LM4947TL National Semiconductor, LM4947TL Datasheet - Page 14

• 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

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V
V
V
DD
DD
DD
= 3.3V, R
= 3.3V, R
= 3.3V, R
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
Diff In, Mode 1
Diff In, Mode 3
Mode 2, SE
L
L
L
= 8Ω, P
= 8Ω, P
= 32Ω, P
O
O
O
= 250mW
= 250mW
= 12mW
20173525
20173527
20173529
14
V
V
V
DD
DD
DD
= 3.3V, R
= 3.3V, R
= 3.3V, R
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
Mode 4,7, OCL
Diff In, Mode 5
Mode 2, OCL
L
L
L
= 8Ω, P
= 32Ω, P
= 32Ω, P
O
O
O
= 250mW
= 12mW
= 12mW
20173526
20173528
20173530