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LM4893MA Datasheet

  • LM4893MA

  • National Semiconductor [1.1 Watt Audio Power Amplifier]

  • 700.35KB

  • NSC

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LM4893
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 9)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
6.0V
鈭?5藲C to +150藲C
鈭?.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150藲C
胃
JA
(TLA09AAA)
胃
JC
(MUB10A)
胃
JA
(MUB10A)
胃
JC
(M08A)
胃
JA
(M08A)
180藲C/W (Note 10)
56藲C/W
190藲C/W
35藲C/W
150藲C/W
Operating Ratings
Temperature Range
T
MIN
鈮?/div>
T
A
鈮?/div>
T
MAX
Supply Voltage
鈭?0藲C
鈮?/div>
T
A
鈮?/div>
85藲C
2.2V
鈮?/div>
V
DD
鈮?/div>
5.5V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25藲C.
LM4893
Symbol
I
DD
I
SD
V
OS
P
o
THD+N
Parameter
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
THD = 1% (max); f = 1kHz
P
o
= 0.4Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0碌F
Input terminated with 10鈩?to
ground
Conditions
V
IN
= 0V, 8鈩?BTL
V
shutdown
= GND
Typical
(Note 6)
5
0.1
5
1.1
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
10
2.0
40
0.9
Units
(Limits)
mA (max)
碌A (max)
mV (max)
W (min)
%
Electrical Characteristics V
DD
= 5V
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
A-Weighted; Measured across 8鈩?/div>
BTL
Input terminated with 10鈩?to
ground
1.4
0.4
V (min)
V (max)
N
OUT
Output Noise
26
碌V
RMS
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25藲C.
LM4893
Symbol
I
DD
I
SD
V
OS
P
o
THD+N
Parameter
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
THD = 1% (max); f = 1kHz
P
o
= 0.15Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0碌F
Input terminated with 10鈩?to
ground
Conditions
V
IN
= 0V, 8鈩?BTL
V
shutdown
= GND
Typical
(Note 6)
4.5
0.1
5
350
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
9
2.0
40
320
Units
(Limits)
mA (max)
碌A (max)
mV (max)
mW
%
Electrical Characteristics V
DD
= 3.0V
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
3
www.national.com

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