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參數(shù)資料
| 型號(hào)： | LM4671 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 音頻放大器 |
| 英文描述： | Filterless High Efficiency 2.5W Switching Audio Amplifier |
| 中文描述： | 濾波2.5W的高效率開關(guān)音頻放大器 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 969K |
| 代理商： | LM4671 |
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 (Note 1)
Storage Temperature
Voltage at Any Input Pin
Power Dissipation (Note 3)
ESD Susceptibility, all other pins (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
JMAX
)
6.0V
65C to +150C
V
DD
+ 0.3V
≥
V
≥
GND - 0.3V
Internally Limited
2.0kV
200V
150C
Thermal Resistance
θ
JA
(micro SMD)
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
220C/W
Operating Ratings
(Note 1) (Note 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.4V
≤
V
DD
≤
5.5V
Electrical Characteristics
The following specifications apply for A
V
= 2V/V (R
I
= 150k
), R
L
= 15μH + 8
+ 15μH unless otherwise specified. Limits ap-
ply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4671
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7, 8)
|V
OS
|
Differential Output Offset Voltage
V
I
= 0V, A
V
= 2V/V,
V
DD
= 2.4V to 5.0V
5
mV (max)
PSRR
GSM
GSM Power Supply Rejection Ratio V
DD
= 2.4V to 5.0V
61
dB (min)
CMRR
GSM
GSM Common Mode Rejection
Ratio
V
DD
= 2.4V to 5.0V
V
IC
= V
DD
/2 to 0.5V,
V
IC
= V
DD
/2 to V
DD
– 0.8V
V
DD
= 5.0V, V
I
= 5.5V
V
DD
= 5.0V, V
I
= –0.3V
V
IN
= 0V, No Load, V
DD
= 5.0V
V
IN
= 0V, No Load, V
DD
= 3.6V
V
IN
= 0V, No Load, V
DD
=2.4V
V
SHUTDOWN
= 0V
V
DD
= 2.4V to 5.0V
68
dB (min)
|I
IH
|
|I
IL
|
Logic High Input Current
Logic Low Input Current
17
0.9
6.4
3.8
2.0
100
5
μA (max)
μA (max)
mA (max)
mA
mA (max)
I
DD
Quiescent Power Supply Current
6.2
3.0
I
SD
Shutdown Current
0.01
1
μA (max)
V
SDIH
V
SDIL
R
OSD
Shutdown voltage input high
Shutdown voltage input low
Output Impedance
1.2
1.1
100
1.4
0.4
V (min)
V (max)
k
V/V (min)
V/V (max)
V
SHUTDOWN
= 0.4V
A
V
Gain
300k
/R
I
270k
/R
I
330k
/R
I
R
SD
Resistance from Shutdown Pin to
GND
300
k
P
O
Output Power
R
L
= 15μH + 4
+ 15μH
THD = 10% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V
V
DD
= 3.6V
V
DD
= 2.5V
R
L
= 15μH + 4
+ 15μH
THD = 1% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V
V
DD
= 3.6V
V
DD
= 2.5V
2.5
1.3
520
W
W
mW
2.21
1.06
420
W
W
mW
L
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4671_07 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 2.5W Switching Audio Amplifier |
| LM4671_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 2.5W Switching Audio Amplifier |
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