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LME49720

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LME49720

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INPUT

OUTPUT

Note: 1% metal film resistors, 5% polypropylene capacitors

47 k:

3320:

150:

909:

26.1 k:

3.83 k:

100 :

150:

22 nF//4.7 nF//500 pF

3320:

47 nF//33 nF

10 pF

LME49720

www.ti.com

SNAS393C – MARCH 2007 – REVISED APRIL 2013

LME49720 Dual High Performance, High Fidelity Audio Operational Amplifier

Check for Samples: LME49720

1

FEATURES

KEY SPECIFICATIONS

2

•

Easily Drives 600

Ω Loads

•

Power Supply Voltage Range: ±2.5 to ±17V

•

Optimized for Superior Audio Signal Fidelity

•

•

Output Short Circuit Protection

–

•

PSRR and CMRR Exceed 120dB (typ)

–

•

SOIC, PDIP, TO-99 Metal Can Packages

•

Input Noise Density: 2.7nV/

√Hz (typ)

•

Slew Rate: ±20V/

μs (typ)

APPLICATIONS

•

Gain Bandwidth Product: 55MHz (typ)

•

Ultra High Quality Audio Amplification

•

•

High Fidelity Preamplifiers

•

Input Bias Current: 10nA (typ)

•

High Fidelity Multimedia

•

Input Offset Voltage: 0.1mV (typ)

•

State of the Art Phono Pre Amps

•

DC Gain Linearity Error: 0.000009%

•

High Performance Professional Audio

DESCRIPTION

•

High Fidelity Equalization and Crossover

The LME49720 is part of the ultra-low distortion, low

Networks

noise, high slew rate operational amplifier series

•

High Performance Line Drivers

optimized and fully specified for high performance,

•

High Performance Line Receivers

high

fidelity

applications.

Combining

advanced

•

High Fidelity Active Filters

leading-edge process technology with state-of-the-art

circuit design, the LME49720 audio operational

amplifiers deliver superior audio signal amplification

for outstanding audio performance. The LME49720

combines

extremely

low

voltage

noise

density

(2.7nV/

√Hz) with vanishingly low THD+N (0.00003%)

to

easily

satisfy

the

most

demanding

audio

applications.

TYPICAL APPLICATION

Figure 1. Passively Equalized RIAA Phono Preamplifier

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 © 2007–2013, 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.