LM4947TL National Semiconductor, LM4947TL Datasheet - Page 21

• Manufacturer Part Number: LM4947TL
• Manufacturer: National Semiconductor

Specifications of LM4947TL

• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 76dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.2/2.7V
• Dual Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 25
• Package Type: uSMD
• Lead Free Status / Rohs Status: Not Compliant

Power Dissipation vs Output Power
Power Dissipation vs Output Power
Power Dissipation vs Output Power
V
V
V
DD
DD
DD
= 3.3V, R
= 5V, R
= 5V, R
Mode 2, 4, 6, OCL
Mode 2, 4, 6, SE
Mode 7, SE
L
L
L
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
20173598
201735c1
201735b8
21
Power Dissipation vs Output Power
Power Dissipation vs Output Power
Power Dissipation vs Output Power
V
V
V
DD
DD
DD
Mode 1, 3, 5, MONO
= 5V, R
= 5V, R
= 5V, R
Mode 2, 4, 6, SE
Mode 7, OCL
L
L
L
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
= 8Ω, f = 1kHz
201735c0
201735b9
201735b7
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