LME49600

www.ti.com

SNAS422D – JANUARY 2008 – REVISED MARCH 2008

LME49600 High Performance, High Fidelity, High Current Audio Buffer

Check for Samples: LME49600

1

FEATURES

DESCRIPTION

The LME49600 is a high performance, low distortion

2

•

Pin-Selectable Bandwidth and Quiescent

high fidelity 250mA audio buffer. The LME49600 is

Current

designed for a wide range of applications. It can be

•

Pure Fidelity, Pure Performance

used inside the feedback loop of op amps.

•

Short Circuit Protection

The LME49600 offers a pin-selectable bandwidth: a

•

Thermal Shutdown

low current, 110MHz bandwidth mode that consumes

7.3mA and a wide 180MHz bandwidth mode that

•

TO–263 Surface-Mount Package

consumes 13.2mA. In both modes the LME49600 has

a nominal 2000V/

μs slew rate. Bandwidth is easily

APPLICATIONS

adjusted by either leaving the BW pin unconnected or

•

Headphone Amplifier Output Drive Stage

connecting a resistor between the BW pin and the

•

Line Drivers

•

Low Power Audio Amplifiers

The LME49600 is fully protected through internal

current limit and thermal shutdown.

•

High-Current Operational Amplifier Output

Stage

•

ATE Pin Driver Buffer

•

Power Supply Regulator

KEY SPECIFICATIONS

•

Figure 25): 0.00003% (typ)

•

Slew Rate: 2000V/

μs (typ)

•

High Output Current: 250mA (typ)

•

Bandwidth

–

BW Pin Floating: 110MHz (typ)

–

•

Supply Voltage Range: ±2.25V

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.