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TLV2442_07

更新时间: 2024-09-16 04:48:59
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德州仪器 - TI 运算放大器输出元件输入元件
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39页 866K
描述
Advanced LinCMOS RAIL-TO-RAIL OUTPUT WIDE-INPUT-VOLTAGE OPERATIONAL AMPLIFIERS

TLV2442_07 数据手册

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TLV2442, TLV2442A, TLV2444, TLV2444A  
Advanced LinCMOS RAIL-TO-RAIL OUTPUT  
WIDE-INPUT-VOLTAGE OPERATIONAL AMPLIFIERS  
SLOS169H – NOVEMBER 1996 – REVISED MARCH 2001  
Output Swing Includes Both Supply Rails  
600-Output Drive  
Extended Common-Mode Input Voltage  
Range . . . 0 V to 4.25 V (Min) at 5-V Single  
Supply  
High-Gain Bandwidth . . . 1.8 MHz Typ  
Low Supply Current . . . 750 µA Per Channel  
Typ  
No Phase Inversion  
Macromodel Included  
Low Noise . . . 16 nV/Hz Typ at f = 1 kHz  
Low Input Offset Voltage  
Available in Q-Temp Automotive  
HighRel Automotive Applications  
Configuration Control/Print Support  
Qualification to Automotive Standards  
950 µV Max at T = 25°C (TLV244xA)  
A
Low Input Bias Current . . . 1 pA Typ  
HIGH-LEVEL OUTPUT VOLTAGE  
vs  
description  
HIGH-LEVEL OUTPUT CURRENT  
The TLV244x and TLV244xA are low-voltage  
operational amplifiers from Texas Instruments.  
The common-mode input voltage range of these  
devices has been extended over typical standard  
CMOS amplifiers, making them suitable for a wide  
range of applications. In addition, these devices  
donotphaseinvertwhenthecommon-modeinput  
is driven to the supply rails. This satisfies most  
design requirements without paying a premium  
for rail-to-rail input performance. They also exhibit  
rail-to-rail output performance for increased  
dynamic range in single- or split-supply  
applications. This family is fully characterized at  
3-V and 5-V supplies and is optimized for  
low-voltage operation. Both devices offer  
comparable ac performance while having lower  
noise, input offset voltage, and power dissipation  
than existing CMOS operational amplifiers. The  
TLV244x has increased output drive over  
previous rail-to-rail operational amplifiers and can  
drive 600-loads for telecommunications  
applications.  
3
V
DD  
= 3 V  
2.5  
2
T
A
= 40°C  
1.5  
1
T
A
= 125°C  
0.5  
0
T
A
= 85°C T = 25°C  
A
0
2
4
6
8
10  
12  
I
– High-Level Output Current – mA  
OH  
Figure 1  
The other members in the TLV244x family are the low-power, TLV243x, and micro-power, TLV2422, versions.  
The TLV244x, exhibiting high input impedance and low noise, is excellent for small-signal conditioning for  
high-impedance sources, such as piezoelectric transducers. Because of the micropower dissipation levels and  
low-voltage operation, these devices work well in hand-held monitoring and remote-sensing applications. In  
addition, the rail-to-rail output feature with single- or split-supplies makes this family a great choice when  
interfacing with analog-to-digital converters (ADCs). For precision applications, the TLV244xA is available with  
a maximum input offset voltage of 950 µV.  
Ifthedesignrequiressingleoperationalamplifiers, seetheTITLV2211/21/31. Thisisafamilyofrail-to-railoutput  
operational amplifiers in the SOT-23 package. Their small size and low power consumption make them ideal  
for high density, battery-powered equipment.  
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.  
Advanced LinCMOS is a trademark of Texas Instruments.  
Copyright 2001, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
unless otherwise noted. On all other products, production  
testing of all parameters.  
processing does not necessarily include testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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