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参数资料
| 型号： | LM4900M/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 11/17页 |
| 文件大小： | 843K |
| 代理商： | LM4900M/NOPB |
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
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +
0.3V
Power Dissipation (Note 3)
Internally limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC (M08A)
35C/W
θ
JA (M08A)
170C/W
θ
JC (MUA08A)
56C/W
θ
JA (MUA08A)
190C/W
θ
JA (LDA08B)
67C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤
+85C
Supply Voltage
2.0V
≤ V
DD
≤ 5.5V
Electrical Characteristics (Note 1) (Note 2)
The following specifications apply for V
DD = 5V, for all available packages, unless otherwise specified. Limits apply for TA =
25C
Symbol
Parameter
Conditions
LM4900
Units
(Limits)
Typical
Limit
(Notes 7,
I
DD
Quiescent Power Supply Current
V
4
6.0
mA (max)
I
SD
Shutdown Current
V
PIN1 =VDD
0.1
5
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power
THD = 1% (max); f = 1kHz; R
L =8
;
675
300
mW (min)
THD+N
Total Harmonic Distortion+Noise
P
O = 400 mWrms; AVD =2;RL =8
;
20Hz
≤ f ≤ 20kHz, BW < 80kHz
0.4
%
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mV sine p-p
dB
f = 217Hz (Note 10)
70
f = 1KHz (Note 10)
67
f = 217Hz (Note 11)
55
f = 1KHz (Note 11)
55
Electrical Characteristics (Note 1) (Note 2)
The following specifications apply for V
DD = 3.3V, for all available packages, unless otherwise specified. Limits apply for TA =
25C
Symbol
Parameter
Conditions
LM4900
Units
(Limits)
Typical
Limit
(Notes 7,
I
DD
Quiescent Power Supply Current
V
3
5
mA (max)
I
SD
Shutdown Current
V
PIN1 =VDD
0.1
3
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power
THD = 1% (max); f = 1kHz; R
L =8
;
265
mW (min)
THD+N
Total Harmonic Distortion+Noise
P
O = 250 mWrms; AVD =2;RL =8
;
20Hz
≤ f ≤ 20kHz, BW < 80kHz
0.4
%
LM4900
www.national.com
3
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