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LT1994IDD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT1994IDD#PBF - Differential Amplifier, Low Distortion, 1 Amplifiers, 2 mV, 70 MHz, -40 °C, 85 °C

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LT1994IDD#PBF - Analog Devices - PCB symbol
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LT1994IDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD PACKAGE
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LT1994IDD#PBF Details

  • Manufacturer Part Number:

    LT1994IDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LED FREE, PLASTIC, MO-229-WEED-1, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1698

  • 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:

    -45 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-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    NO

  • 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Slew Rate-Min:

    50 V/us

  • Slew Rate-Nom:

    65 V/us

  • Supply Current-Max:

    20.5 mA

  • Supply Voltage Limit-Max:

    6.3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    70000

  • Wideband:

    NO

  • Width:

    3 mm

LT1994IDD#PBF 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 IDD package, the maximum power dissipation is approximately 1.4W. 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 and output impedances are matched to prevent signal reflections. Additionally, consider adding a small resistor (e.g., 10Ω to 100Ω) in series with the output to improve stability and reduce oscillations.
  • To protect the LT1994 from overvoltage and overcurrent conditions, consider adding external protection components such as a voltage regulator, TVS diodes, and current-limiting resistors. Additionally, ensure that the input and output capacitors are rated for the maximum expected voltage and current.

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LT1994IDD#PBF 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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