- 您现在的位置：买卖IC网 > PDF目录30751 > LM4731TA/NOPB (NATIONAL SEMICONDUCTOR CORP) 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 PDF资料下载
参数资料
| 型号： | LM4731TA/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封装： | PLASTIC, TO-220, 15 PIN |
| 文件页数： | 10/16页 |
| 文件大小： | 640K |
| 代理商： | LM4731TA/NOPB |
Absolute Maximum Ratings (Notes 1,
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
+|+|V-|
56V
Common Mode Input Voltage
V
+ or V-
Differential Input Voltage
56V
Output Current
Internally Limited
Power Dissipation (Note 3)
50W
ESD Susceptability (Note 4)
2.0kV
ESD Susceptability (Note 6)
250V
Junction Temperature (T
JMAX) (Note 9)
150C
Soldering Information
T Package (10 sec.)
260C
Storage Temperature
40C to +150C
Thermal Resistance
θ
JA (TA)
43C/W
θ
JC (TA)
1.5C/W
Operating Ratings (Notes 1, 2)
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
20C
≤ T
A
≤ +85C
Supply Voltage |V
+|+|V-|
20V
≤ V
TOTAL
≤ 56V
Electrical Characteristics (Notes 1, 2)
The following specifications apply for V
+ = +22V, V- = 22V and R
L =8
unless otherwise specified. Limits apply for T
A =
25C.
Symbol
Parameter
Conditions
LM4731
Units
(Limits)
Typical
Limit
(Notes 7, 8)
|V
+|+|V-|
Power Supply Voltage (Note 10)
GND V
-
≥ 9V
20
56
V (min)
V (max)
A
M
Mute Attenuation
85
dB
P
O
Output Power (RMS)
THD+N = 10% (max), f = 1kHz
|V
+|=|V-| = 18V, R
L =4
|V
+|=|V-| = 22V, R
L =8
25
20
22
W (min)
THD+N = 1% (max), f = 1kHz
|V
+|=|V-| =18V, R
L =4
|V
+|=|V-| = 22V, R
L =8
20
18
W (min)
THD+N
Total Harmonic Distortion +
Noise
P
O = 1W, f = 1kHz
A
V = 26dB,
|V
+|=|V-| = 18V, R
L =4
|V
+|=|V-| = 22V, R
L =8
0.03
0.02
0.5
0.3
% (max)
X
talk
Channel Separation
P
O = 10W
f = 1kHz
f = 10kHz
65
60
dB
SR
Slew Rate (Note 11)
V
IN = 2.0Vp-p,trise = 2ns
18
V/s
I
DD
Total Quiescent Power Supply
Current
V
CM = 0V, VO = 0V, IO =0A
Standby off (Play Mode)
Standby on (Standby Mode)
95
4.8
110
6
mA (max)
V
OS
Input Offset Voltage
V
CM = 0V, IO = 0 mA
2.0
15
mV (max)
I
B
Input Bias Current
V
CM = 0V, IO = 0 mA
0.2
A
PSRR
Power Supply Rejection Ratio
V
RIPPLE =1VRMS,fRIPPLE = 120Hz sine
wave
Inputs terminated to GND
50
dB
A
VOL
Open Loop Voltage Gain
R
L =2 k
, V
O = 20V
110
dB
e
IN
Input Noise
IHF — A-Weighting Filter
2.0
8
V (max)
R
IN = 600
(Input Referred)
Standby
V
IL
Standby Low Input Voltage
Not in Standby Mode (Play)
0.8
V (max)
V
IH
Standby High Input Voltage
In Standby Mode
2.0
2.5
V (min)
Mute
LM4731
www.national.com
3
相关PDF资料 |
PDF描述 |
|---|---|
| LM4752MDC | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4752MWC | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4752T/NOPB | 7 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM7 |
| LM4753T | 11.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| LM4755MWC | 11 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4732 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 50W Audio Power Amplifier with Mute |
| LM4732TA | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 50W Audio Power Amplifier with Mute |
| LM4733 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3 Channel 30W Audio Power Amplifier with Mute |
| LM4733BG240G320WCF | 制造商:DENSITRON 功能描述:LCD MODULE GRAPHIC |
| LM4733TA | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3 Channel 30W Audio Power Amplifier with Mute |
发布紧急采购，3分钟左右您将得到回复。