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参数资料
| 型号： | LM4913MH/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.09 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封装： | TSSOP-10 |
| 文件页数： | 13/18页 |
| 文件大小： | 1078K |
| 代理商： | LM4913MH/NOPB |
Electrical Characteristics: Bridged-Mode Operation (V
DD = 5V)
(Notes 4, 9)
The following specifications apply for the circuit shown in Figure 1, R
L = 4, and a measurement bandwidth of 20Hz to 80kHz,
unless otherwise specified. Limits apply for T
A = 25°C.
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
Limit
(Note 9)
P
O
Output Power (Note 11)
THD = 0.3% (max); f = 1kHz
R
L = 4 (Note 12)
2
W
THD+N
Total Harmonic Distortion + Noise
R
L = 4, PO = 1.5W, f = 1kHz
0.2
%
V
ON
Output Voltage Noise
C
B = 0.47F, 20Hz < f < 20kHz
21
V
RMS
Electrical Characteristics: SE Operation (V
DD = 5V)
(Notes 4, 9)
The following specifications apply for the circuit shown in Figure 1, R
L = 4, and a measurement bandwidth of 20Hz to 80kHz,
unless otherwise specified. Limits apply for T
A = 25°C.
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
Limit
(Note 9)
P
O
Output Power (Note 11)
THD+N = 0.1%, f = 1kHz, R
L = 32
90
mW
THD+N
Total Harmonic Distortion + Noise
f = 1kHz
R
L =32, PO = 70mW
0.2
%
V
ON
Output Voltage Noise
C
B = 0.47F, 20Hz < f < 20kHz
12
V
RMS
Electrical Characteristics for Entire Amplifier (V
DD = 3V)
(Notes 4, 9)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A = 25°C.
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
Limit
(Note 9)
V
DD
Supply Voltage
2.7
5.5
V (min)
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A, No Load
3
7
mA (max)
I
SD
Shutdown Quiescent Power Supply
Current
V
SHUTDOWN = GND
1
4
A (max)
V
OS
Output Offset Voltage
7
30
mV (max)
PSRR
Power Supply Rejection Ratio
V
DD = 3V, CBYPASS = 0.47F,
V
ripple = 200mVp-p 1kHz sine wave
BTL, R
L = 8
BTL, SE, R
L = 32
58
60
dB
HP-S
VIH
HP-SENSE Logic-High Threshold
Voltage
2.7
V (min)
HP-S
VIL
HP-SENSE Logic-Low Threshold
Voltage
1.65
V (max)
SD
VIH
Shutdown Logic High Threshold
2
V (min)
SD
VIL
Shutdown Logic Low Threshold
0.8
V (max)
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LM4913
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