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參數(shù)資料
| 型號(hào)： | LM4882MM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 250mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 0.48 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 445K |
| 代理商： | LM4882MM |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
PIn 5
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
6.0 V
65C to +150C
0.3V to V
DD
+ 0.3V
Internally limited
2000V
1500V
150C
215C
220C
See AN-450
″
Surface Mounting and their Effects on
Product Reliability
″
for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC
(MSOP)
θ
JA
(MSOP)
θ
JC
(SOP)
θ
JA
(SOP)
56C/W
210C/W
35C/W
170C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.4V
≤
V
DD
≤
5.5V
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4882
Units
(Limits)
Typical
(Note 5)
2
0.5
5
Limit
(Note 6)
4.0
5
50
I
DD
I
SD
V
OS
P
O
Quiescent Current
Shutdown Current
Offset Voltage
Output Power
V
IN
= 0V, I
O
= 0A
V
pin1
= V
DD
V
IN
= 0V
THD + N = 1% (max); f = 1 kHz;
R
L
= 4
R
L
= 8
R
L
= 32
THD + N = 10%; f = 1 kHz
R
L
= 4
R
L
= 8
R
L
= 32
R
L
= 8
, P
O
= 250 mWrms;
R
L
= 32
, P
O
= 85 mWrms;
f = 1 kHz
V
pin3
= 2.5V, V
ripple
= 200 mVrms,
f = 120 Hz
mA (max)
μA (max)
mV (max)
380
270
95
mW
250
mW (min)
mW
480
325
125
0.5
0.1
mW
mW
mW
%
%
THD + N
Total Harmonic Distortion + Noise
PSRR
Power Supply Rejection Ratio
50
dB
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for V
DD
= 3V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4882
Units
(Limits)
Typical
(Note 5)
1.2
0.3
5
Limit
(Note 6)
I
DD
I
SD
V
OS
P
O
Quiescent Current
Shutdown Current
Offset Voltage
Output Power
V
IN
= 0V, I
O
= 0A
V
pin1
= V
DD
V
IN
= 0V
THD + N = 1% (max); f = 1 kHz
R
L
= 8
R
L
= 32
THD + N = 10%; f = 1 kHz
R
L
= 8
R
L
= 32
mA
μA
mV
80
30
mW
mW
105
40
mW
mW
www.national.com
2
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