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参数资料
| 型号： | LM4730TA/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 14 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封装： | PLASTIC, TO-220, 15 PIN |
| 文件页数： | 11/17页 |
| 文件大小： | 647K |
| 代理商： | LM4730TA/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-|
50V
Common Mode Input Voltage
V
+ or V-
Differential Input Voltage
50V
Output Current
Internally Limited
Power Dissipation (Note 3)
40W
ESD Susceptability (Note 4)
2.0kV
ESD Susceptability (Note 5)
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
≤ 50V
Electrical Characteristics (Notes 1, 2)
The following specifications apply for V
+ = +17V, V- = 17V and R
L =8
unless otherwise specified. Limits apply for T
A =
25C.
Symbol
Parameter
Conditions
LM4730
Units
(Limits)
Typical
Limit
(Notes 7, 8)
|V
+|+|V-|
Power Supply Voltage (Note 10)
GND V
-
≥ 9V
20
50
V (min)
V (max)
A
M
Mute Attenuation
85
dB
P
O
Output Power (RMS)
THD+N = 10% (max), f = 1kHz
|V
+|=|V-| =14V, R
L =4
|V
+|=|V-| =17V, R
L =8
14
12
W (min)
THD+N = 1% (max), f = 1kHz
|V
+|=|V-| =14V, R
L =4
|V
+|=|V-| =17V, R
L =8
11
9
W (min)
THD+N
Total Harmonic Distortion +
Noise
P
O = 1W, f = 1kHz
A
V = 26dB
|V
+|=|V-| =14V, R
L =4
|V
+|=|V-| =17V, 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)
90
3.5
100
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
LM4730
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4731 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 25W Audio Power Amplifier with Mute and Standby Modes |
| LM4731TA | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 25W Audio Power Amplifier with Mute and Standby Modes |
| LM4731TA/NOPB | 功能描述:IC AMP AUDIO PWR 25W AB TO220-15 RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:- 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) |
| LM4731TA/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM4732 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 50W Audio Power Amplifier with Mute |
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