LM4941SD/NOPB National Semiconductor, LM4941SD/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM4941SD/NOPB
• Description: IC AMP AUDIO PWR 1.54W MONO 8LLP
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class ABr

Specifications of LM4941SD/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.54W x 1 @ 8 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Differential Inputs, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-LLP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.54x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.04@8Ohm@0.7W%
• 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: 95dB
• Single Supply Voltage (min): 2.4V
• Single Supply Voltage (max): 5.5V
• 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: 8
• Package Type: LLP EP
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 1.25W
• Supply Voltage Range: 2.4V To 5.5V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: LLP
• Rohs Compliant: Yes
• For Use With: LM4941SDBD - BOARD EVALUATION LM4941
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4941SD; LM4941SDTR

Top-V
Bot-V
R
DD
DD
L
= 8Ω, Top-THD+N = 10%; Bot-THD+N = 1%
= 5V, 10% THD+N, Topmid-V
= 3V, 10% THD+N, Botmid-V
Output Power vs Load Resistance
Output Power vs Supply Voltage
Power Derating Curve
f
IN
= 1kHz, R
L
= 8Ω
DD
DD
= 3V, 1% THD+N
= 5V, 1% THD+N
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Clipping Voltage vs Supply Voltage
IDDQ vs Supply Voltage
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