LM4673TM National Semiconductor, LM4673TM Datasheet - Page 9

• Manufacturer Part Number: LM4673TM
• Description: AUDIO AMP, MONO CLASS D, POWERWISE
• Manufacturer: National Semiconductor

Specifications of LM4673TM

• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 2.65x1@4OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.03@8Ohm@0.1W%
• 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: 78dB
• 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: 9
• Package Type: uSMD
• Amplifier Class: D
• No. Of Channels: 1
• Output Power: 2.65W
• Supply Voltage Range: 2.4V To 5.5V
• Thd + N: 0.03% @ 100mW, VDD=5V
• Load Impedance: 4ohm
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Not Compliant

V
Power Dissipation vs. Output Power
DD
Output Power vs. Supply Voltage
= 3.6V ,V
PSRR vs. Frequency
R
R
L
L
RIPPLE
= 4Ω, f = 1kHz
= 4Ω, f = 1kHz
= 200mV
P-P
, R
L
= 8Ω
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Power Dissipation vs. Output Power
Output Power vs. Supply Voltage
V
DD
= 3.6V, V
CMRR vs. Frequency
R
R
L
L
= 8Ω, f = 1kHz
= 8Ω, f = 1kHz
CM
= 1V
P-P
, R
L
= 8Ω
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