LM4780TA National Semiconductor, LM4780TA Datasheet - Page 13

• Manufacturer Part Number: LM4780TA
• Description: Audio Power Amplifier IC
• Manufacturer: National Semiconductor

Specifications of LM4780TA

• Amplifier Case Style: TO-220
• Peak Reflow Compatible (260 C): No
• Termination Type: Through Hole
• Leaded Process Compatible: No
• Package / Case: 27-TO-220
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Output Power (typ): 120x1/60x2@8OhmW
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 10mV
• Input Bias Current: 1uA
• Total Harmonic Distortion: 0.03@4Ohm@30W%
• 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: 120dB
• Single Supply Voltage (min): 20V
• Single Supply Voltage (max): 84V
• Dual Supply Voltage (min): ±10V
• Dual Supply Voltage (max): ±42V
• 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

Common Mode
Open Loop
Rejection Ratio
Frequency Response
200586d0
200586c9
Clipping Voltage
Clipping Voltage
vs Supply Voltage
vs Supply Voltage
200586d1
200586d2
THD+N vs Frequency
THD+N vs Frequency
± 25V, P
= 1W & 50W
± 35V, P
= 1W & 50W
OUT
OUT
= 8Ω, 80kHz BW
= 4Ω, 80kHz BW
Bridge Mode (Note 18), R
Parallel Mode (Note 19), R
L
L
200586e6
200586e7
13
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