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OPA643U

OPA643U

OPA643U

Rochester Electronics, LLC

19μA 85 dB Instrumentational OP Amps 40μA ±4.5V~5.5V 8 Pins 8-SOIC (0.154, 3.90mm Width)

SOT-23

OPA643U Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface MountYES
Operating Temperature-40°C~85°C
PackagingTube
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 8
Terminal Finish NOT SPECIFIED
Subcategory Operational Amplifier
Technology BIPOLAR
Terminal Position DUAL
Terminal FormGULL WING
Number of Functions 1
Supply Voltage 5V
Pin Count8
JESD-30 Code R-PDSO-G8
Qualification StatusCOMMERCIAL
Number of Circuits 1
Current - Supply 20mA
Slew Rate1000V/μs
Amplifier Type Voltage Feedback
Common Mode Rejection Ratio 85 dB
Current - Input Bias 19μA
Voltage - Supply, Single/Dual (±) ±4.5V~5.5V
Gain Bandwidth Product800MHz
Neg Supply Voltage-Nom (Vsup) -5V
Unity Gain BW-Nom 800000 kHz
Average Bias Current-Max (IIB) 40μA
Supply Voltage Limit-Max 6V
Voltage - Input Offset 2.5mV
Current - Output / Channel 60mA
Neg Supply Voltage-Max (Vsup) -6V
Length 4.9mm
RoHS StatusNon-RoHS Compliant
In-Stock:2513 items

OPA643U Product Details

OPA643U Overview


Packaged in a 8-SOIC (0.154, 3.90mm Width) case, the buffer op amp is ready to use. An op amp ic of the Voltage Feedback type. The op amp is delivered to you in a Tube case. There is a growing number of terminations approaching the number of 8. The pins on this board total to 8 in total. I would like to remind you that this buffer op amp should be powered by an 5V battery. I would like to specify that this buffer amplifier belongs to the Operational Amplifier-type of devices. The mounting type that is recommended for this electrical part is Surface Mount. In relation to the operating temperature of this buffer op amp, it works well at an average of -40°C~85°C . During the manufacturing process, this buffer amplifier is divided into 1 circuits. As a result, it is recommended that a power supply of 20mA be used with this electronic part.

OPA643U Features


8 Pins
supply voltage of 5V


OPA643U Applications


There are a lot of Rochester Electronics, LLC
OPA643U Instrumentational OP Amps applications.


  • Integrator circuits
  • Differentiator circuits
  • Logarithmic operation circuits
  • Exponential operation circuits
  • Multiplication circuits
  • Division circuits
  • Precision measurement
  • Power control
  • Information processing
  • Weak signal detection

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