LM384N Datasheet, PDF (2/11 Pages) Texas Instruments – LM384 5W Audio Power Amplifier

LM384
SNAS547C – FEBRUARY 1995 – REVISED APRIL 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings⁽¹⁾⁽²⁾
Supply Voltage
28V
Peak Current
Power Dissipation⁽³⁾⁽⁴⁾
1.3A
1.67W
Input Voltage
±0.5V
Storage Temperature
−65°C to +150°C
Operating Temperature
0°C to +70°C
Lead Temperature (Soldering, 10 sec.)
260°C
Thermal Resistance
θ_JC
θ_JA
30°C/W
79°C/W
(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 ensure specific performance limits.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3) The maximum junction temperature of the LM384 is 150°C.
(4) The package is to be derated at 15°C/W junction to heat sink pins.
Electrical Characteristics⁽¹⁾
Symbol
Parameter
Z_IN
I_BIAS
A_V
P_OUT
I_Q
V_{OUT Q}
BW
V⁺
I_SC
PSRR_RTO
THD
Input Resistance
Bias Current
Gain
Output Power
Quiescent Supply Current
Quiescent Output Voltage
Bandwidth
Supply Voltage
Short Circuit Current⁽²⁾
Power Supply Rejection Ratio⁽³⁾
Total Harmonic Distortion
Conditions
Inputs Floating
THD = 10%, R_L = 8Ω
P_OUT = 2W, R_L = 8Ω
P_OUT = 4W, R_L = 8Ω
Min
Typ
Max
Units
150
kΩ
100
nA
40
50
60
V/V
5
5.5
W
8.5
25
mA
11
V
450
kHz
12
26
V
1.3
A
31
dB
0.25
1.0
%
(1) V⁺ = 22V and T_A = 25°C operating with a Staver V7 heat sink for 30 seconds.
(2) Output is fully protected against a shorted speaker condition at all voltages up to 22V.
(3) Rejection ratio referred to the output with C_BYPASS = 5 μF, freq = 120 Hz.
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