LM384

SNAS547C – FEBRUARY 1995 – REVISED APRIL 2013

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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

1.3A

Power Dissipation(3)(4)

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

θJC

30°C/W

θJA

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

Conditions

Min

Typ

Max

Units

ZIN

Input Resistance

150

k

Ω

IBIAS

Bias Current

Inputs Floating

100

nA

AV

Gain

40

50

60

V/V

POUT

Output Power

THD = 10%, RL = 8Ω

5

5.5

W

IQ

Quiescent Supply Current

8.5

25

mA

VOUT Q

Quiescent Output Voltage

11

V

BW

Bandwidth

POUT = 2W, RL = 8Ω

450

kHz

V+

Supply Voltage

12

26

V

ISC

Short Circuit Current(2)

1.3

A

PSRRRTO

Power Supply Rejection Ratio(3)

31

dB

THD

Total Harmonic Distortion

POUT = 4W, RL = 8Ω

0.25

1.0

%

(1)

V+ = 22V and TA = 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 CBYPASS = 5 μF, freq = 120 Hz.

2

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