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LM4992SD Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LM4992SD
Spiegazioni elettronici  420mW Stereo Cell Phone Audio Amplifier
Download  16 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4992SD Scheda tecnica(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 (Note 10)
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Notes 3, 11)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150˚C
Thermal Resistance
θ
JA (LLP)
103˚C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
2.2V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4992
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
6
14
mA (max)
V
IN = 0V, Io = 0A, 8
Ω Load
7
18
mA (max)
I
SD
Shutdown Current
V
SD =VGND
1.4
3
µA (max)
V
SDIH
Shutdown Voltage Input High
1.5
V
V
SDIL
Shutdown Voltage Input Low
1.3
V
V
OS
Output Offset Voltage
7
30
mV (max)
P
o
Output Power
THD = 1% (max);f=1 kHz, per
channel
1.07
0.9
W (min)
T
WU
Wake-up time
100
ms
THD+N
Total Harmonic Distortion+Noise
P
o = 0.5 Wrms; f = 1kHz
0.15
%
Xtalk
Crosstalk
80
dB
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
60 (f =
217Hz)
64 (f = 1kHz)
55
dB (min)
Electrical Characteristics V
DD = 3.3V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4992
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A, No Load
4
12
mA (max)
V
IN = 0V, Io = 0A, 8
Ω Load
5
15
mA (max)
I
SD
Shutdown Current
V
SD =VGND
0.2
2.0
µA (max)
V
SDIH
Shutdown Voltage Input High
1.2
V
V
SDIL
Shutdown Voltage Input Low
1.0
V
V
OS
Output Offset Voltage
7
30
mV (max)
P
o
Output Power
THD = 1% (max);f=1 kHz, per
channel
420
mW (min)
T
WU
Wake-up time
75
ms
THD+N
Total Harmonic Distortion+Noise
P
o = 0.25 Wrms; f = 1kHz
0.1
%
Xtalk
Crosstalk
80
dB
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
Input terminated with 10
65 (f =
217Hz)
70 (f = 1kHz)
55
dB (min)
www.national.com
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