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LM4928 Scheda tecnica(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LM4928
Spiegazioni elettronici  1.2 Watt Stereo Fully Differential Audio Amplifier with RF Suppression and Shutdown Low
PDF  20 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4928 Scheda tecnica(HTML) 4 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 (SD)
50˚C/W
θ
JA (micro SMD)
74˚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
LM4928
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
(Both amplifiers)
4
4
7.5
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND
(Both amplifiers)
0.1
1.0
µA (max)
P
o
Output Power
THD = 1% (max);f=1kHz
LM4928SD, R
L =4
Ω (Note 9)
R
L =8
Ω
1.8
1.2
1.0
W
THD = 10% (max);f=1kHz
LM4928SD, R
L =4
Ω (Note 9)
R
L =8
Ω
2.2
1.5
W
THD+N
Total Harmonic Distortion + Noise
P
o = 1 Wrms; f = 1kHz
0.04
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
f = 217Hz (Note 8)
90
dB
f = 1kHz (Note 8)
90
CMRR
Common-Mode Rejection Ratio
f = 217Hz, V
CM = 200mVpp
70
50
dB (min)
V
OS
Output Offset
V
IN = 0V
4
18
mV (max)
V
SDIH
Shutdown Voltage Input High
1.4
V
V
SDIL
Shutdown Voltage Input Low
0.4
V
SNR
Signal-to-Noise Ratio
P
O = 1W, f = 1kHz
105
dB
T
WU
Wake-up time from Shutdown
Cbypass = 1µF
13
ms
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
LM4928
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
(Both amplifiers)
3.5
3.5
mA
I
SD
Shutdown Current
V
SHUTDOWN = GND
(Both amplifiers)
0.1
1
µA (max)
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