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參數(shù)資料
| 型號(hào)： | LM4923 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select |
| 中文描述： | 1.1瓦特全差分音頻功率放大器，具有關(guān)斷選擇 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 433K |
| 代理商： | LM4923 |
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
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
Thermal Resistance
θ
JA
(LLP)
Soldering Information
See AN-1187
140C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.4V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5V
(Notes 1, 2)
The following specifications apply for V
DD
= 5V, A
V
= 1, and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4923
Units
(Limits)
Typical
(Note 6)
4
4
0.1
Limit
(Note 7)
9
9
1
I
DD
Quiescent Power Supply Current
V
IN
= 0V, no load
V
IN
= 0V, R
L
= 8
V
SHUTDOWN
= GND
THD = 1% (max); f = 1 kHz
LM4923, R
L
= 8
P
o
= 0.4 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
f = 217Hz (Note 8)
f = 1kHz (Note 8)
f = 217Hz,
V
CM
= 200mV
pp
V
IN
= 0V
mA (max)
I
SD
P
o
Shutdown Current
Output Power
μA (max)
1.1
0.02
1
THD+N
PSRR
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
%
85
85
50
73
73
CMRR
Common_Mode Rejection Ratio
dB
V
OS
V
SDIH
V
SDIL
Output Offset
Shutdown Voltage Input High
Shutdown Voltage Input Low
4
mV
V
V
0.9
0.7
Electrical Characteristics V
DD
= 3V
The following specifications apply for V
DD
= 3V, A
V
= 1, and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4923
Units
(Limits)
Typical
(Note 6)
3
3
0.1
Limit
(Note 7)
5.5
5.5
1
I
DD
Quiescent Power Supply Current
V
IN
= 0V, no load
V
IN
= 0V, R
L
= 8
V
SHUTDOWN
= GND
THD = 1% (max); f = 1kHz
LM4923, R
L
= 8
P
o
= 0.25Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
f = 217Hz (Note 8)
f = 1kHz (Note 8)
f = 217Hz
V
CM
= 200mV
pp
V
IN
= 0V
mA (max)
I
SD
P
o
Shutdown Current
Output Power
μA (max)
0.375
W
THD+N
PSRR
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
0.02
%
85
85
50
73
CMRR
Common-Mode Rejection Ratio
dB
V
OS
V
SDIH
V
SDIL
Output Offset
Shutdown Voltage Input High
Shutdown Voltage Input Low
4
mV
V
V
0.8
0.6
L
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| LM4923_07 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select |
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| LM4923LQBD | 功能描述:音頻 IC 開發(fā)工具 LM4923LQ EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| LM4923LQBD/NOPB | 制造商:Texas Instruments 功能描述:Evaluation Kit For 1.1 Watt Fully Differential Audio Power Amplifier With Shut-Down Select |
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