LM391 National Semiconductor Corporation, LM391 Datasheet - Page 2

• Manufacturer Part Number: LM391
• Description: Audio Power Driver (discontinued)
• Manufacturer: National Semiconductor Corporation

Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
Input Voltage
Shutdown Current (Pin 14)
Electrical Characteristics
Note 1 For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance
of 90 C W junction to ambient
Typical Applications
Quiescent Current
Output Swing
Drive Current
Noise (20 Hz –20 kHz)
Supply Rejection
Total Harmonic Distortion
Intermodulation Distortion
Open Loop Gain
Input Bias Current
Input Offset Voltage
Positive Current Limit V
Negative Current Limit V
Positive Current Limit Bias Current
Negative Current Limit Bias Current
Pin 14 Current Comments
LM391N-100
LM391N-100
Minimum pin 14 current required for shutdown is 0 5 mA and must not exceed 1 mA
Maximum pin 14 current for amplifier not shut down is 0 05 mA
The typical shutdown switch point current is 0 2 mA
Parameter
FIGURE 1 LM391 with External Components Protection Circuitry Not Shown
BE
BE
Supply Voltage less 5V
g
T
A
50V or
Current in Pin 15
V
Positive
Negative
Source (Pin 8)
Sink (Pin 5)
Input Referred
Input Referred
f
f
60 Hz 7 kHz 4 1
f
Pin 10–9
Pin 9–13
Pin 10
Pin 13
e
e
e
e
IN
Conditions
25 C (The following are for V
e
1 kHz
20 kHz
1 kHz
a
0
100V
1 mA
2
Package Dissipation (Note 1)
Storage Temperature
Operating Temperature
Lead Temp (Soldering 10 sec )
Thermal Resistance
JC
JA
V
V
b
1000
a
Min
70
5
5
b
a
a
7
7
e
90% V
V
V
a
b
5500
a
0 01
0 10
0 01
Typ
650
650
0 1
MAX
90
10
10
5
3
5
b
a
5
5
and V
b
e
Max
0 25
100
100
1 0
TL H 7146– 3
20
90% V
6
b
65 C to
0 C to
b
MAX
a
20 C W
63 C W
a
Units
1 39W
V V
150 C
260 C
)
mA
mA
mA
mV
mV
mV
dB
%
%
%
V
V
70 C
V
A
A
A