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LM4857GR

LM4857GR

LM4857GR

Rochester Electronics, LLC

Audio Amplifiers 4mm mm 5.5V V 49-VFBGA

SOT-23

LM4857GR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 49-VFBGA
Surface MountYES
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series Boomer®
JESD-609 Code e0
Feature 3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control
Pbfree Code yes
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 49
Type Class AB
Terminal Finish TIN LEAD
Voltage - Supply 2.7V~5.5V
Terminal Position BOTTOM
Terminal FormBALL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Number of Functions 1
Terminal Pitch0.5mm
Reach Compliance Code unknown
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
JESD-30 Code S-PBGA-B49
Qualification StatusCOMMERCIAL
Output Type 2-Channel (Stereo) with Mono and Stereo Headphones
Supply Voltage-Max (Vsup) 5.5V
Supply Voltage-Min (Vsup) 2.7V
Max Output Power x Channels @ Load 1.6W x 2 @ 4 Ω; 75mW x 2 @ 32 Ω
Length 4mm
Height Seated (Max) 1.1mm
Width 4mm
RoHS StatusNon-RoHS Compliant
In-Stock:4414 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.62000$1.62
500$1.6038$801.9
1000$1.5876$1587.6
1500$1.5714$2357.1
2000$1.5552$3110.4
2500$1.539$3847.5

LM4857GR Product Details

LM4857GR Overview


This package is embedded in 49-VFBGA .This device is packaged in the way of Tape & Reel (TR) .49 terminations occur when a transmission line is terminated by a device with the same characteristic impedance as the transmission line.Amp parts uses 2-Channel (Stereo) with Mono and Stereo Headphones as the output.Class AB is the type of this electrical device.Amp parts is mounted in the way of Surface Mount .There is 2.7V~5.5V supply voltage for this electrical device.When operating, it is possible to ensure 3D, Depop, I2C, Mute, Shutdown, Thermal Protection, Volume Control .Ideally, the operating temperature should not exceed -40°C~85°C TA .Amp parts is recommended that the supply voltage (Vsup) be maintained above 2.7V for normal operation.5.5V represents the maximal supply voltage (Vsup).Amp parts belongs to the Boomer® series of electronic components.

LM4857GR Features


49-VFBGA package
Boomer® series


LM4857GR Applications


There are a lot of Rochester Electronics, LLC
LM4857GR audio amplifiers applications.


  • Addition and subtraction operation circuits
  • single/dual op amp sum and difference circuits
  • Integrator and differentiator circuits
  • Logarithmic and exponential operation circuits
  • Multiplication and division circuits
  • Precision measurement
  • Power control
  • Information processing
  • Weak signal detection
  • Signal amplification

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