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LT1994CMS8#TRPBF - Analog Devices

Description: High Speed Operational Amplifiers 70MHz Low Noise/Distortion Differential Amplifer

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LT1994CMS8#TRPBF - Analog Devices - PCB symbol
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LT1994CMS8#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8 8
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LT1994CMS8#TRPBF - Analog Devices - 3D model - Small Outline Packages - MS8 8
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LT1994CMS8#TRPBF Details

  • Manufacturer Part Number:

    LT1994CMS8#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1660

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    3 µA

  • Bias Current-Max (IIB) @25C:

    3 µA

  • Common-mode Reject Ratio-Min:

    55 dB

  • Common-mode Reject Ratio-Nom:

    85 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    3000 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -6.3 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Min:

    50 V/us

  • Slew Rate-Nom:

    65 V/us

  • Supply Current-Max:

    20 mA

  • Supply Voltage Limit-Max:

    6.3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    70000

  • Voltage Gain-Min:

    100000

  • Wideband:

    NO

  • Width:

    3 mm

LT1994CMS8#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1994 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure stability in high-gain configurations, it's essential to follow proper PCB layout guidelines, use a low-ESR output capacitor, and add a compensation capacitor (e.g., 10pF to 100pF) between the output and the inverting input. Additionally, consider adding a small resistor (e.g., 10Ω to 100Ω) in series with the output to improve stability.
  • The maximum power dissipation of the LT1994 is dependent on the package type and ambient temperature. For the MS8 package, the maximum power dissipation is approximately 1.4W at 25°C. To calculate power dissipation, use the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current.
  • Yes, the LT1994 can be used as a unity-gain buffer. However, it's essential to ensure that the input impedance is high enough to avoid loading the input signal. A resistor (e.g., 1kΩ to 10kΩ) in series with the input can help improve input impedance. Additionally, consider adding a small capacitor (e.g., 10pF to 100pF) between the output and the inverting input to improve stability.
  • To protect the LT1994 from overvoltage and overcurrent conditions, consider adding a voltage clamp (e.g., a zener diode or a TVS diode) between the input and ground, and a current-limiting resistor in series with the output. Additionally, ensure that the input and output capacitors are rated for the maximum expected voltage and current.

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LT1994CMS8#TRPBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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