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参数资料
| 型号： | LM4881MDA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | DIE |
| 文件页数： | 8/14页 |
| 文件大小： | 473K |
| 代理商： | LM4881MDA |
Electrical Characteristics (Notes 2, 3)
The following specifications apply for V
DD = 3V unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4881
Units (Limits)
Typ (Note 7)
Limit (Note 8)
I
DD
Quiescent Current
V
IN = 0V, IO = 0A
1.1
mA
I
SD
Shutdown Current
V
PIN1 =VDD
0.7
A
V
OS
Offset Voltage
V
IN =0V
5
mV
P
O
Output Power
THD = 1% (max);
f = 1 kHz;
R
L =8
70
mW
R
L=16
65
mW
R
L =32
30
mW
THD+N= 10%;
f = 1 kHz;
R
L =8
95
mW
R
L =16
65
mW
R
L =32
35
mW
THD+N
Total Harmonic Distortion +
Noise
R
L =16,P O = 60 mWrms;
0.2
%
R
L =32,PO =
25 mWrms;f=1kHz
0.03
%
PSRR
Power Supply Rejection Ratio
C
B = 1.0 F, VRIPPLE =
200 mVrms, f = 100 Hz
50
dB
Note 2: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 3:
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 4: 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 P DMAX =(TJMAX TA)/ θJA. For the LM4881, TJMAX = 150C, and the typical junction-to-ambient thermal resistance, when board
mounted, is 210C/W for the MSOP Package and 107C/W for package N08E.
Note 5: Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 6: Machine Model, 220 pF–240 pF discharged through all pins.
Note 7: Typicals are measured at 25C and represent the parametric norm.
Note 8: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
LM4881
www.national.com
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4881MM | 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 |
| LM4881MM/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 |
| LM4881MM/SL110729 | 制造商:Texas Instruments 功能描述: |
| LM4881MMX | 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 |
| LM4881MMX/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 |
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