LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 19

• 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

Power Dissipation vs Output Power
V
V
V
DD
DD
DD
Crosstalk vs Frequency
Left-Right, Mode 4, OCL
Crosstalk vs Frequency
= 5V, R
= 5V, R
= 3.3V, R
Mode 7, SE
Mode 4, SE
L
L
= 32Ω, P
= 32Ω, P
L
= 32Ω, f = 1kHz,
O
O
= 30mW
= 30mW
201628k9
201628f1
201628f2
19
Supply Current vs Supply Voltage
V
V
DD
DD
= 3.3V, R
= 3.3V, R
Crosstalk vs Frequency
Right-Left, Mode 4, OCL
Crosstalk vs Frequency
No Load, Mode 7
Mode 4, SE
L
L
= 32Ω, P
= 32Ω, P
O
O
= 12mW
= 12mW
201628k2
201628e9
201628f0
www.national.com