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LM4923LQ Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4923LQ
Description  1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
PDF  12 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4923LQ Datasheet(HTML) 3 Page - National Semiconductor (TI)

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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
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150˚C
Thermal Resistance
θ
JA (LLP)
140˚C/W
Soldering Information
See AN-1187
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
2.4V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V (Notes 1, 2)
The following specifications apply for V
DD = 5V, AV = 1, and 8
Ω load unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4923
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
I
DD
Quiescent Power Supply Current
V
IN = 0V, no load
V
IN = 0V, RL =8
Ω
4
4
9
9
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND
0.1
1
µA (max)
P
o
Output Power
THD = 1% (max);f=1kHz
LM4923, R
L =8
Ω
1.1
1
THD+N
Total Harmonic Distortion+Noise
P
o = 0.4 Wrms; f = 1kHz
0.02
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
f = 217Hz (Note 8)
85
73
f = 1kHz (Note 8)
85
73
CMRR
Common_Mode Rejection Ratio
f = 217Hz,
V
CM = 200mVpp
50
dB
V
OS
Output Offset
V
IN =0V
4
mV
V
SDIH
Shutdown Voltage Input High
0.9
V
V
SDIL
Shutdown Voltage Input Low
0.7
V
Electrical Characteristics V
DD =3V
(Notes 1, 2)
The following specifications apply for V
DD = 3V, AV = 1, and 8
Ω load unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4923
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
I
DD
Quiescent Power Supply Current
V
IN = 0V, no load
V
IN = 0V, RL =8
Ω
3
3
5.5
5.5
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND
0.1
1
µA (max)
P
o
Output Power
THD = 1% (max); f = 1kHz
LM4923, R
L =8
Ω
0.375
W
THD+N
Total Harmonic Distortion+Noise
P
o = 0.25Wrms; f = 1kHz
0.02
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
f = 217Hz (Note 8)
85
f = 1kHz (Note 8)
85
73
CMRR
Common-Mode Rejection Ratio
f = 217Hz
V
CM = 200mVpp
50
dB
V
OS
Output Offset
V
IN =0V
4
mV
V
SDIH
Shutdown Voltage Input High
0.8
V
V
SDIL
Shutdown Voltage Input Low
0.6
V
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