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OPA445BM - Texas Instruments

Description: Op Amp Single High Voltage Amplifier ±45V 8-Pin TO-99 Tube

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OPA445BM - Texas Instruments PCB footprint - Other - Other - OPA445BM-4
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OPA445BM Details

  • Manufacturer Part Number:

    OPA445BM

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-99

  • Pin Count:

    8

  • 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):

    0.01 µA

  • Bias Current-Max (IIB) @25C:

    0.00005 µA

  • Common-mode Reject Ratio-Min:

    80 dB

  • Common-mode Reject Ratio-Nom:

    95 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.005 µA

  • Input Offset Voltage-Max:

    3000 µV

  • JESD-30 Code:

    O-MBCY-W8

  • JESD-609 Code:

    e4

  • Length:

    9.08 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Neg Supply Voltage Limit-Max:

    -50 V

  • Neg Supply Voltage-Nom (Vsup):

    -40 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    METAL

  • Package Code:

    TO-99

  • Package Equivalence Code:

    CAN8,.2

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Packing Method:

    TUBE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.72 mm

  • Slew Rate-Min:

    5 V/us

  • Slew Rate-Nom:

    15 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    4.7 mA

  • Supply Voltage Limit-Max:

    50 V

  • Supply Voltage-Nom (Vsup):

    40 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    WIRE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    BOTTOM

  • Unity Gain BW-Nom:

    2000

  • Voltage Gain-Min:

    71000

  • Wideband:

    NO

  • Width:

    9.08 mm

OPA445BM Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA445BM is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • To ensure stability, it's essential to follow proper PCB layout practices, minimize parasitic capacitance, and use a compensation capacitor (if necessary) as recommended in the datasheet. Additionally, consider using a phase margin analyzer tool to verify stability.
  • The recommended input impedance for the OPA445BM is between 1kΩ and 100kΩ. This range ensures optimal performance, noise reduction, and stability.
  • Yes, the OPA445BM is rated for operation up to 125°C. However, it's essential to consider the derating of the maximum power dissipation and the potential for reduced performance at high temperatures.
  • To protect the OPA445BM from ESD, use proper handling and storage procedures, such as using anti-static wrist straps, mats, and bags. Additionally, consider adding ESD protection circuits or devices in your design.

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OPA445BM 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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