LM4781TA National Semiconductor, LM4781TA Datasheet - Page 25

• Manufacturer Part Number: LM4781TA
• Description: Audio Power Amplifier IC
• Manufacturer: National Semiconductor

Specifications of LM4781TA

• Amplifier Case Style: TO-220
• Peak Reflow Compatible (260 C): No
• Termination Type: Through Hole
• Supply Voltage Max: 56V
• Leaded Process Compatible: No
• Package / Case: 27-TO-220
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 3-Channel Stereo
• Output Power (typ): 35x3@8OhmW
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 10@±28VmV
• Input Bias Current: 1uA
• Total Harmonic Distortion: 0.2@8Ohm@20W%
• Single Supply Voltage (typ): 18V
• Dual Supply Voltage (typ): ±12/±15/±18/±24/±28V
• Power Supply Requirement: Single/Dual
• Power Dissipation: 125W
• Unity Gain Bandwidth Product (typ): 8MHz
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 125dB
• Single Supply Voltage (min): 20V
• Single Supply Voltage (max): 70V
• Dual Supply Voltage (min): ±10V
• Dual Supply Voltage (max): ±35V
• Operating Temp Range: -20C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 27 +Tab
• Package Type: TO-220
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL
COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
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systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
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Non-Isolated TO-220 27-Lead Package
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NS Package Number TA27A
Order Number LM4781TA
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