lme49710max National Semiconductor Corporation, lme49710max Datasheet

lme49710max

Manufacturer Part Number

lme49710max

Description

High Performance, High Fidelity Audio Operational Amplifier

Manufacturer

National Semiconductor Corporation

Datasheet

1.LME49710MAX.pdf (28 pages)

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LME49710

High Performance, High Fidelity Audio Operational

Amplifier

General Description

The LME49710 is part of the ultra-low distortion, low noise,

high slew rate operational amplifier series optimized and fully

specified for high performance, high fidelity applications.

Combining advanced leading-edge process technology with

state-of-the-art circuit design, the LME49710 audio opera-

tional amplifiers deliver superior audio signal amplification for

outstanding audio performance. The LME49710 combines

extremely low voltage noise density (2.5nV/Hz) with vanish-

ingly low THD+N (0.00003%) to easily satisfy the most de-

manding audio applications. To ensure that the most

challenging loads are driven without compromise, the

LME49710 has a high slew rate of ±20V/μs and an output

current capability of ±26mA. Further, dynamic range is max-

imized by an output stage that drives 2kΩ loads to within 1V

of either power supply voltage and to within 1.4V when driving

600Ω loads.

The LME49710's outstanding CMRR(120dB), PSRR(120dB),

and V

amplifier DC performance.

The LME49710 has a wide supply range of ±2.5V to ±17V.

Over this supply range the LME49710’s input circuitry main-

tains excellent common-mode and power supply rejection, as

well as maintaining its low input bias current. The LME49710

is unity gain stable. The Audio Operational Amplifier achieves

outstanding AC performance while driving complex loads with

values as high as 100pF.

The LME49710 is available in 8–lead narrow body SOIC, 8–

lead plastic DIP, and 8–lead metal can TO-99. Demonstration

boards are available for each package.

(0.05mV) give the amplifier excellent operational

202104

Key Specifications

Features

■

Applications

■

Easily drives 600Ω loads

Optimized for superior audio signal fidelity

Output short circuit protection

PSRR and CMRR exceed 120dB (typ)

SOIC, DIP, TO-99 metal can packages

Ultra high quality audio amplification

High fidelity preamplifiers

High fidelity multimedia

State of the art phono pre amps

High performance professional audio

High fidelity equalization and crossover networks

High performance line drivers

High performance line receivers

High fidelity active filters

Power Supply Voltage Range

THD+N (A

Input Noise Density

Slew Rate

Gain Bandwidth Product

Open Loop Gain (R

Input Bias Current

Input Offset Voltage

DC Gain Linearity Error

= 2kΩ

= 600Ω

= 1, V

OUT

= 3V

= 600Ω)

RMS

, f

= 1kHz)

2.5nV/

0.00003% (typ)

±2.5V to ±17V

±20V/μs (typ)

www.national.com

0.05mV (typ)

55MHz (typ)

140dB (typ)

0.000009%

March 2007

√

7nA (typ)

Hz (typ)

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