in a Normal Room Environment. Exposure to direct sunlight will increase ISD by a maximum of 2A.
Note 9: Unterminated input.
Note 10: 10
terminated input.
Note 11: When driving 4
loads from a 5V supply, the LM4895LD must be mounted to a circuit board.
External Components Description (Figure 1)
Components
Functional Description
1.
C
S
Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
2.
C
B
Bypass pin capacitor which provides half-supply filtering. Refer to the section, Proper Selection of External
Components, for information concerning proper placement and selection of C
B.
Typical Performance Characteristics
LD Specific Characteristics
LM4895LD
THD+N vs Output Power
V
DD = 5V, 4 RL
LM4895LD
THD+N vs Frequency
V
DD = 5V, 4 RL, and Power = 1W
20023202
20023210
LM4895
www.national.com
4
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| LM4895MM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1 Watt Fully Differential Audio Power Amplifier With Shutdown Select and Fixed 6dB Gain |
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| LM4897MM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out |
| LM4897MM/NOPB | 功能描述:IC AMP AUDIO PWR 1.1W AB 10MSOP 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) |
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