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LM2904WDT - STMicroelectronics

Description: General Purpose Amplifier 2 Circuit Single-Ended 8-SOIC

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LM2904WDT - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO8 package outline
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LM2904WDT Details

  • Manufacturer Part Number:

    LM2904WDT

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MICRO, PLASTIC, SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.2 µA

  • Bias Current-Max (IIB) @25C:

    0.15 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    85 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    9000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    32 V

  • Number of Functions:

    8

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °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-Min:

    0.3 V/us

  • Slew Rate-Nom:

    0.6 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    2 mA

  • Supply Voltage Limit-Max:

    32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Unity Gain BW-Nom:

    1100

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    3.9 mm

LM2904WDT Frequently Asked Questions (FAQs)

  • The WDIN pin is used to reset the watchdog timer. When the WDIN pin is driven high, the watchdog timer is reset, and the countdown starts again from the beginning.
  • The watchdog timer period is set by connecting a resistor and capacitor between the REXT and CEXT pins. The formula to calculate the period is: T = 1.4 * REXT * CEXT. The recommended values for REXT and CEXT are 10 kΩ and 100 nF, respectively, which result in a period of approximately 1.4 seconds.
  • If the watchdog timer expires, the WDO pin goes high, and the reset signal is asserted, which resets the microcontroller or system. This is a safety feature to prevent the system from getting stuck in an infinite loop or malfunctioning.
  • Yes, the LM2904WDT can operate with a power supply voltage as low as 2.5V and as high as 5.5V. However, the device's performance and accuracy may be affected at lower voltage levels.
  • The watchdog timer can be disabled by driving the WDIN pin low. This will prevent the timer from counting down and triggering a reset.

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LM2904WDT Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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