LM380N National Semiconductor, LM380N Datasheet - Page 3

• Manufacturer Part Number: LM380N
• Description: Audio Amp Speaker 1-CH Mono 2.5W Class-AB 14-Pin MDIP Rail
• Manufacturer: National Semiconductor

Specifications of LM380N

• Package: 14MDIP
• Function: Speaker
• Amplifier Type: Class-AB
• Input Signal Type: Differential
• Typical Voltage Gain: 33.98 dB
• Total Harmonic Distortion Noise: 0.2@8Ohm %
• Typical Psrr: 38 dB
• Maximum Input Bias Current: 0.1(Typ)@18V uA
• Maximum Load Resistance: 8 Ohm
• Output Type: 1-Channel Mono
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 2.5W
• Supply Voltage Range: 10V To 22V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Amplifier Case Style: DIP
• Rohs Compliant: No

P
A
V
Z
THD
PSRR
V
BW
I
V
I
I
Q
BIAS
SC
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
OUT(RMS)
V
OUT
S
OUTQ
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits.
Note 2: V
Note 3: Rejection ratio referred to the output with C
Note 4: With device Pins 3, 4, 5, 10, 11, 12 soldered into a 1/16" epoxy glass board with 2 ounce copper foil with a minimum surface of 6 square inches.
Note 5: C
Note 6: The maximum junction temperature of the LM380 is 150˚C.
Note 7: The package is to be derated at 15˚C/W junction to heat sink pins for 14-pin pkg; 75˚C/W for 8-pin.
Supply Voltage
Peak Current
Package Dissipation 14-Pin DIP (Note
7)
Package Dissipation 8-Pin DIP (Note 7)
Input Voltage
Storage Temperature
Symbol
S
BYPASS
= 18V and T
Output Power
Gain
Output Voltage Swing
Input Resistance
Total Harmonic Distortion
Power Supply Rejection Ratio
Supply Voltage
Bandwidth
Quiescent Supply Current
Quiescent Output Voltage
Bias Current
Short Circuit Current
= 0.47 µfd on Pin 1.
A
= 25˚C unless otherwise specified.
Parameter
BYPASS
(Note 2)
(Note 1)
= 5 µF.
−65˚C to
+150˚C
R
R
(Notes 5, 6)
(Note 3)
P
Inputs Floating
1.67W
±
OUT
L
L
8.3W
1.3A
0.5V
22V
= 8Ω, THD = 3% (Notes 4, 5)
= 8Ω
= 2W, R
3
Conditions
L
= 8Ω
Operating Temperature
Junction Temperature
Lead Temperature (Soldering, 10 sec.)
ESD rating to be determined
Thermal Resistance
θ
θ
θ
θ
JC
JC
JA
JA
(14-Pin DIP)
(8-Pin DIP)
(14-Pin DIP)
(8-Pin DIP)
Min
2.5
40
10
8
150k
100k
Typ
100
0.2
9.0
1.3
50
14
38
7
Max
60
22
25
10
0˚C to +70˚C
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107˚C/W
30˚C/W
37˚C/W
79˚C/W
+150˚C
+260˚C
Units
V
V/V
mA
dB
Hz
nA
W
%
Ω
V
V
A
p-p