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TLE2064MDG4 PDF预览

TLE2064MDG4

更新时间: 2024-11-04 03:49:51
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德州仪器 - TI 运算放大器输出元件输入元件驱动
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78页 1697K
描述
EXCALIBUR JFET-INPUT HIGH-OUTPUT-DRIVE uPOWER OPERATIONAL AMPLIFIERS

TLE2064MDG4 数据手册

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ꢃꢋ ꢌꢉꢂ ꢍꢊꢎ ꢏ ꢐ ꢑ ꢃꢁꢒꢍ ꢓꢔꢎꢁ ꢕꢍ ꢖꢕ ꢒꢗꢎ ꢁꢔꢎ ꢁꢒ ꢘꢏ ꢍꢙ ꢃ  
µ
SLOS193B − FEBRUARY 1997 − REVISED MAY 2004  
D
2× Bandwidth (2 MHz) of the TL06x and  
TL03x Operational Amplifiers  
D
High Output Drive, Specified into 100-Ω  
Loads  
D
Low Supply Current . . . 290 µA/Ch Typ  
On-chip Offset Voltage Trimming for  
Improved DC Performance  
D
Lower Noise Floor Than Earlier  
Generations of Low-Power BiFETs  
D
description  
The TLE206x series of low-power JFET-input operational amplifiers doubles the bandwidth of the earlier  
generation TL06x and TL03x BiFET families without significantly increasing power consumption. Texas  
Instruments Excalibur process also delivers a lower noise floor than the TL06x and TL03x. On-chip zener  
trimming of offset voltage yields precision grades for dc-coupled applications. The TL206x devices are  
pin-compatible with other Texas Instruments BiFETs; they can be used to double the bandwidth of TL06x and  
TL03x circuits or to reduce power consumption of TL05x, TL07x, and TL08x circuits by nearly 90%.  
BiFET operational amplifiers offer the inherently-higher input impedance of the JFET-input transistors, without  
sacrificing the output drive associated with bipolar amplifiers. This makes them better suited for interfacing with  
high-impedance sensors or low-level ac signals. They also feature inherently better ac response than bipolar  
or CMOS devices having comparable power consumption. The TLE206x family features a high-output-drive  
circuit capable of driving 100-loads at supplies as low as 5 V. This makes them uniquely suited for driving  
transformer loads in modems and other applications requiring good ac characteristics, low power, and high  
output drive.  
Because BiFET operational amplifiers are designed for use with dual power supplies, care must be taken to  
observe common-mode input voltage limits and output swing when operating from a single supply. DC biasing  
of the input signal is required and loads should be terminated to a virtual ground node at mid-supply. Texas  
Instruments TLE2426 integrated virtual ground generator is useful when operating BiFET amplifiers from single  
supplies.  
The TLE206x are fully specified at 15 V and 5 V. For operation in low-voltage and/or single-supply systems,  
Texas Instruments LinCMOS families of operational amplifiers (TLC- and TLV-prefixes) are recommended.  
When moving from BiFET to CMOS amplifiers, particular attention should be paid to slew rate and bandwidth  
requirements and output loading. The Texas Instruments TLV2432 and TLV2442 CMOS operational amplifiers  
are excellent choices to consider.  
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.  
ꢁꢨ  
Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

TLE2064MDG4 替代型号

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