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参数资料
| 型号： | LM4914MH/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.085 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封装： | TSSOP-10 |
| 文件页数： | 10/16页 |
| 文件大小： | 767K |
| 代理商： | LM4914MH/NOPB |
Absolute Maximum Ratings (Note 3)
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 4)
Internally Limited
ESD Susceptibility (Note 5)
2000V
ESD Susceptibility (Note 6)
200V
Junction Temperature
150C
Solder Information
Small Outline Package
Vapor Phase (60sec)
215C
Infrared (15sec)
220C
See AN-450 "Surface Mounting
and their Effects on Product
Reliability" for other methods of
soldering surface-mount devices.
Thermal Resistance
θ
JA (typ) - MXF10A
46C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.5V
≤ V
DD
≤ 5.5V
Electrical Characteristics for Entire Amplifier (V
DD = 5V)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4914
Units
(Limits)
Typical
Limit
(Notes 9, 10)
V
DD
Supply Voltage
2.5
5.5
V (min)
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A, No Load
4
6.5
mA (max)
I
SD
Shutdown Quiescent Power Supply
Current
V
SHUTDOWN = GND
0.03
5
A (max)
V
OS
Output Offset Voltage
7
30
mV (max)
PSRR
Power Supply Rejection Ratio
V
DD = 5V, CBYPASS = 0.47F,
V
ripple = 200mVp-p 1kHz sine wave
R
L =8
52 BTL
60 SE
dB
HP-S
VIH
HP-SENSE Logic-High Threshold
Voltage
4.5
V (min)
HP-S
VIL
HP-SENSE Logic-Low Threshold
Voltage
2.75
V (max)
SD
VIH
Shutdown Logic High Threshold
2.0
V (min)
SD
VIL
Shutdown Logic Low Threshold
0.8
V (max)
LM4914
www.national.com
3
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