Datasheet

LM4562
www.ti.com
SNAS326J AUGUST 2006REVISED APRIL 2013
LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier
Check for Samples: LM4562
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FEATURES
DESCRIPTION
The LM4562 is part of the ultra-low distortion, low-
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Easily Drives 600 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 loads
High-Fidelity Equalization and Crossover
to within 1V of either power supply voltage and to
Networks
within 1.4V when driving 600 loads.
High-Performance Line Drivers
The LM4562's outstanding CMRR (120dB), PSRR
High-Performance Line Receivers
(120dB), and V
OS
(0.1mV) give the amplifier excellent
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
THD+N (A
V
= 1, V
OUT
= 3V
RMS
, f
IN
= 1kHz)
input bias current. The LM4562 is unity gain stable.
R
L
= 2k: 0.00003% (typ)
This Audio Operational Amplifier achieves
outstanding AC performance while driving complex
R
L
= 600: 0.00003% (typ)
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
Open Loop Gain (R
L
= 600): 140dB (typ)
package.
Input Bias Current: 10nA (typ)
Input Offset Voltage: 0.1mV (typ)
DC Gain Linearity Error: 0.000009%
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All 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.

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