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參數(shù)資料
| 型號： | LM4671ITLX/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | MICRO, SMD-9 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 589K |
| 代理商： | LM4671ITLX/NOPB |
Symbol
Parameter
Conditions
LM4671
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
P
O
Output Power
R
L = 15μH + 8 + 15μH
THD = 10% (max)
f = 1kHz, 22kHz BW
V
DD = 5V
1.7
W
V
DD = 3.6V
870
mW
V
DD = 2.5V
425
mW
R
L = 15μH + 8 + 15μH
THD = 1% (max)
f = 1kHz, 22kHz BW
V
DD = 5V
1.19
W
V
DD = 3.6V
700
600
mW
V
DD = 2.5V
350
mW
THD+N
Total Harmonic Distortion + Noise
V
DD = 5V, PO = 0.1WRMS,
f = 1kHz
0.09
%
V
DD = 3.6V, PO = 0.1WRMS,
f = 1kHz
0.04
%
V
DD = 3.6V, PO = 0.1WRMS,
f = 5kHz
0.12
%
V
DD = 3.6V, PO = 0.1WRMS,
f = 10kHz
0.05
%
V
DD = 3.6V, 5V
V
Ripple = 200mVPP Sine,
f
Ripple = 217Hz
Inputs to AC GND, C
I = 2μF
61.8
dB
PSRR
Power Supply Rejection Ratio
V
DD = 3.6V, 5V
V
Ripple = 200mVPP Sine,
f
Ripple = 1kHz
Inputs to AC GND, C
I = 2μF
59.8
dB
V
DD = 3.6V, 5V
V
Ripple = 200mVPP Sine,
f
Ripple = 10kHz
Inputs to AC GND, C
I = 2μF
48.7
dB
V
DD = 3.6V, 5V
V
Ripple = 200mVPP Sine,
f
Ripple = 217Hz
f
IN = 1kHz, PO = 10mWRMS
65.7
dB
SNR
Signal to Noise Ratio
V
DD = 5V, PO = 1WRMS
93
dB
ε
OUT
Output Noise
V
DD = 3.6V, f = 20Hz – 20kHz
Inputs to AC GND, C
I = 2μF
No Weighting
58
μV
RMS
V
DD = 3.6V, Inputs to AC GND
C
I = 2μF, A Weighted
38
μV
RMS
CMRR
Common Mode Rejection Ratio
V
DD = 3.6V, VRipple = 1VPP Sine
f
Ripple = 217Hz
68.3
dB
T
WU
Wake-up Time
V
DD = 3.6V
17
49
μs (max)
T
SD
Shutdown Time
140
μs
www.national.com
4
LM4671
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