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參數(shù)資料
| 型號(hào)： | LM4851LQ/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 16/22頁 |
| 文件大?。?/td> | 1126K |
| 代理商： | LM4851LQ/NOPB |
Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
65C to +150C
ESD Susceptibility (Note 4)
2.0kV
ESD Machine model (Note 7)
200V
Junction Temperature (T
J)
150C
Solder Information (Note 1)
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
Thermal Resistance
θ
JA (typ) - LQA24A
42C/W
θ
JC (typ) - LQA24A
3.0C/W
θ
JA (typ) - BLA18AAB
48C/W (Note 9)
θ
JC (typ) - BLA18AAB
23C/W (Note 9)
θ
JA (typ) - TLA18AAA
48C/W (Note 9)
θ
JC (typ) - TLA18AAA
23C/W (Note 9)
Operating Ratings (Note 3)
Temperature Range
40C to 85C
Supply Voltage V
DD
2.6V
≤ V
DD
≤ 5.0V
Note 1: See AN-450 "Surface Mounting and their effects on Product Reli-
ability" for other methods of soldering surface mount devices.
The following specifications apply for V
DD= 5.0V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4851
Units
(Limits)
Typical
Limit
I
DD
Supply Current
Output mode 7
V
IN = 0V; IO =0A
7.5
14
mA (max)
Output modes 1, 2, 3, 4, 5, 6
V
IN = 0V; IO =0A
5.0
9.0
mA (max)
I
DD
Shutdown Current
Output mode 0
0.1
2
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5.0
50
mV (max)
P
O
Output Power
SPKR
OUT;RL =4
THD+N = 1%; f = 1kHz
LM4851LQ
1.5
W
SPKR
OUT;RL =8
THD+N = 1%; f = 1kHz
1.1
0.8
W (min)
R
OUT and LOUT;RL =32
THD+N = 0.5%; f = 1kHz
115
80
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
R
OUT and LOUT; f = 1kHz
P
OUT = 80mW; RL =32
0.5
% (max)
SPKR
OUT; f = 1kHz
P
OUT = 800mW; RL =8
1.0
% (max)
R
OUT and LOUT; f = 20Hz to 20kHz
P
OUT = 100mW; RL =32
0.3
%
SPKR
OUT; f = 20Hz to 20kHz
P
OUT = 1W; RL =4
LM4851LQ
0.3
%
SPKR
OUT; f = 20Hz to 20kHz
P
OUT = 800mW; RL =8
0.3
%
N
OUT
Output Noise
A-weighted (Note 10)
29
V
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mVPP; f = 217Hz
Input floating; Input referred
70
dB
V
RIPPLE = 200mVPP; f = 217Hz
Input terminated into 50
; Output referred
62
dB
V
IH
Logic High Input Voltage
1.4
5.0
V (min)
V (max)
V
IL
Logic Low Input Voltage
0.4
V (max)
LM4851
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4852 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated Audio Amplifier System |
| LM48520 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Boosted Stereo Class D Audio Power Amplifier with Output Speaker Protection and Spread Spectrum |
| LM48520TL | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 2-CH Stereo 1.3W Class-D 25-Pin uSMD T/R |
| LM48520TL/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM48520TLBD | 功能描述:音頻 IC 開發(fā)工具 LM48520TLBD EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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