LM1875

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SNAS524A – MAY 2004 – REVISED MAY 2004

Electrical Characteristics

Parameter

Conditions

Typical

Tested Limits

Units

Supply Current

70

100

mA

THD=1%

25

W

0.015

%

0.05

0.4

%

0.022

%

0.07

0.6

%

Offset Voltage

±1

±15

mV

Input Bias Current

±0.2

±2

μA

Input Offset Current

0

±0.5

μA

Gain-Bandwidth Product

5.5

MHz

Open Loop Gain

DC

90

dB

PSRR

95

52

dB

83

52

dB

Max Slew Rate

20W, 8

Ω, 70 kHz BW

8

V/

μs

Current Limit

4

3

A

Equivalent Input Noise Voltage

3

μVrms

(1)

Assumes the use of a heat sink having a thermal resistance of 1°C/W and no insulator with an ambient temperature of 25°C. Because

the output limiting circuitry has a negative temperature coefficient, the maximum output power delivered to a 4

Ω load may be slightly

reduced when the tab temperature exceeds 55°C.

Typical Applications For Single Supply Operation

Figure 2.

Copyright © 2004, Texas Instruments Incorporated

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