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LM1896 Datasheet

  • LM1896

  • National Semiconductor [LM1896/LM2896 Dual Audio Power Ampl...

  • NSC

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Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
LM1896
LM2896
Operating Temperature (Note 1)
Storage Temperature
V
S
e
12V
V
S
e
18V
0 C to
a
70 C
b
65 C to
a
150 C
Junction Temperature
Lead Temperature (Soldering 10 sec )
Thermal Resistance
i
JC
(DIP)
i
JA
(DIP)
i
JC
(SIP)
i
JA
(SIP)
150 C
260 C
30
137
10
55
C
C
C
C
W
W
W
W
Electrical Characteristics
Unless otherwise specified T
A
e
25 C A
V
e
200 (46 dB) For the LM1896 V
S
e
6V and R
L
e
4X For LM2896
T
TAB
e
25 C V
S
e
12V and R
L
e
8X Test circuit shown in
Figure 2
Parameter
Supply Current
Operating Supply Voltage
Output Power
LM1896N-1
LM1896N-2
LM2896P-1
LM2896P-2
THD
e
10% f
e
1 kHz
V
S
e
6V R
L
e
4X Dual Mode
V
S
e
6V R
L
e
8X Bridge Mode
V
S
e
9V R
L
e
8X Dual Mode
V
S
e
12V R
L
e
8X Dual Mode
V
S
e
12V R
L
e
8X Bridge Mode
V
S
e
9V R
L
e
4X Bridge Mode
V
S
e
9V R
L
e
4X Dual Mode
f
e
1 kHz
P
o
e
50 mW
P
o
e
0 5W
P
o
e
1W
C
BY
e
100
mF
f
e
1 kHz C
IN
e
0 1
mF
Output Referred V
RIPPLE
e
250 mV
C
BY
e
100
mF
f
e
1 kHz C
IN
e
0 1
mF
Output Referred
Equivalent Input Noise R
S
e
0
C
IN
e
0 1
mF
BW
e
20
b
20 kHz
CCIR ARM
Wideband
28
50
b
40
b
50
Conditions
Min
P
o
e
0W Dual Mode
3
LM1896
Typ
15
Max
25
10
11
18
13
3
Min
LM2896
Typ
25
Max
40
15
Units
mA
V
W ch
W
W ch
W ch
W
W
W ch
%
%
%
dB
dB
(
*
09
T
A
e
25 C
21
20
72
25
90
78
25
0 09
0 11
0 14
b
40
b
50
b
54
b
64
T
TAB
e
25 C
Distortion
0 09
0 11
Power Supply Rejection
Ratio (PSRR)
Channel Separation
Noise
b
54
b
64
14
14
20
3
100
5
32
350
56
50
14
14
20
6
100
5
20
10
120
20
64
350
mV
mV
mV
V
kX
mV
mV
nA
DC Output Level
Input Impedance
Input Offset Voltage
Voltage Difference
between Outputs
Input Bias Current
LM1896N-2 LM2896P-2
10
120
Note 1
For operation at ambient temperature greater than 25 C the LM1896 LM2896 must be derated based on a maximum 150 C junction temperature using a
thermal resistance which depends upon mounting techniques
2

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