LM4780TASLASHNOPB datasheet(4/31 Pages) TI1

4 / 31 page

LM4780, LM4780TABD

SNAS193B – JULY 2003 – REVISED APRIL 2013

www.ti.com

Absolute Maximum Ratings

(1) (2) (3)

Supply Voltage |V+| + |V-| (No Signal)

94V

Supply Voltage |V+| + |V-| (Input Signal)

84V

Common Mode Input Voltage

(V+ or V-) and |V+| + |V-|

≤ 80V

Differential Input Voltage(4)

60V

Output Current

Internally Limited

Power Dissipation(5)

125W

ESD Susceptability(6)

3.0kV

ESD Susceptability(7)

200V

Junction Temperature (TJMAX)

(8)

150°C

Soldering Information

TA Package (10 seconds)

260°C

Storage Temperature

-40°C to +150°C

θJA

30°C/W

Thermal Resistance

θJC

0.8°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. Electrical Characteristics state DC and AC electrical

specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the

Operating Ratings. Specifications are not specified for parameters where no limit is given; however, the typical value is a good indication

of device performance.

(2)

All voltages are measured with respect to the ground pins, unless otherwise specified.

(3)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and

specifications.

(4)

The Differential Input Voltage Absolute Maximum Rating is based on supply voltages V+ = 40V and V-= - 40V.

(5)

The maximum power dissipation must be de-rated at elevated temperatures and is dictated by TJMAX, θJC, and the ambient temperature

TA. The maximum allowable power dissipation is PDMAX = (TJMAX -TA) / θJC or the number given in the Absolute Maximum Ratings,

whichever is lower. For the LM4780, TJMAX = 150°C and the typical θJC is 0.8°C/W. Refer to the THERMAL PROTECTION section for

more information.

(6)

Human body model, 100pF discharged through a 1.5k

Ω resistor.

(7)

Machine Model: a 220pF - 240pF discharged through all pins.

(8)

The maximum operating junction temperature is 150°C. However, the instantaneous Safe Operating Area temperature is 250°C.

Operating Ratings

(1) (2) (3)

Temperature Range

TMIN ≤ TA ≤ TMAX

−20°C ≤ TA ≤ +85°C

Supply Voltage |V+| + |V-|

20V

≤ VTOTAL ≤ 84V

(1)

All voltages are measured with respect to the ground pins, unless otherwise specified.

(2)

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. Electrical Characteristics state DC and AC electrical

specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the

Operating Ratings. Specifications are not specified for parameters where no limit is given; however, the typical value is a good indication

of device performance.

(3)

Operation is specified up to 84V; however, distortion may be introduced from SPiKe protection circuitry if proper thermal considerations

are not taken into account. Refer to the THERMAL PROTECTION section for more information.

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