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OPA4191IRUMR - Texas Instruments

Description: Operational Amplifiers - Op Amps Low-power, precision, 36-V, CMOS amplifier 16-WQFN -40 to 125

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PCB Footprints
OPA4191IRUMR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RUM(S-PQFN-N16)
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3D Models
OPA4191IRUMR - Texas Instruments  - 3D model - Quad Flat No-Lead - RUM(S-PQFN-N16)
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OPA4191IRUMR Details

  • Manufacturer Part Number:

    OPA4191IRUMR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2017-07-21

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.009 µA

  • Bias Current-Max (IIB) @25C:

    0.00002 µA

  • Common-mode Reject Ratio-Min:

    120 dB

  • Common-mode Reject Ratio-Nom:

    140 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    25 µV

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -3 V

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    0.8 mm

  • Slew Rate-Nom:

    5.5 V/us

  • Supply Current-Max:

    0.8 mA

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

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

    30

  • Unity Gain BW-Nom:

    2500

  • Voltage Gain-Min:

    316227

  • Wideband:

    NO

  • Width:

    4 mm

OPA4191IRUMR Frequently Asked Questions (FAQs)

  • A good PCB layout for the OPA4191 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. TI provides a recommended layout in the datasheet.
  • The choice of gain resistors depends on the desired gain and bandwidth. TI provides a gain resistor calculator tool to help with this. Additionally, the datasheet provides guidelines for selecting gain resistors based on the desired gain and bandwidth.
  • The maximum power dissipation of the OPA4191 is 1.4W. However, this can be limited by the thermal resistance of the package and the PCB. TI provides thermal resistance data in the datasheet to help with thermal design.
  • Yes, the OPA4191 can be used as a unity-gain buffer. However, it's essential to ensure that the input impedance is matched to the source impedance to avoid signal attenuation. Additionally, the output impedance should be considered when driving a load.
  • The OPA4191 has a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), which helps to reject noise and interference. Additionally, using proper PCB layout techniques, such as separating analog and digital grounds, and using shielding and filtering components can help to reduce noise and interference.

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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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Part Image OPA4191IRUMT Texas Instruments

Operational Amplifier, 4 Func, 25uV Offset-Max, CMOS, PQCC16