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OPA3681U

OPA3681U

OPA3681U

Texas Instruments

3 Channels 65μA 45 dB Instrumentational OP Amps 5V 16 Pins SOIC

SOT-23

OPA3681U Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Package / Case SOIC
Number of Pins 16
PackagingRail/Tube
Pbfree Code no
Number of Terminations 16
ECCN Code EAR99
Max Operating Temperature85°C
Min Operating Temperature -40°C
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) NOT SPECIFIED
Number of Functions 3
Supply Voltage 5V
Terminal Pitch1.27mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count16
Qualification StatusNot Qualified
Operating Supply Voltage5V
Temperature GradeINDUSTRIAL
Number of Channels 3
Max Supply Voltage12V
Supply Current-Max 19.8mA
Slew Rate830 V/μs
Architecture CURRENT-FEEDBACK
Amplifier Type OPERATIONAL AMPLIFIER
Common Mode Rejection Ratio 45 dB
Current - Input Bias 65μA
Input Offset Voltage (Vos) 5mV
Neg Supply Voltage-Nom (Vsup) -5V
Unity Gain BW-Nom 280000 kHz
Power Supply Rejection Ratio (PSRR) 48dB
Low-Offset NO
Frequency CompensationYES
Max Dual Supply Voltage6V
Bias Current-Max (IIB) @25C 0.04μA
Dual Supply Voltage 5V
Wideband YES
Length 9.9mm
Height Seated (Max) 1.75mm
RoHS StatusRoHS Compliant
Lead Free Contains Lead
In-Stock:2483 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.55000$2.55
500$2.5245$1262.25
1000$2.499$2499
1500$2.4735$3710.25
2000$2.448$4896
2500$2.4225$6056.25

OPA3681U Product Details

OPA3681U Overview


Packaging for the buffer amplifier is in the form of a SOIC case. A OPERATIONAL AMPLIFIER-type buffer amplifier is shown here. There is a Rail/Tube case that is delivered with the instrumentation amplifiers. A total of 16 terminations have been reported in the past few weeks. Buffer amplifier has a total of 16 pins on it. I would like you to keep in mind that this buffer amplifier needs to be run at a voltage of 5V. An 16-pin op amp ic is included in the package. With regards to the offset voltage of the input, buffer amplifier is rated at 5mV. 3 channels are available on the instrumentation amplifier. This op amp needs to be operated at a temperature of not less than -40°C degrees Celsius in order to function properly. You should not use op amp above 85°C degrees. The operating supply voltage of the buffer op amp is rated at 5V. Regarding the voltage of the supply, this electrical part can work from a voltage as low as 12V, and this is an excellent feature. This electronic part should be conducted with a dual supply voltage of 6V volts for this part.

OPA3681U Features


16 Pins
supply voltage of 5V


OPA3681U Applications


There are a lot of Texas Instruments
OPA3681U Instrumentational OP Amps applications.


  • single/dual op amp sum and difference circuits
  • Integrator circuits
  • Differentiator circuits
  • Logarithmic operation circuits
  • Exponential operation circuits
  • Multiplication circuits
  • Division circuits
  • Precision measurement
  • Power control
  • Information processing

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