Datasheet > LM4995_15

LM4995_15

更新时间： 2022-02-26 10:57:53

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1.3 W Audio Power Amplifier

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LM4995_15 数据手册

LM4995, LM4995TMBD

www.ti.com

SNAS329G –APRIL 2006–REVISED APRIL 2013

ABSOLUTE MAXIMUM RATINGS⁽¹⁾⁽²⁾

Supply Voltage⁽³⁾

6.0V

−65°C to +150°C

−0.3V to V_DD+0.3V

Internally Limited

2000V

Storage Temperature

Input Voltage

Power Dissipation⁽⁴⁾⁽⁵⁾

ESD Susceptibility⁽⁶⁾

ESD Susceptibility⁽⁷⁾

200V

Junction Temperature

150°C

Thermal Resistance

θ_JA(DSBGA)

θ_JA(WSON)

96.5°C/W

56°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 ensure for parameters where no limit is given, however, the typical value is a good indication

of device performance.

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

specifications.

(3) If the product is in Shutdown mode and V_DDexceeds 6V (to a max of 8V V_DD), then most of the excess current will flow through the

ESD protection circuits. If the source impedance limits the current to a max of 10mA, then the device will be protected. If the device is

enabled when V_DDis greater than 5.5V and less than 6.5V, no damage will occur, although operation life will be reduced. Operation

above 6.5V with no current limit will result in permanent damage.

(4) The maximum power dissipation must be derated at elevated temperatures and is dictated by T_JMAX, θ_JA, and the ambient temperature

T_A. The maximum allowable power dissipation is P_DMAX= (T_JMAX–T_A)/θ_JAor the number given in Absolute Maximum Ratings, whichever

is lower. For the LM4995, see power derating curves for additional information.

(5) Maximum power dissipation in the device (P_DMAX) occurs at an output power level significantly below full output power. P_DMAXcan be

calculated using Equation 1 shown in the APPLICATION INFORMATION section. It may also be obtained from the power dissipation

graphs.

(6) Human body model, 100pF discharged through a 1.5kΩ resistor.

(7) Machine Model, 220pF–240pF discharged through all pins.

OPERATING RATINGS

Temperature Range (T_MIN≤ T_A≤ T_MAX

)

−40°C ≤ T_A≤ 85°C

2.4V ≤ V_DD≤ 5.5V

Supply Voltage

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