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LME49600

Part Number	LME49600
Manufacturer	National Semiconductor
Description	High Current Audio Buffer
Published	May 1, 2010
Detailed Description	LME49600 High Performance, High Fidelity, High Current Audio Buffer www.DataSheet4U.com March 31, 2008 LME49600 High...
Datasheet	LME49600 PDF File

Overview

LME49600 High Performance, High Fidelity, High Current Audio Buffer www.
DataSheet4U.
com March 31, 2008 LME49600 High Performance, High Fidelity, High Current Audio Buffer General Description The LME49600 is a high performance, low distortion high fidelity 250mA audio buffer.
The LME49600 is designed for a wide range of applications.
It can be used inside the feedback loop of op amps.
The LME49600 offers a pin-selectable bandwidth: a low current, 110MHz bandwidth mode that consumes 7.
3mA and a wide 180MHz bandwidth mode that consumes 13.
2mA.
In both modes the LME49600 has a nominal 2000V/μs slew rate.
Bandwidth is easily adjusted by either leaving the BW pin unconnected or connecting a resistor between the BW pin and the VEE pin.
The LME49600 is fully protected through internal current limit and thermal shutdown.
Key Specifications ■ Low THD+N (VOUT = 3VRMS, f = 1kHz, Figure 2) 0.
00003% (typ) 2000V/μs (typ) 250mA (typ) ■ Slew Rate ■ High Output Current ■ Bandwidth BW pin floating BW connected to VEE 110MHz (typ) 180MHz (typ) ±2.
25V ≤ VS ≤ ±18V ■ Supply Voltage Range Features ■ ■ ■ ■ ■ Pin-selectable bandwidth and quiescent current Pure fidelity.
Pure performance Short circuit protection Thermal shutdown TO–263 surface-mount package Applications ■ ■ ■ ■ ■ ■ Headphone amplifier output drive stage Line drivers Low power audio amplifiers High-current operational amplifier output stage ATE Pin Driver Buffer Power supply regulator Functional Block Diagram 30029805 FIGURE 1.
Simplified Circuit Diagram (Note: I1 and I2 are mirrored from I) Boomer® is a registered trademark of National Semiconductor Corporation.
© 2008 National Semiconductor Corporation 300298 www.
national.
com LME49600 Connection Diagrams www.
DataSheet4U.
com 300298a0 Top View Order Number LME49600TS See NS Package Number TS5B 30029832 Top View U — Wafer fabrication code Z — Assembly plant XY — 2 Digit date code TT — Lot traceability www.
national.
com 2 LME49600 Absolute Maximum Rati...

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