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TLV255X Datasheet(PDF) 1 Page - Texas Instruments

Part No. TLV255X
Description  ADVANCED LINCMOS RAIL-TO-RAIL VERY LOW-POWER OPERATIONAL AMPLIFIERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLV225x, TLV225xA
Advanced LinCMOS RAILTORAIL
VERY LOW POWER OPERATIONAL AMPLIFIERS
SLOS185D − FEBRUARY 1997 − REVISED AUGUST 2006
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Output Swing Includes Both Supply Rails
D Low Noise . . . 19 nV/√Hz Typ at f = 1 kHz
D Low Input Bias Current ...1 pA Typ
D Fully Specified for Both Single-Supply and
Split-Supply Operation
D Very Low Power ...34 µA Per Channel Typ
D Common-Mode Input Voltage Range
Includes Negative Rail
D Low Input Offset Voltage
850
µV Max at TA = 25°C
D Wide Supply Voltage Range
2.7 V to 8 V
D Macromodel Included
D Available in Q-Temp Automotive
HighRel Automotive Applications
Configuration Control / Print Support
Qualification to Automotive Standards
description
The TLV2252 and TLV2254 are dual and
quadruple low-voltage operational amplifiers from
Texas Instruments. Both devices exhibit rail-to-rail
output performance for increased dynamic range
in single- or split-supply applications. The
TLV225x family consumes only 34
µA of supply
current per channel. This micropower operation
makes them good choices for battery-powered
applications. This family is fully characterized at
3 V and 5 V and is optimized for low-voltage
applications. The noise performance has been
dramatically improved over previous generations
of CMOS amplifiers. The TLV225x has a noise
level of 19 nV/
√Hz at 1kHz, four times lower than
competitive micropower solutions.
The TLV225x, exhibiting high input impedance
and low noise, are excellent for small-signal
conditioning for high-impedance sources, such as
piezoelectric transducers. Because of the micro-
power dissipation levels combined with 3-V
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 TLV225xA family is
available and has a maximum input offset voltage of 850
µV.
The TLV2252/4 also make great upgrades to the TLV2322/4 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
range, see the TLV2432 and TLV2442 devices. If your 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.
Copyright
 1997−2006, Texas Instruments Incorporated
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
testing of all parameters.
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.
Figure 1
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
| IOH | − High-Level Output Current − µ A
2
1.5
1
0
0
200
400
2.5
3
600
800
TA = 25°C
TA = 85°C
0.5
TA = 125°C
VDD = 3 V
TA = − 40°C
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.




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