LM4947TL National Semiconductor, LM4947TL Datasheet - Page 11

• 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

Typical Performance Characteristics
V
DD
V
V
= 3.3V, R
DD
DD
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
= 3.3V, R
Mode 1, MONO
Mode 5, MONO
Mode 2, SE
L
= 32Ω, f = 1kHz, Diff In
L
L
= 8Ω, f = 1kHz
= 8Ω, f = 1kHz
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V
V
DD
DD
V
= 3.3V, R
= 3.3V, R
DD
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
Mode 3, MONO
Mode 2, OCL
Mode 4, OCL
L
L
= 32Ω, f = 1kHz, Diff In
= 32Ω, f = 1kHz, Diff In
L
= 8Ω, f = 1kHz
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