LM4780TA National Semiconductor, LM4780TA Datasheet - Page 24

• 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

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Bill Of Materials For Reference Pcb
C
C
J
R
C
S1
S4
R
C
3
R
C
C
J
Symbol
R
SN1
, J
C
SN1
R
IN1
IN1
4
, C
, C
N1
J
B1
F1
S7
i1
, J
i1
R
R
1
5
U
S
, R
, C
, R
, R
, R
, R
, C
, C
, C
, C
, J
, J
S2
S5
M
7
G
1
1
, J
, C
, C
2
6
SN2
i2
IN2
B2
F2
i2
IN2
SN2
N2
S8
, J
,
8
S3
S6
,
9
1,000µF
Value
0.1µF
0.1µF
15kΩ
20kΩ
10kΩ
68µF
15pF
10µF
2.7Ω
2.7Ω
1kΩ
1kΩ
1µF
Tolerance
10%
20%
20%
20%
20%
20%
20%
5%
1%
1%
1%
5%
5%
5%
24
with push lever release or LM4780
Non-Switched PC Mount RCA
27 lead TO-220 Power Socket
PCB Banana Jack - BLACK
PCB Banana Jack - RED
Metallized Polyester Film
Electrolytic Radial / 50V
Electrolytic Radial / 50V
Electrolytic Radial / 50V
SPDT (on-on) Switch
Monolithic Ceramic
Monolithic Ceramic
Monolithic Ceramic
Type/Description
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
Jack
IC
Comment