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LM4832  Product Folder

Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Generic P/N 4832
General
Description		 Features Datasheet Package
& Models		 Samples
& Pricing		 Reliability
Metrics

Parametric Table Parametric Table
Temperature Min (deg C) -40 
Temperature Max (deg C) 85 
Channels (Channels) 2 
User Supply (Volt) 5 
Supply Range +4.5 - +5.5 V 
PowerAtFourOhms OnePercentTHD (Watt) - 
PowerAtEightOhms OnePercentTHD (Watt) .25 
PowerAtFourOhms TenPercentTHD (Watt) - 
PowerAtEightOhms TenPercentTHD (Watt) .35 
SNR (dB) 105 
SNR Conditions Vo=3.5V 
PSRR (dB) 89 
PSRR Conditions 100 Hz 
THD (%) .15 
THD Conditions Po=0.20W @ Vs=5V 
Audio Mux - 

Datasheet

TitleSize in KbytesDate
View Online
Download
Receive via Email
LM4832 Boomer ® Audio Power Amplifier Series Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound 577 Kbytes 16-Dec-03 View Online Download Receive via Email
LM4832 Boomer ® Audio Power Amplifier Series Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound (JAPANESE)
 317 Kbytes   View Online Download Receive via Email

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Package Availability, Models, Samples & Pricing

Part NumberPackageStatusModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
TypePinsMSL/Lead-Free AvailabilityLead
Time		QtySPICEIBISQty$US each
LM4832MSOIC WIDE28StatusFull productionN/AN/ASamples
Buy Now		1K+$2.65rail
of
26		NSUZXYTT
LM4832M
6-8 weeks50000
LM4832MXSOIC WIDE28StatusFull productionN/AN/A 1K+$2.65reel
of
1000		NSUZXYTT
LM4832M
6-8 weeks30000
LM4832MTTSSOP28StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$1.99rail
of
48		NSUZXYTT
LM4832MT
12-14 weeks50000
LM4832MTXTSSOP28StatusFull productionN/AN/ASamples1K+$1.99reel
of
2500		NSUZXYTT
LM4832MT
12-14 weeks50000
LM4832NMDIP28StatusFull productionN/AN/A24 Hour Samples
Buy Now		1K+$2.99rail
of
13		NSUZXYYTT
LM4832N
6-8 weeks10000

General Description

The LM4832 is a monolithic integrated circuit that provides volume and tone (bass and treble) controls as well as a stereo audio power amplifier capable of producing 250 mW (typ) into 8 or 90 mW (typ) into 32 with less than 1.0% THD. In addition, a two input microphone preamp stage, with volume control, capable of driving a 1 k load is implemented on chip.

The LM4832 also features National's 3D Sound circuitry which can be externally adjusted via a simple RC network. For maximum system flexibility, the LM4832 has an externally controlled, low-power consumption shutdown mode, and an independent mute for power and microphone amplifiers .

Boomer® audio integrated circuits were designed specifically to provide high quality audio while requiring few external components. Since the LM4832 incorporates tone and volume controls, a stereo audio power amplifier and a microphone preamp stage, it is optimally suited to multimedia monitors and desktop computer applications.

Features

  • Independent Left and Right Output Volume Controls
  • Treble and Bass Control
  • National 3D Sound
  • I2C Compatible Interface
  • Two Microphone Inputs with Selector
  • Software Controlled Shutdown Function

Key Specification

Output Power at 10% into 8

350mW (typ)

Output Power at 10% into 32

100mW (typ)

THD+N at 75mW into 32 at 1kHz

0.5% (max)

Microphone Input Referred Noise

7µV (typ)

Supply Current

13mA (typ)

Shutdown Current

4µA (typ)

Applications

  • Multimedia Monitors
  • Portable and Desktop Computers

Reliability Metrics

Part Number Process Early Failure Rate - Rejects Sample Size (EFR) PPM * Rel. Rejects Device Hours Long Term Failure Rates (FITS) MTTF
LM4832MCS0801322200586013460009011224278
LM4832MTCS0801322200586013460009011224278
LM4832MTXCS0801322200586013460009011224278
LM4832MXCS0801322200586013460009011224278
LM4832NCS0801322200586013460009011224278

For more information on Reliablitity Metrics, please click here.


[Information as of 15-Jan-2004]

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