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LM146J/883 PDF预览

LM146J/883

更新时间: 2024-11-07 22:15:27
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页数 文件大小 规格书
17页 730K
描述
Programmable Quad Operational Amplifiers

LM146J/883 数据手册

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May 1999  
LM146/LM346  
Programmable Quad Operational Amplifiers  
General Description  
Features  
=
The LM146 series of quad op amps consists of four indepen-  
dent, high gain, internally compensated, low power, pro-  
grammable amplifiers. Two external resistors (RSET) allow  
the user to program the gain bandwidth product, slew rate,  
supply current, input bias current, input offset current and in-  
put noise. For example, the user can trade-off supply current  
for bandwidth or optimize noise figure for a given source re-  
sistance. In a similar way, other amplifier characteristics can  
be tailored to the application. Except for the two program-  
ming pins at the end of the package, the LM146 pin-out is  
the same as the LM124 and LM148.  
(ISET 10 µA)  
n Programmable electrical characteristics  
n Battery-powered operation  
n Low supply current: 350 µA/amplifier  
n Guaranteed gain bandwidth product: 0.8 MHz min  
n Large DC voltage gain: 120 dB  
n Low noise voltage: 28  
n Wide power supply range:  
n Class AB output stage–no crossover distortion  
n Ideal pin out for Biquad active filters  
±
±
1.5V to 22V  
n Input bias currents are temperature compensated  
PROGRAMMING EQUATIONS  
Connection Diagram  
=
Total Supply Current 1.4 mA (ISET/10 µA)  
=
Gain Bandwidth Product 1 MHz (ISET/10 µA)  
Dual-In-Line Package  
=
Slew Rate 0.4V/µs (ISET/10 µA)  
Input Bias Current 50 nA (ISET/10 µA)  
=
ISET Current into pin 8, pin 9 (see schematic-diagram)  
DS005654-1  
Top View  
Order Number LM146J, LM146J/883,  
LM346M or LM346N  
See NS Package Number  
J16A, M16A or N16A  
© 1999 National Semiconductor Corporation  
DS005654  
www.national.com  

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