LM4804LQX/NOPB National Semiconductor, LM4804LQX/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4804LQX/NOPB
• Description: IC AMP AUDIO PWR 1.9W MONO 28LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4804LQX/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.9W x 1 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 6.1 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-LLP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.9x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.13@8Ohm@1.5W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Dual
• Power Dissipation: 1.8W
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.7/3V
• Dual Supply Voltage (max): 5/6.1V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: LLP EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Characteristics
V
DD
V
DD
= 4.2V, R
THD+N vs Output Power
V
DD
THD+N vs Frequency
= 4.2V, R
PSRR vs Frequency
= 3V, Input Referred
L
= 8Ω, P
L
= 8Ω, f = 1kHz
OUT
= 1.5W
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5
V
DD
V
= 3.0V, R
THD+N vs Output Power
DD
THD+N vs Frequency
V
PSRR vs Frequency
= 4.2V, Input Referred
DD
= 3.0V, R
L
= 8Ω, P
L
= 8Ω
OUT
= 1.5W
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