LM4950TS National Semiconductor, LM4950TS Datasheet - Page 7

• Manufacturer Part Number: LM4950TS
• Description: Audio Power Amplifier IC
• Manufacturer: National Semiconductor

Specifications of LM4950TS

• Amplifier Case Style: TO-220
• No. Of Pins: 9
• Peak Reflow Compatible (260 C): No
• Termination Type: Through Hole
• Leaded Process Compatible: No
• Package / Case: 9-TO-220
• Operational Class: Class-AB
• Audio Amplifier Function: Speaker
• Input Offset Voltage: 30@12VmV
• Total Harmonic Distortion: 0.05@4Ohm@2.5W%
• Single Supply Voltage (typ): 12/15V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 70dB
• Single Supply Voltage (min): 9.6V
• Single Supply Voltage (max): 16V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 9 +Tab
• Package Type: TO-263
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Characteristics
both channels driven and loaded (average shown),
both channels driven and loaded (average shown),
both channels driven and loaded (average shown),
V
DD
V
V
= 12V, R
DD
DD
= 12V, R
= 12V, R
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
L
= 8Ω, SE operation, A
f
f
f
L
L
IN
IN
IN
= 16Ω, SE operation,
= 4Ω, SE operation,
= 1kHz
= 1kHz
= 1kHz
200470D9
200470C6
200470E1
V
= 10
7
(Continued)
both channels driven and loaded (average shown),
both channels driven and loaded (average shown),
at (from top to bottom at 12V): THD+N = 10%
V
DD
Output Power vs Power Supply Voltage
V
= 12V, R
DD
THD+N = 1%, THD+N = 0.2%
= 12V, R
R
THD+N vs Output Power
THD+N vs Output Power
L
= 8Ω, BTL, f
L
= 4Ω, SE operation, A
f
f
L
IN
IN
= 8Ω, SE operation,
= 1kHz
= 1kHz
IN
= 1kHz,
200470C3
200470C7
200470E0
V
= 10
www.national.com