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LM388 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM388
Description  LM388 1.5W Audio Power Amplifier
PDF  8 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM388 Fiches technique(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
15V
Package Dissipation 14-Pin DIP (Note 1)
83W
Input Voltage
g
04V
Storage Temperature
b
65 Cto a150 C
Operating Temperature
0 Cto a70 C
Junction Temperature
150 C
Lead Temperature (Soldering 10 sec)
260 C
Thermal Resistance
iJC
30 CW
iJA
79 CW
Electrical Characteristics TA e 25 C (Figure 1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VS
Operating Supply Voltage
412
V
LM388
IQ
Quiescent Current
VIN e 0
16
23
mA
LM388
VS e 12V
POUT
Output Power (Note 2)
R1 e R2 e 180X THD e 10%
LM388N-1
VS e 12V RL e 8X
15
22
W
VS e 6V RL e 4X
06
08
W
AV
Voltage Gain
VS e 12V f e 1 kHz
23
26
30
dB
10 mF from Pins 2 to 6
46
dB
BW
Bandwidth
VS e 12V Pins 2 and 6 Open
300
kHz
THD
Total Harmonic Distortion
VS e 12V RL e 8X POUT e 500 mW
01
1
%
f e 1 kHz Pins 2 and 6 Open
PSRR
Power Supply Rejection Ratio
VS e 12V f e 1 kHz CBYPASS e 10 mF
50
dB
(Note 3)
Pins 2 and 6 Open Referred to Output
RIN
Input Resistance
10
50
kX
IBIAS
Input Bias Current
VS e 12V Pins 7 and 8 Open
250
nA
Note 1
Pins 3 4 5 10 11 12 at 25 C Derate at 15 CW 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 VS (Figure 2) rather than ground (Figure 1) PSRR is typically 30 dB
Typical Performance Characteristics
Ambient Temperature
Maximum Device Dissipation vs
Supply Voltage
Quiescent Supply Current vs
Frequency
(Referred to the Output) vs
Power Supply Rejection Ratio
TLH7846 – 5
2



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