LM4834MSX National Semiconductor, LM4834MSX Datasheet

LM4834MSX
Specifications of LM4834MSX
Available stocks
Related parts for LM4834MSX
LM4834MSX Summary of contents
Page 1
... Block Diagram FIGURE 1. LM4834 Block Diagram Boomer ® registered trademark of NationalSemiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications n THD at 1.1W continuous average output power into 8Ω at 1kHz n Output Power into 4Ω at 1.0% THD+N n THD at 70mW continuous average output power into 32Ω ...
Page 2
... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Storage Temperature Input Voltage Power Dissipation ESD Susceptibility (Note 4) Pin 5 ESD Susceptibility (Note 5) Junction Temperature Soldering Information Small Outline Package Vapor Phase (60 sec ...
Page 3
Electrical Characteristics for Microphone Preamp and Power Supply (Continued) (Notes 1, 2) The following specifications apply forV Symbol Parameter V Mic Power Supply S Electrical Characteristics for Line/Headphone Amplifier (Notes 1, 2) The following specifications apply for V Symbol Parameter ...
Page 4
Typical Application Truth Table for Logic Inputs Mode Mute www.national.com FIGURE 2. Typical Application Circuit HP Sense DC Vol. Control Line/HP Left 0 Adjustable Fixed Level 1 Adjustable ...
Page 5
External Components Description Components Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a high i pass filter with explanation of how to determine the value ...
Page 6
Typical Performance Characteristics THD+N vs Frequency Bridge Power Amp THD+N vs Frequency Line Out/HP Amplifiers THD+N vs Output Power Bridged Power Amp www.national.com (Continued) THD+N vs Frequency Line Out/HP Amplifiers 10001506 THD+N vs Frequency Line Out/HP Amplifiers 10001508 THD+N vs ...
Page 7
Typical Performance Characteristics THD+N vs Output Power Bridged Power Amp THD+N vs Output Power Line Out/HP Amplifiers Output Power vs Load Resistance Bridged Power Amp (Continued) THD+N vs Output Power 10001512 THD+N vs Output Power 10001514 10001516 7 Line Out/HP ...
Page 8
Typical Performance Characteristics Volume Control Characteristics Noise Floor Line Out/HP Amp Power Supply Rejection Ratio Bridged Power Amp www.national.com (Continued) 10001525 10001520 Line Out/HP Amplifiers 10001522 8 Noise Floor Bridged Power Amp 10001519 Noise Floor Mic Preamp 10001521 Power Supply ...
Page 9
Typical Performance Characteristics Power Supply Rejection Ratio Mic Preamp Power Dissipation vs Output Power Line Out/HP Amplifiers Power Derating Curve (Continued) 10001524 Low Frequency Enhancement 10001526 10001528 9 Power Dissipation vs Output Power Bridged Power Amp 10001518 Characteristics Bridged Power ...
Page 10
Typical Performance Characteristics Crosstalk Line Out/HP Amplifiers www.national.com (Continued) 10001530 10 ...
Page 11
Application Information BEEP IN FUNCTION The Beep In pin (pin 14 mono input, for system beeps, that is mixed into the left and right input. This Beep In pin will allow an input signal to pass through to ...
Page 12
Application Information amplifiers are set at a gain of 1.4 (2.9dB). The attenuation of the amplifiers increase until 0V is reached. The attenuator range is from 2.9dB (pin22 = 4V) to -75dB (pin22 = 0V). Any DC voltage greater than ...
Page 13
Application Information ability to reproduce signals below 100 Hz–150 Hz. In this case, usinga large input or output capacitor may not in- crease system performance. In addition to system cost and size, click and pop perfor- mance is effected by ...
Page 14
... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...