-

+

LM4562

-

+

LM4562

-

+

LM4562

-

+

LM4562

10 pF

+

+

INPUT

OUTPUT

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

LM4562

www.ti.com

SNAS326K – AUGUST 2006 – REVISED DECEMBER 2013

LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier

Check for Samples: LM4562

1

FEATURES

DESCRIPTION

The LM4562 is part of the ultra-low distortion, low-

2

•

Easily Drives 600

Ω Loads

noise, high-slew-rate operational amplifier series

•

Optimized for Superior Audio Signal Fidelity

optimized and fully specified for high-performance,

•

Output Short Circuit Protection

high-fidelity

applications.

The

LM4562

audio

operational amplifiers deliver superior audio signal

•

PSRR and CMRR Exceed 120dB (Typ)

amplification for outstanding audio performance. The

•

SOIC, PDIP, and TO-99 Packages

LM4562

combines

extremely

low

voltage

noise

density (2.7nV/

√Hz) with vanishingly low THD+N

APPLICATIONS

(0.00003%) to easily satisfy the most demanding

audio

applications.

To

ensure

that

the

most

•

Ultra High-Quality Audio Amplification

challenging loads are driven without compromise, the

•

High-Fidelity Preamplifiers

LM4562 has a high slew rate of ±20V/

μs and an

•

High-Performance Professional Audio

output current capability of ±26mA. Further, dynamic

range is maximized by an output stage that drives

•

High-Fidelity Active Equalization and

2k

Ω loads to within 1V of either power supply voltage

Crossover Networks

and to within 1.4V when driving 600

Ω loads.

•

High-Performance Line Drivers and Receivers

The LM4562's outstanding CMRR (120dB), PSRR

KEY SPECIFICATIONS

operational amplifier DC performance.

•

Power Supply Voltage Range: ±2.5V to ± 17V

The LM4562 has a wide supply range of ±2.5V to

•

±17V. Over this supply range the LM4562’s input

–

circuitry

maintains

excellent

common-mode

and

–

power supply rejection, as well as maintaining its low

input bias current. The LM4562 is unity gain stable.

•

Input Noise Density: 2.7nV/

√Hz (typ)

This

Audio

Operational

Amplifier

achieves

•

Slew Rate: ±20V/

μs (typ)

outstanding AC performance while driving complex

•

Gain Bandwidth Product: 55MHz (typ)

loads with values as high as 100pF.

•

The LM4562 is available in an 8-lead narrow body

•

Input Bias Current: 10nA (typ)

SOIC, an 8-lead PDIP, and an 8-lead TO-99.

•

Input Offset Voltage: 0.1mV (typ)

•

DC Gain Linearity Error: 0.000009%

TYPICAL APPLICATION

A.

1% metal film resistors, 5% polypropylene capacitors

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 © 2006–2013, 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.