LM4862N National Semiconductor, LM4862N Datasheet
LM4862N
Specifications of LM4862N
Available stocks
Related parts for LM4862N
LM4862N Summary of contents
Page 1
... External gain configuration capability n Pin compatible with LM4861 Applications n Portable computers n Cellular phones n Toys and games 1% (max) Connection Diagram Small Outline and DIP Package Order Number LM4862M, LM4862N See NS Package Number M08A or N08E 01234201 DS012342 September 2004 into 825mW (typ) 0.7µA (typ) 01234202 Top View www ...
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 (Note 3) ESD Susceptibility (Note 4) ESD Susceptibility (Note 5) Junction Temperature Soldering Information Small Outline Package Vapor Phase (60 sec ...
Page 3
Automatic Switching Circuit External Components Description (Figure 1) Components 1. R Inverting input resistance which sets the closed-loop gain in conjunction with R i high pass filter with Input coupling capacitor which blocks the DC voltage at ...
Page 4
Typical Performance Characteristics THD+N vs Frequency THD+N vs Frequency THD+N vs Output Power www.national.com 01234203 THD+N vs Output Power 01234205 THD+N vs Output Power 01234207 4 THD+N vs Frequency 01234204 01234206 01234208 ...
Page 5
Typical Performance Characteristics Output Power vs Supply Voltage Output Power vs Supply Voltage Power Dissipation vs Output Power (Continued) 01234209 01234211 01234213 5 Output Power vs Supply Voltage 01234210 Output Power vs Load Resistance 01234212 Power Derating Curve 01234214 www.national.com ...
Page 6
Typical Performance Characteristics Dropout Voltage vs Power Supply Frequency Response vs Input Capacitor Size Open Loop Frequency Response www.national.com (Continued) 01234215 01234217 01234219 6 Noise Floor 01234216 Power Supply Rejection Ratio 01234218 Supply Current vs Supply Voltage 01234220 ...
Page 7
Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1, the LM4862 has two operational amplifiers internally, allowing for a few different amplifier configurations. The first amplifier’s gain is externally config- urable, while the second amplifier is internally fixed in ...
Page 8
Application Information AUTOMATIC SWITCHING CIRCUIT As shown in Figure 2, the LM4862 and the LM4880 can be set up to automatically switch on and off depending on whether headphones are plugged in. The LM4880 is used to drive a stereo ...
Page 9
Application Information Once the power dissipation equations have been addressed, the required differential gain can be determined from Equa- tion From Equation 4, the minimum use A VD ...
Page 10
Physical Dimensions unless otherwise noted 8-Lead (0.150" Wide) Molded Small Outline Package, JEDEC www.national.com inches (millimeters) Order Number LM4862M NS Package Number M08A 10 ...
Page 11
... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted (Continued) 8-Lead (0.300" Wide) Molded Dual-In-Line Package Order Number LM4862N NS Package Number N08E 2. A critical component is any component of a life ...