Product Summary

The LM4838MTE is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4Ω with less than 1.0% THD or 2.2W into 3Ω with less than 1.0% THD. The LM4838MTE features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance. The applications of the LM4838MTE are Portable and Desktop Computers, Multimedia Monitors, Portable Radios, PDAs, and Portable TVs.

Parametrics

LM4838MTE absolute maximum ratings: (1)Supply Voltage:6.0V; (2)Storage Temperature:-65℃ to +150℃; (3)Input Voltage:-0.3V to VDD +0.3V; (4)Power Dissipation:Internally limited; (5)ESD Susceptibility:2000V or 200V; (6)Junction Temperature:150℃; (7)Soldering Information: Small Outline Package: Vapor Phase (60 sec.):215℃, Infrared (15 sec.):220℃.

Features

LM4838MTE features: (1)DC Volume Control Interface; (2)System Beep Detect; (3)Stereo switchable bridged/single-ended power amplifiers; (4)Selectable internal/external gain and bass boost; (5)“Click and pop” suppression circuitry; (6)Thermal shutdown protection circuitry.

Diagrams

LM4838MTE circuit diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM4838MTE/NOPB
LM4838MTE/NOPB


IC AMP AUDIO PWR 2.2W AB 28TSSOP

Data Sheet

Negotiable 
LM4838MTEX
LM4838MTEX

National Semiconductor (TI)

Audio Amplifiers

Data Sheet

0-2500: $0.88
2500-5000: $0.85
LM4838MTEX/NOPB
LM4838MTEX/NOPB

National Semiconductor (TI)

Audio Amplifiers

Data Sheet

0-1800: $0.93
1800-2500: $0.88
2500-5000: $0.85