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參數(shù)資料
| 型號： | LM4680SD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10W High-Efficiency Mono BTL Audio Power Amplifier |
| 中文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO14 |
| 封裝： | LLP-14 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 754K |
| 代理商： | LM4680SD |
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
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility(Note 4)
ESD Susceptibility (Note 5)
16V
65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
200V
Junction Temperature
Thermal Resistance
θ
JC
(LD)
θ
JA
(LD)
150C
2C/W
40C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage (Note 10)
40C
≤
T
A
≤
85C
9.0V
≤
V
DD
≤
14V
Electrical Characteristics for the LM4680
(Note 1)
The following specifications apply for the circuit shown in Figure 1 operating with V
DD
= 12V, R
L
= 8
, and f
IN
= 1kHz,
unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4680
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7,
8)
52
I
DD
I
SD
A
V
Quiescent Power Supply Current
Shutdown Current
Amplifier Gain
V
IN
= 0V, I
O
= 0A, R
L
= 8
V
SHUTDOWN
= GND (Note 9)
BTL output voltage with respect to input
voltage
THD+N = 1% (max)
THD+N = 10%, V
DD
= 14V
P
OUT
= 1W
RMS
P
OUT
= 6W, post filter,
-3dB relative to 1kHz
P
OUT
= 6W
A-Weighted Filter, V
IN
= 0V,
Input Referred
A-Weighted Filter, P
OUT
= 6W
Input Referred
V
RIPPLE
= 200mV
p-p
, C
BYPASS_1
= 10μF,
Input Referred
f = 50Hz
f = 60Hz
f = 100Hz
f = 120Hz
f = 1kHz
C
BYPASS
= 10μF
28
0.1
30
mA
mA
dB
P
O
Output Power
6
10
0.2
20
20000
81
10
5
W
THD+N
f
BW
Total Harmonic Distortion + Noise
Frequency Response Bandwidth
%
Hz
Hz
%
μV
η
éN
Efficiency
Output Noise
SNR
Signal-to-Noise Ratio
116
dB
PSRR
Power Supply Rejection Ratio
99
101
102
102
104
600
dB
t
WU
T
SD
Wake-Up time
Thermal Shutdown Temperature
ms
C
C
170
V
SDIH
V
SDIL
Shutdown Voltage Input High
Shutdown Voltage Input Low
4
V (min)
V (max)
1.5
L
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