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音频运放LM4562数据手册

更新时间：2019-10-21 15:56:19 大小：2M 上传用户：zxyyz查看TA发布的资源 标签：音频lm4562运放 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

德州仪器超低噪声音频运放，包含参考电路设计。

The LM4562 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. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized 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.

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lm4562.pdf 2M

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SNAS326K –AUGUST 2006–REVISED DECEMBER 2013  
LM4562 Dual High-Performance, Operational Amplifier  
Check for Samples:
1
FEATURES  
DESCRIPTION  
The LM4562 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. The LM4562 audio  
operational amplifiers deliver superior audio signal  
amplification for outstanding audio performance. The  
LM4562 combines extremely low voltage noise  
density (2.7nV/√Hz) with vanishingly low THD+N  
(0.00003%) to easily satisfy the most demanding  
audio applications. To ensure that the most  
challenging loads are driven without compromise, the  
LM4562 has a high slew rate of ±20V/μs and an  
output current capability of ±26mA. Further, dynamic  
range is maximized 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.  
2
•
Easily Drives 600Ω Loads  
•
•
•
•
Optimized for Superior Audio Signal Fidelity  
Output Short Circuit Protection  
PSRR and CMRR Exceed 120dB (Typ)  
SOIC, PDIP, and TO-99 Packages  
APPLICATIONS  
•
•
•
•
Ultra High-Quality Audio Amplification  
High-Fidelity Preamplifiers  
High-Performance Professional Audio  
High-Fidelity Active Equalization and  
Crossover Networks  
•
High-Performance Line Drivers and Receivers  
The LM4562's outstanding CMRR (120dB), PSRR  
(120dB), and VOS (0.1mV) give the amplifier excellent  
operational amplifier DC performance.  
KEY SPECIFICATIONS  
•
•
Power Supply Voltage Range: ±2.5V to ± 17V  
THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)  
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.  
–
–
RL = 2kΩ: 0.00003% (typ)  
RL = 600Ω: 0.00003% (typ)  
•
•
•
•
•
•
•
Input Noise Density: 2.7nV/√Hz (typ)  
Slew Rate: ±20V/μs (typ)  
This  
Audio  
Operational  
Amplifier  
achieves  
outstanding AC performance while driving complex  
loads with values as high as 100pF.  
Gain Bandwidth Product: 55MHz (typ)  
Open Loop Gain (RL = 600Ω): 140dB (typ)  
Input Bias Current: 10nA (typ)  
The LM4562 is available in an 8-lead narrow body  
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  
150:  
3320:  
3320:  
150:  
26.1 k:  
+
909:  
-
-
LM4562  
LM4562  
+
+
3.83 k:  
+
100:  
OUTPUT  
22 nF//4.7 nF//500 pF  
10pF  
INPUT  
47 k:  
47 nF//33 nF  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2013, Texas Instruments Incorporated  

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