LM388 National Semiconductor, LM388 Datasheet - Page 2

• Manufacturer Part Number: LM388
• Description: LM388 1.5W Audio Power Amplifier
• Manufacturer: National Semiconductor

Symbol
V
I
P
A
BW
THD
PSRR
R
I
Absolute Maximum Ratings
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please contact the National Semiconductor Sales
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Supply Voltage
Package Dissipation 14-Pin DIP (Note 1)
Input Voltage
Storage Temperature
Electrical Characteristics
Note 1 Pins 3 4 5 10 11 12 at 25 C Derate at 15 C W above 25 C case
Note 2 The amplifier should be in high gain for full swing on higher supplies due to input voltage limitations
Note 3 If load and bypass capacitor are returned to V
Typical Performance Characteristics
Q
BIAS
S
OUT
V
IN
Maximum Device Dissipation vs
Ambient Temperature
Operating Supply Voltage
Quiescent Current
Output Power (Note 2)
Voltage Gain
Bandwidth
Total Harmonic Distortion
Power Supply Rejection Ratio
(Note 3)
Input Resistance
Input Bias Current
LM388
LM388
LM388N-1
Parameter
b
T
65 C to
S
A
(Figure 2) rather than ground (Figure 1) PSRR is typically 30 dB
e
V
V
R1
V
V
V
10 F from Pins 2 to 6
V
V
f
V
Pins 2 and 6 Open Referred to Output
V
25 C (Figure 1)
IN
S
S
S
S
S
S
e
S
S
e
e
e
e
e
e
e
e
e
a
e
1 kHz Pins 2 and 6 Open
Quiescent Supply Current vs
Supply Voltage
g
150 C
12V
12V R
6V R
12V f
12V Pins 2 and 6 Open
12V R
12V f
12V Pins 7 and 8 Open
R2
0
8 3W
0 4V
15V
e
L
180
e
e
L
L
e
e
e
Conditions
1 kHz
1 kHz C
2
4
8
8
THD
Operating Temperature
Junction Temperature
Lead Temperature (Soldering 10 sec )
Thermal Resistance
P
OUT
JC
JA
BYPASS
e
10%
e
500 mW
e
10 F
Power Supply Rejection Ratio
(Referred to the Output) vs
Frequency
Min
1 5
0 6
23
10
4
Typ
300
250
2 2
0 8
0 1
16
26
46
50
50
Max
0 C to
12
23
30
1
TL H 7846 – 5
30 C W
79 C W
a
150 C
260 C
Units
70 C
kHz
mA
dB
dB
dB
k
nA
W
W
%
V