LM4954TLX National Semiconductor, LM4954TLX Datasheet - Page 9

• Manufacturer Part Number: LM4954TLX
• Manufacturer: National Semiconductor

Specifications of LM4954TLX

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.2x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.1@8Ohm@600mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 9V
• 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
• Package Type: uSMD
• Lead Free Status / RoHS Status: Not Compliant

Typical Performance Characteristics
Shutdown Threshold vs Supply Voltage
Power Dissipation vs Output Power
Power Dissipation vs Output Power
R
L
THD+N ≤ 1%, 80kHz BW
THD+N ≤ 1%, 80kHz BW
= 8Ω, A
V
V
DD
DD
= 7V, A
= 3V, A
V
= 6dB, 80kHz BW
V
V
= 6dB,
= 6dB,
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Power Dissipation vs Output Power
Supply Current vs Supply Voltage
Power Derating – 9 bump µSMD
P
THD+N ≤ 1%, 80kHz BW
DMAX
R
V
L
DD
= 8Ω (Notes 10, 11)
= 1.26W, V
= 5V, A
R
L
= 8Ω
V
= 6dB,
DD
= 7V,
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