LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 13

• Manufacturer Part Number: LM4946SQ
• Description: IC,Audio Amplifier,TRIPLE,LLCC,24PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LM4946SQ

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.05%%
• 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: 72dB
• Single Supply Voltage (min): 2.7V
• 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: 24
• Package Type: LLP EP
• Lead Free Status / Rohs Status: Not Compliant

V
V
DD
DD
V
DD
= 3.3V, R
= 3.3V, R
THD+N vs Output Power
THD+N vs Frequency
THD+N vs Frequency
= 3.3V, R
Mode 2, OCL
Mode 3, BTL
Mode 5, BTL
L
L
= 32Ω, P
= 8Ω, P
L
= 8Ω, f = 1kHz
O
O
= 250mW
= 12mW
201628m5
201628m3
201628b4
13
V
DD
V
V
DD
DD
Mode 2, SE, BW = 80kHz
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
THD+N vs Frequency
= 3.3V, R
= 3.3V, R
Mode 4, 7, OCL
Mode 1, BTL
L
= 32Ω, P
L
L
= 32Ω, f = 1kHz
= 8Ω, f = 1kHz
O
= 12mW
201628m4
201628e6
201628b0
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