LM4947TL National Semiconductor, LM4947TL Datasheet - Page 24

• 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

Output Power vs Supply Voltage
Output Power vs Supply Voltage
= 32Ω, Mode 7, OCL
= 32Ω, Mode 7, SE
R
R
L
L
20173590
20173591
Efficiency vs Output Power
Efficiency vs Output Power
= 8Ω, Mode 1, 3, 5, BTL
= 8Ω, Mode 1, 3, 5, BTL
V
= 3.3V, R
V
= 5V, R
DD
L
DD
L
20173513
201735c6
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