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LM4954 Datenblatt(PDF) 3 Page - Texas Instruments

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Teilenummer LM4954
Bauteilbeschribung  Audio Power Amplifier Series High Voltage 3 Watt Audio Power Amplifier
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM4954
www.ti.com
SNAS292B – JUNE 2005 – REVISED APRIL 2013
Absolute Maximum Ratings
(1) (2) (3)
Supply Voltage(1)
9.5V
Storage Temperature
−65°C to +150°C
Input Voltage
−0.3V to VDD +0.3V
Power Dissipation(4)
Internally Limited
ESD Susceptibility(5)
2000V
ESD Susceptibility(6)
200V
Junction Temperature
150°C
Thermal Resistance
θJA (DSBGA)
(7)
180°C/W
Soldering Information See AN-112 (SNAA002) “DSBGA Wafers Level Chip Scale Package.”
(1)
All voltages are measured with respect to the ground pin, 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 ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(3)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(4)
The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature
TA. The maximum allowable power dissipation is PDMAX = (TJMAX – TA) / θJA or the number given in Absolute Maximum Ratings,
whichever is lower. For the LM4954, see power derating curves for additional information.
(5)
Human body model, 100pF discharged through a 1.5k
Ω resistor.
(6)
Machine Model, 220pF – 240pF discharged through all pins.
(7)
All bumps have the same thermal resistance and contribute equally when used to lower thermal resistance. The
θJA given in the
Absolute Maximum Ratings section under Thermal Resistance is for the ITL package without any heat spreading planes on the PCB.
Operating Ratings
(1) (2)
Temperature Range
TMIN ≤ TA ≤ TMAX
−40°C ≤ TA ≤ 85°C
Supply Voltage
2.7V
≤ VDD ≤ 9V
(1)
All voltages are measured with respect to the ground pin, 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 ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
Copyright © 2005–2013, Texas Instruments Incorporated
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