LM2876TF datasheet(3/19 Pages) NSC

3 / 19 page

Absolute Maximum Ratings (Notes 4, 5)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage |V

+|+|V−| (No Signal)

72V

Supply Voltage |V

+|+|V−| (Input Signal)

70V

Common Mode Input Voltage

+ or V−) and

+|+|V−|

≤ 60V

Differential Input Voltage

60V

Output Current

Internally Limited

Power Dissipation (Note 6)

125W

ESD Susceptibility (Note 7)

3000V

Junction Temperature (Note 8)

150˚C

Soldering Information

T Package (10 seconds)

260˚C

Storage Temperature

−40˚C to +150˚C

Thermal Resistance

1˚C/W

43˚C/W

Operating Ratings (Notes 4, 5)

Temperature Range

MIN ≤ TA ≤ TMAX

−20˚C

≤ T

A ≤ +85˚C

Supply Voltage |V

+|+|V−|

20V to 60V

Note 1: Operation is guaranteed up to 60V, however, distortion may be intro-

duced from SPiKe Protection Circuitry if proper thermal considerations are

not taken into account. Refer to the Thermal Considerations section for

more information.

(See SPiKe Protection Response)

Electrical Characteristics (Notes 4, 5)

The following specifications apply for V

+ = +30V, V− = −30V, I

MUTE = −0.5 mA with RL = 8Ω unless otherwise specified. Limits

apply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM2876

Units

(Limits)

Typical

Limit

(Note 9) (Note 10)

+|+|V−|

Power Supply Voltage (Note 13)

pin7 −V

−

≥ 9V

V (min)

V (max)

Mute Attenuation

Pin 8 Open or at 0V, Mute: On

Current out of Pin 8 > 0.5 mA,

115

dB (min)

Mute: Off

(Note 3)

Output Power (Continuous Average)

THD + N = 0.1% (max)

W (min)

f = 1 kHz; f = 20 kHz

Peak P

Instantaneous Peak Output Power

THD + N

Total Harmonic Distortion Plus Noise

25W, 20 Hz

≤ f ≤ 20 kHz

0.06

V = 26 dB

(Note 3)

Slew Rate (Note 12)

IN = 1.2 Vrms, f = 10 kHz,

V/µs

(min)

Square-Wave, R

L = 2kΩ

+ (Note 2)

Total Quiescent Power Supply Current

CM = 0V, Vo = 0V, Io = 0A

mA (max)

(Note 2)

Input Offset Voltage

CM = 0V, Io = 0 mA

mV (max)

Input Bias Current

CM = 0V, Io = 0 mA

0.2

µA (max)

Input Offset Current

CM = 0V, Io = 0 mA

0.01

0.2

µA (max)

Output Current Limit

+| = |V−| = 10V, t

ON = 10 ms, VO = 0V

A (min)

(Note 2)

Output Dropout Voltage (Note 14)

+–V

O|, V

+ = 20V, I

o = +100 mA

1.5

V (max)

O–V

−|, V− = −20V, I

o = −100 mA

2.5

V (max)

PSRR

(Note 2)

Power Supply Rejection Ratio

+ = 30V to 10V, V− = −30V,

125

dB (min)

CM = 0V, Io = 0mA

+ = 30V, V− = −30V to −10V,

110

dB (min)

CM = 0V, Io = 0mA

CMRR

(Note 2)

Common Mode Rejection Ratio

+ = 50V to 10V, V− = −10V to −50V,

110

dB (min)

CM = 20V to −20V, Io = 0mA

VOL

(Note 2)

Open Loop Voltage Gain

+| = |V−| = 30V, R

L = 2kΩ, ∆VO = 40V

115

dB (min)

GBWP

Gain-Bandwidth Product

+| = |V−| = 30V

MHz

(min)

O = 100 kHz, VIN = 50 mVrms

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