Document
TLV2432, TLV2432A, TLV2434, TLV2434A Advanced LinCMOS RAIL-TO-RAIL OUTPUT WIDE-INPUT-VOLTAGE OPERATIONAL AMPLIFIERS
SLOS168F – NOVEMBER 1996 – REVISED MARCH 2001
D Output Swing Includes Both Supply Rails D Extended Common-Mode Input Voltage
Range . . . 0 V to 4.5 V (Min) with 5-V Single Supply
D No Phase Inversion D Low Noise . . . 18 nV/√Hz Typ at f = 1 kHz D Low Input Offset Voltage
950 µV Max at TA = 25°C (TLV243xA)
D Low Input Bias Current . . . 1 pA Typ
description
The TLV243x and TLV243xA are low-voltage operational amplifier from Texas Instruments. The common-mode input voltage range for each device is extended over the typical CMOS amplifiers making them suitable for a wide range of applications. In addition, these devices do not phase invert when the common-mode input 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. The TLV243x only requires 100 µA (typ) of supply current per channel, making it ideal for battery-powered applications. The TLV243x also has increased output drive over previous rail-to-rail operational amplifiers and can drive 600-Ω loads for telecom applications.
D Very Low Supply Current . . . 125 µA Per
Channel Max
D 600-Ω Output Drive D Macromodel Included D Available in Q-Temp Automotive
HighRel Automotive Applications Configuration Control / Print Support Qualification to Automotive Standards
HIGH-LEVEL OUTPUT VOLTAGE vs
HIGH-LEVEL OUTPUT CURRENT
5
VDD = 5 V
4
VOOHH – High-Level Output Voltage – V
3 TA = 125°C
2
ÁÁÁÁÁÁ 1
TA = 85°C TA = 25°C TA =–40°C
0
0
m 4
8
12
16
IOH – High-Level Output Current – A
20
Figure 1
The other members in the TLV243x family are the high-power, TLV244x, and micro-power, TLV2422, versions.
The TLV243x, 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 TLV243xA is available and has a maximum input offset voltage of 950 µV.
If the design requires single operational amplifiers, see the TI TLV2211/21/31. This is a family of rail-to-rail output 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 se.