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参数资料
| 型号： | LM4901IBP |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.05 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | MICRO, SMD-9 |
| 文件页数： | 15/21页 |
| 文件大小： | 1074K |
| 代理商： | LM4901IBP |
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 (Note 11)
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Notes 3, 13)
Internally Limited
ESD Susceptibility (Note 4)
2500V
ESD Susceptibility (Note 5)
250V
Junction Temperature
150C
Thermal Resistance
θ
JA (micro SMD) (Note 12)
180C/W
θ
JC (MSOP)
56C/W
θ
JA (MSOP)
190C/W
Soldering Information
See AN-1112 ’microSMD Wafers Level Chip Scale
Package.’
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40C
≤ T
A ≤ 85C
Supply Voltage
2.0V
≤ V
DD ≤ 5.5V
Electrical Characteristics V
DD =5V (Notes 1, 2, 8)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4901
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
3
7
mA (max)
V
IN = 0V, Io = 0A, 8 Load
4
10
mA (max)
I
SD
Shutdown Current
V
SD =VSD Mode
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD, SD High
1.5
V (min)
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD, SD High
1.3
V (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND, SD Low
1.5
V (min)
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND, SD Low
1.3
V (max)
V
OS
Output Offset Voltage
7
50
mV (max)
R
OUT
Resistor Output to GND (Note 10)
8.5
9.7
k
(max)
7.0
k
(max)
P
o
Output Power
THD = 1% (max);f=1kHz
1.05
1.0
W
T
WU
Wake-up time
100
mS (max)
THD+N
Total Harmonic Distortion+Noise
P
o = 0.5 Wrms; f = 1kHz
0.2
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
60 (f =
217Hz)
64 (f =
1kHz)
55
dB (min)
Electrical Characteristics V
DD =3V (Notes 1, 2, 8)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4901
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
2
7
mA (max)
V
IN = 0V, Io = 0A, 8 Load
3
9
mA (max)
I
SD
Shutdown Current
V
SD =VSD Mode
0.1
2.0
A (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE =VDD, SD High
1.1
V (min)
V
SDIL
Shutdown Voltage Input Low
V
SD MODE =VDD, SD High
0.9
V (max)
V
SDIH
Shutdown Voltage Input High
V
SD MODE = GND, SD Low
1.3
V (min)
V
SDIL
Shutdown Voltage Input Low
V
SD MODE = GND, SD Low
1.0
V (max)
V
OS
Output Offset Voltage
7
50
mV (max)
LM4901
www.national.com
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| LM4901MM | 制造商:Texas Instruments 功能描述:AMP AUDIO POWER 1W SMD LLP-16 |
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