TLV2731 Single LinCMOS™ rail-to-rail low-power op amp | TI.com

TLV2731
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Single LinCMOS™ rail-to-rail low-power op amp

 

Description

The TLV2731 is a single low-voltage operational amplifier available in the SOT-23 package. It offers 2 MHz of bandwidth and 1.6 V/us of slew rate for applications requiring good ac performance. The device exhibits rail-to-rail output performance for increased dynamic range in single or split supply applications. The TLV2731 is fully characterized at 3 V and 5 V and is optimized for low-voltage applications.

The TLV2731, exhibiting high input impedance and low noise, is excellent for small-signal conditioning of high-impedance sources, such as piezoelectric transducers. Because of the micropower 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). The device can also drive 600- loads for telecom applications.

With a total area of 5.6mm2, the SOT-23 package only requires one-third the board space of the standard 8-pin SOIC package. This ultra-small package allows designers to place single amplifiers very close to the signal source, minimizing noise pick-up from long PCB traces.

Features

  • Output Swing Includes Both Supply Rails
  • Low Noise...15 nV/Hz\ Typ at f = 1 kHz
  • Low Input Bias Current...1 pA Typ
  • Fully Specified for Single-Supply 3-V and 5-V Operation
  • Common-Mode Input Voltage Range Includes Negative Rail
  • High Gain Bandwidth...2 MHz at
    VDD = 5 V with 600 Load
  • High Slew Rate...1.6 V/us at VDD = 5 V
  • Wide Supply Voltage Range
    2.7 V to 10 V
  • Macromodel Included

    Advanced LinCMOS is a trademark of Texas Instruments.

Parametrics

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Part number Order Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Offset drift (Typ) (uV/C) Features Input bias current (Max) (pA) CMRR (Typ) (dB) Output current (Typ) (mA) Architecture
TLV2731 Order now 1     2.7     10     2     1.6     In to V-
Out    
3     0.85     15     Catalog     -40 to 85
0 to 70    
SOT-23 | 5     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)     0.5         60     70     14     CMOS