Datasheets
OPA656N/250G4 by: Texas Instruments

Wideband, Unity Gain Stable FET-Input Operational Amplifier 5-SOT-23 -40 to 85

Part Details for OPA656N/250G4 by Texas Instruments

Results Overview of OPA656N/250G4 by Texas Instruments

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Applications Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Automotive

OPA656N/250G4 Information

OPA656N/250G4 by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Price & Stock for OPA656N/250G4

Part # Distributor Description Stock Price Buy
Win Source Electronics Wideband, Unity-Gain Stable, FET-Input Operational Amplifier 2700
  • 1 $50.8700
  • 3 $41.7400
  • 4 $40.4350
  • 6 $39.1310
  • 7 $37.8270
  • 9 $33.9130
$33.9130 / $50.8700 Buy Now

Part Details for OPA656N/250G4

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OPA656N/250G4 Part Data Attributes

OPA656N/250G4 Texas Instruments
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OPA656N/250G4 Texas Instruments Wideband, Unity Gain Stable FET-Input Operational Amplifier 5-SOT-23 -40 to 85
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOT-23
Package Description SOT-23, 5 PIN
Pin Count 5
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.33.00.01
Samacsys Manufacturer Texas Instruments
Amplifier Type OPERATIONAL AMPLIFIER
Architecture VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB) 0.00125 µA
Bias Current-Max (IIB) @25C 0.000005 µA
Common-mode Reject Ratio-Min 80 dB
Common-mode Reject Ratio-Nom 84 dB
Input Offset Voltage-Max 600 µV
JESD-30 Code R-PDSO-G5
JESD-609 Code e4
Length 2.9 mm
Moisture Sensitivity Level 2
Neg Supply Voltage Limit-Max -6.5 V
Neg Supply Voltage-Nom (Vsup) -5 V
Number of Functions 1
Number of Terminals 5
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code LSSOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.45 mm
Slew Rate-Nom 290 V/us
Supply Current-Max 16 mA
Supply Voltage Limit-Max 6.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade INDUSTRIAL
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 0.95 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Unity Gain BW-Nom 230000000
Width 1.6 mm

Alternate Parts for OPA656N/250G4

This table gives cross-reference parts and alternative options found for OPA656N/250G4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of OPA656N/250G4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
OPA656N/250 Texas Instruments $7.3160 Wideband, Unity Gain Stable FET-Input Operational Amplifier 5-SOT-23 -40 to 85 OPA656N/250G4 vs OPA656N/250

OPA656N/250G4 Frequently Asked Questions (FAQ)

  • Texas Instruments recommends a layout with a symmetrical, star-grounded configuration, with the op-amp inputs and outputs routed away from noise sources and high-current paths. A solid ground plane and decoupling capacitors close to the op-amp pins are also recommended.

  • The gain resistors should be chosen based on the desired gain and bandwidth of the amplifier. A higher gain requires smaller resistors, but may also increase noise and reduce stability. TI provides a gain resistor calculator tool to help with this selection.

  • The maximum power dissipation of OPA656N/250G4 is 1.4W, which is limited by the package thermal resistance and the maximum junction temperature. The actual power dissipation will depend on the operating conditions, such as supply voltage, output current, and ambient temperature.

  • Yes, OPA656N/250G4 can be used as a unity-gain buffer, but it's not the most optimal configuration. The op-amp has a high input impedance and a low output impedance, making it suitable for non-inverting amplifier configurations. For a unity-gain buffer, a dedicated buffer op-amp like the OPA633 may be a better choice.

  • TI recommends using ESD protection diodes and overvoltage protection circuits to prevent damage to the op-amp. The input pins should be protected with diodes or resistors to limit the voltage and current during ESD events or overvoltage conditions.

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