參數(shù)資料
型號： LM3886MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 68 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC
封裝： WAFER
文件頁數(shù)： 17/23頁
文件大?。?/td> 796K
代理商： LM3886MWC
Absolute Maximum Ratings (Notes 6,
5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
+|+|V|
(No Signal)
94V
Supply Voltage |V
+|+|V|
(Input Signal)
84V
Common Mode Input Voltage
(V
+ or V) and
|V
+|+|V|
≤ 80V
Differential Input Voltage (Note 16)
60V
Output Current
Internally Limited
Power Dissipation (Note 7)
125W
ESD Susceptibility (Note 8)
3000V
Junction Temperature (Note 9)
150C
Soldering Information
T Package (10 seconds)
260C
Storage Temperature
40C to +150C
Thermal Resistance
θ
JC
1C/W
θ
JA
43C/W
Operating Ratings (Notes 5, 6)
Temperature Range
T
MIN ≤ TA ≤ TMAX
20C
≤ T
A ≤ +85C
Supply Voltage |V
+|+|V|
20V to 84V
Electrical Characteristics (Notes 5, 6)
The following specifications apply for V
+ = +28V, V = 28V, I
MUTE = 0.5 mA with RL =4 unless otherwise specified. Limits
apply for T
A = 25C.
Symbol
Parameter
Conditions
LM3886
Units
(Limits)
Typical
(Note 10)
Limit
(Note 11)
|V
+|+|V|
Power Supply Voltage (Note 14)
V
pin7 V
≥ 9V
18
20
84
V (min)
V (max)
A
M
Mute Attenuation
Pin 8 Open or at 0V, Mute: On
Current out of Pin 8 > 0.5 mA,
Mute: Off
115
80
dB (min)
P
O
(Note 4)
Output Power (Continuous Average)
THD + N = 0.1% (max)
f = 1 kHz; f = 20 kHz
|V
+|=|V| = 28V, R
L =4
|V
+|=|V| = 28V, R
L =8
|V
+|=|V| = 35V, R
L =8
68
38
50
60
30
W (min)
W
Peak P
O
Instantaneous Peak Output Power
135
W
THD + N
Total Harmonic Distortion Plus Noise
60W, R
L =4,
30W, R
L =8,
20 Hz
≤ f ≤ 20 kHz
A
V =26 dB
0.03
%
SR
(Note 4)
Slew Rate (Note 13)
V
IN = 2.0Vp-p, tRISE =2 ns
19
8
V/s
(min)
I
+ (Note 4)
Total Quiescent Power Supply
Current
V
CM = 0V, Vo = 0V, Io =0A
50
85
mA (max)
V
OS
(Note 3)
Input Offset Voltage
V
CM = 0V, Io =0 mA
1
10
mV (max)
I
B
Input Bias Current
V
CM = 0V, Io = 0 mA
0.2
1
A (max)
I
OS
Input Offset Current
V
CM = 0V, Io = 0 mA
0.01
0.2
A (max)
I
o
Output Current Limit
|V
+|=|V| = 20V, t
ON = 10 ms, VO = 0V
11.5
7
A (min)
V
od
(Note 3)
Output Dropout Voltage (Note 15)
|V
+–V
O|, V
+ = 28V, I
o = +100 mA
|V
O–V
|, V = 28V, I
o = 100 mA
1.6
2.5
2.0
3.0
V (max)
PSRR
(Note 3)
Power Supply Rejection Ratio
V
+ = 40V to 20V, V = 40V,
V
CM = 0V, Io =0 mA
V
+ = 40V, V = 40V to 20V,
V
CM = 0V, Io =0 mA
120
105
85
dB (min)
CMRR
(Note 3)
Common Mode Rejection Ratio
V
+ = 60V to 20V, V = 20V to 60V,
V
CM = 20V to 20V, Io =0 mA
110
85
dB (min)
A
VOL
(Note 3)
Open Loop Voltage Gain
|V
+|=|V| = 28V, R
L =2 k, VO = 40V
115
90
dB (min)
GBWP
Gain-Bandwidth Product
|V
+|=|V| = 30V
f
O = 100 kHz, VIN = 50 mVrms
82
MHz
(min)
LM3886
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LM3886T 制造商:Texas Instruments 功能描述:IC AMP AUDIO + MUTE 68W
LM3886T/NOPB 功能描述:音頻放大器 HIGH-PERF 68W AUDIO PWR AMP 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
LM3886T/NOPB 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC
LM3886TF 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
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