LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 30

• 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

www.national.com
Revision History
Rev
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
30
01/23/06
03/05/07
03/13/07
04/24/07
04/26/07
05/02/07
05/15/07
05/16/07
06/06/07
07/31/07
Date
Added the I2C/SPI (1.7V 2.2V ) table.
Edited the 5.0V EC table (MONO_IN
Added the TM board schematic and
Added Note 11 and more text edits.
Added the numerical values for the
Text edits. Added the TM package.
Input Impedance and Rin/Lin Input
Added the TMD25XXX package.
X1, X2, and X3 in the Physical
Edited the 25–pin micro SMD
input some text edits.
connection diagram.
Dimension section.
More text edits.
Initial release.
Impedance).
Description