LM4562

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SNAS326J – AUGUST 2006 – REVISED APRIL 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.

Combining

advanced

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

•

PSRR and CMRR Exceed 120dB (Typ)

circuit

design,

the

LM4562

audio

operational

•

SOIC, PDIP, and TO-99 Packages

amplifiers deliver superior audio signal amplification

for outstanding audio performance. The LM4562

APPLICATIONS

combines

extremely

low

voltage

noise

density

(2.7nV/

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

•

Ultra High-Quality Audio Amplification

to

easily

satisfy

the

most

demanding

audio

•

High-Fidelity Preamplifiers

applications. To ensure that the most challenging

•

High-Fidelity Multimedia

loads are driven without compromise, the LM4562

has a high slew rate of ±20V/

μs and an output current

•

State-of-the-Art Phono Pre Amps

capability of ±26mA. Further, dynamic range is

•

High-Performance Professional Audio

maximized by an output stage that drives 2k

Ω loads

•

High-Fidelity Equalization and Crossover

to within 1V of either power supply voltage and to

Networks

within 1.4V when driving 600

Ω loads.

•

High-Performance Line Drivers

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

•

High-Performance Line Receivers

operational amplifier DC performance.

•

High-Fidelity Active Filters

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

KEY SPECIFICATIONS

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

circuitry

maintains

excellent

common-mode

and

•

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

power supply rejection, as well as maintaining its low

•

input bias current. The LM4562 is unity gain stable.

–

This

Audio

Operational

Amplifier

achieves

outstanding AC performance while driving complex

–

loads with values as high as 100pF.

•

Input Noise Density: 2.7nV/

√Hz (typ)

The LM4562 is available in an 8-lead narrow body

•

Slew Rate: ±20V/

μs (typ)

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

•

Gain Bandwidth Product: 55MHz (typ)

Demonstration

boards

are

available

for

each

•

package.

•

Input Bias Current: 10nA (typ)

•

Input Offset Voltage: 0.1mV (typ)

•

DC Gain Linearity Error: 0.000009%

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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.

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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.