參數(shù)資料
型號(hào)： LM4755TSX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： LM4755 Stereo 11W Audio Power Amplifier with Mute; Package: TO-263; No of Pins: 9
中文描述： 11 W, 2 CHANNEL, AUDIO AMPLIFIER, PSSO9
封裝： TO-263, 9 PIN
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 530K
代理商： LM4755TSX
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
40V
Input Voltage
±0.7V
Input Voltage at Output Pins (Note 8)
GND -0.4V
Output Current
Internally Limited
Power Dissipation (Note 3)
62.5W
ESD Susceptibility (Note 4)
2 kV
Junction Temperature
150°C
Soldering Information
T Package (10 seconds)
250°C
Storage Temperature
40°C to 150°C
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40°C
≤ T
A ≤ +85°C
Supply Voltage
9V to 32V
θ
JC
2°C/W
θ
JA
76°C/W
Electrical Characteristics
The following specifications apply to each channel with V
CC = 24V, TA = 25°C unless otherwise specified.
Symbol
Parameter
Conditions
LM4755
Units
(Limits)
Typical
(Note 5)
Limit
I
TOTAL
Total Quiescent Power
Supply Current
Mute Off
10
15
mA(max)
7
mA(min)
Mute On
7
mA
P
O
Output Power (Continuous
Average per Channel)
f = 1 kHz, THD+N = 10%, R
L = 8
7
W
f = 1 kHz, THD+N = 10%, R
L = 4
11
10
W(min)
V
S = 20V, RL = 8
4
W
V
S = 20V, RL = 4
7
W
f = 1 kHz, THD+N = 10%, R
L = 4
V
S = 12V, TO-263 Pkg.
2.5
W
THD
Total Harmonic Distortion
f = 1 kHz, P
O = 1 W/ch, RL = 8
0.08
%
V
OSW
Output Swing
P
O = 10W, RL = 8
15
V
P
O = 10W, RL = 4
14
V
X
TALK
Channel Separation
See Apps. Circuit
55
dB
f = 1 kHz, V
O = 4 Vrms
PSRR
Power Supply Rejection Ratio
See Apps. Circuit
50
dB
f = 120 Hz, V
O = 1 mVrms
V
ODV
Differential DC Output Offset
Voltage
V
IN = 0V
0.09
0.4
V(max)
SR
Slew Rate
2
V/s
R
IN
Input Impedance
83
k
PBW
Power Bandwidth
3 dB BW at P
O = 2.5W, RL = 8
65
kHz
A
VCL
Closed Loop Gain (Internally Set)
R
L = 8
34
33
dB(min)
35
dB(max)
ε
IN
Noise
IHF-A Weighting Filter, R
L = 8
Output Referred
0.2
mVrms
I
O
Output Short Circuit Limit
V
IN = 0.5V, RL = 2
2
A(min)
Mute Pin
V
IL
Mute Low Input Voltage
Not in Mute Mode
0.8
V(max)
V
IH
Mute High Input Voltage
In Mute Mode
2.0
2.5
V(min)
A
M
Mute Attenuation
V
MUTE = 5.0V
80
dB
3
www.national.com
LM4755
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4755TSX/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
LM4756 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 7W Audio Power Amplifier w/Mute, Standby and Volume Control
LM4765 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Power Amplifier Series Dual 30W Audio Power Amplifier with Mute and Standby Modes
LM4765T 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
LM4765T/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
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