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參數(shù)資料
| 型號(hào)： | LM4731TA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Stereo 25W Audio Power Amplifier with Mute and Standby Modes |
| 中文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | PLASTIC, TO-220, 15 PIN |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 640K |
| 代理商： | LM4731TA |
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Absolute Maximum Ratings
(Notes 1,
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
+
| + |V
-
|
Common Mode Input Voltage
Differential Input Voltage
Output Current
Power Dissipation (Note 3)
ESD Susceptability (Note 4)
ESD Susceptability (Note 6)
Junction Temperature (T
JMAX
) (Note 9)
56V
V
+
or V
-
56V
Internally Limited
50W
2.0kV
250V
150C
Soldering Information
T Package (10 sec.)
Storage Temperature
Thermal Resistance
θ
JA
(TA)
θ
JC
(TA)
260C
40C to +150C
43C/W
1.5C/W
Operating Ratings
(Notes 1, 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage |V
+
| + |V
-
|
20C
≤
T
A
≤
+85C
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
(Note 6)
Limit
(Notes 7, 8)
20
56
|V
+
| + |V
-
|
Power Supply Voltage (Note 10)
GND V
-
≥
9V
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
THD+N = 1% (max), f = 1kHz
|V
+
| = |V
-
| =18V, R
L
= 4
|V
+
| = |V
-
| = 22V, R
L
= 8
P
O
= 1W, f = 1kHz
A
V
= 26dB,
|V
+
| = |V
-
| = 18V, R
L
= 4
|V
+
| = |V
-
| = 22V, R
L
= 8
P
O
= 10W
f = 1kHz
f = 10kHz
V
IN
= 2.0V
p-p
, t
rise
= 2ns
V
CM
= 0V, V
O
= 0V, I
O
= 0A
Standby off (Play Mode)
Standby on (Standby Mode)
V
CM
= 0V, I
O
= 0 mA
V
CM
= 0V, I
O
= 0 mA
V
RIPPLE
= 1V
RMS
, f
RIPPLE
= 120Hz sine
wave
Inputs terminated to GND
R
L
= 2 k
,
V
O
= 20V
IHF — A-Weighting Filter
R
IN
= 600
(Input Referred)
25
25
20
22
W (min)
W (min)
20
20
18
18
W (min)
W (min)
THD+N
Total Harmonic Distortion +
Noise
0.03
0.02
0.5
0.3
% (max)
% (max)
X
talk
Channel Separation
65
60
18
dB
dB
V/μs
SR
I
DD
Slew Rate (Note 11)
Total Quiescent Power Supply
Current
95
4.8
2.0
0.2
110
6
15
mA (max)
mA (max)
mV (max)
μA
V
OS
I
B
PSRR
Input Offset Voltage
Input Bias Current
Power Supply Rejection Ratio
50
dB
A
VOL
e
IN
Open Loop Voltage Gain
Input Noise
110
2.0
dB
8
μV (max)
Standby
V
IL
V
IH
Mute
Standby Low Input Voltage
Standby High Input Voltage
Not in Standby Mode (Play)
In Standby Mode
0.8
2.5
V (max)
V (min)
2.0
L
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4731TA/NOPB | 功能描述:IC AMP AUDIO PWR 25W AB TO220-15 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4731TA/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| LM4732 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 50W Audio Power Amplifier with Mute |
| LM4732TA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 50W Audio Power Amplifier with Mute |
| LM4733 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3 Channel 30W Audio Power Amplifier with Mute |
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