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OPA2191IDGKT - Texas Instruments

Description: Low-Power, Precision, 36-V, e-trim™­ CMOS Amplifier

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OPA2191IDGKT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK  (S-PDSO-G8)
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OPA2191IDGKT - Texas Instruments  - 3D model - Small Outline Packages - DGK  (S-PDSO-G8)
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OPA2191IDGKT Details

  • Manufacturer Part Number:

    OPA2191IDGKT

  • 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-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -3 V

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    5.5 V/us

  • Supply Current-Max:

    0.4 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    2500

  • Voltage Gain-Min:

    316227

  • Wideband:

    NO

  • Width:

    3 mm

OPA2191IDGKT Frequently Asked Questions (FAQs)

  • A good PCB layout for OPA2191IDGKT 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. A 4-layer PCB with a dedicated analog ground plane is recommended.
  • The choice of gain resistors depends on the desired gain and bandwidth. A good starting point is to use the gain resistor values recommended in the datasheet. For non-standard gains, use the gain equation provided in the datasheet to calculate the required resistor values.
  • The maximum power dissipation of OPA2191IDGKT is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, this value can be derated for higher ambient temperatures.
  • Yes, OPA2191IDGKT 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 of the device should be considered when driving a load.
  • To filter out noise and interference, use a combination of passive and active filtering techniques. Add bypass capacitors to the power supply lines, and consider adding a low-pass filter or a notch filter to reject specific frequency bands. Shielding and grounding techniques can also help reduce electromagnetic interference.

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OPA2191IDGKT 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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