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OPA137UA/2K5 - Texas Instruments

Description: Low Cost FET-Input Operational Amplifiers

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OPA137UA/2K5 Details

  • Manufacturer Part Number:

    OPA137UA/2K5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mainland China, Malaysia, Mexico, Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.0001 µA

  • Bias Current-Max (IIB) @25C:

    0.0001 µA

  • Common-mode Reject Ratio-Min:

    76 dB

  • Common-mode Reject Ratio-Nom:

    84 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00005 µA

  • Input Offset Voltage-Max:

    3000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    3.5 V/us

  • Supply Current-Max:

    0.27 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIFET

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    20000

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA137UA/2K5 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a layout that minimizes parasitic capacitance and inductance, with a solid ground plane and short lead lengths. A 4-layer PCB with a dedicated analog ground plane is recommended. See the TI application note 'AN-1169: PCB Layout for Switching Regulators and Op Amps' for more details.
  • To ensure stability, use a compensation capacitor (Cc) between the output and the inverting input pins. The value of Cc depends on the gain and bandwidth requirements. A good starting point is 10-22pF. Additionally, ensure that the feedback resistors are low enough to maintain a stable phase margin. See the TI application note 'AN-1489: Stability Analysis of Op Amp Circuits' for more details.
  • The maximum power dissipation of OPA137UA/2K5 is 670mW. However, this value can be limited by the thermal resistance of the package and the PCB. Ensure that the device is properly heat-sinked and that the PCB is designed to dissipate heat efficiently.
  • Yes, OPA137UA/2K5 can be used in a single-supply configuration. However, the input common-mode range is limited to VCC-1.5V to VCC+0.5V. Ensure that the input signal is within this range to maintain proper operation.
  • The recommended input capacitance is 10-100nF, and the recommended output capacitance is 10-100nF. However, the optimal value depends on the specific application and frequency response requirements. See the TI application note 'AN-1489: Stability Analysis of Op Amp Circuits' for more details.

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OPA137UA/2K5 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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