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TLC2254AMWB

更新时间： 2024-11-16 04:49:07
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德州仪器 - TI 运算放大器
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73页 1640K
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Advanced LinCMOS⑩ RAIL-TO-RAIL VERY LOW-POWER OPERATIONAL AMPLIFIERS

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TLC225x, TLC225xA  
Advanced LinCMOS RAIL-TO-RAIL  
VERY LOW-POWER OPERATIONAL AMPLIFIERS  
SLOS176D – FEBRUARY 1997 – REVISED MARCH 2001  
Output Swing Includes Both Supply Rails  
Low Noise . . . 19 nV/√Hz Typ at f = 1 kHz  
Low Input Bias Current . . . 1 pA Typ  
Low Input Offset Voltage  
850 µV Max at T = 25°C (TLC225xA)  
A
Macromodel Included  
Performance Upgrades for the TS27L2/L4  
and TLC27L2/L4  
Fully Specified for Both Single-Supply and  
Split-Supply Operation  
Available in Q–Temp Automotive  
HighRel Automotive Applications  
Configuration Control / Print Support  
Qualification to Automotive Standards  
Very Low Power . . . 35 µA Per Channel Typ  
Common-Mode Input Voltage Range  
Includes Negative Rail  
description  
EQUIVALENT INPUT NOISE VOLTAGE  
vs  
The TLC2252 and TLC2254 are dual and  
quadruple operational amplifiers from Texas  
Instruments. Both devices exhibit rail-to-rail  
output performance for increased dynamic range  
in single- or split-supply applications. The  
TLC225x family consumes only 35 µA of supply  
current per channel. This micropower operation  
makes them good choices for battery-powered  
applications. The noise performance has been  
dramatically improved over previous generations  
of CMOS amplifiers. Looking at Figure 1, the  
TLC225x has a noise level of 19 nV/√Hz at 1kHz;  
four times lower than competitive micropower  
solutions.  
FREQUENCY  
60  
V
R
T
A
= 5 V  
= 20 Ω  
= 25°C  
DD  
S
50  
40  
30  
20  
10  
0
The TLC225x amplifiers, exhibiting high input  
impedance and low noise, are excellent for  
small-signal conditioning for high-impedance  
sources, such as piezoelectric transducers.  
Because of the micropower dissipation levels,  
these devices work well in hand-held monitoring  
and remote-sensing applications. In addition, the  
rail-to-rail output feature with single or split  
1
2
3
4
10  
10  
10  
10  
f – Frequency – Hz  
Figure 1  
supplies makes this family a great choice when interfacing with analog-to-digital converters (ADCs). For  
precision applications, the TLC225xA family is available and has a maximum input offset voltage of 850 µV. This  
family is fully characterized at 5 V and ±5 V.  
The TLC2252/4 also makes great upgrades to the TLC27L2/L4 or TS27L2/L4 in standard designs. They offer  
increased output dynamic range, lower noise voltage, and lower input offset voltage. This enhanced feature set  
allows them to be used in a wider range of applications. For applications that require higher output drive and  
wider input voltage ranges, see the TLV2432 and TLV2442 devices. If the design requires single amplifiers,  
please see the TLV2211/21/31 family. These devices are single rail-to-rail 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  
1234567...73

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TLC2254AMWB 替代型号

型号 品牌 替代类型 描述 数据表
TLC2254MWB TI

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