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LT1970ACFE#PBF - Analog Devices

Description: Operational Amplifiers - Op Amps 500mA Power OA with Adj. Current Limit

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LT1970ACFE#PBF - Analog Devices - PCB symbol
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LT1970ACFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP20
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LT1970ACFE#PBF - Analog Devices - 3D model - Small Outline Packages - TSSOP20
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LT1970ACFE#PBF Details

  • Manufacturer Part Number:

    LT1970ACFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CA)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.6 µA

  • Common-mode Reject Ratio-Nom:

    105 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1000 µV

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.2 mm

  • Slew Rate-Nom:

    1.6 V/us

  • Supply Current-Max:

    13 mA

  • Supply Voltage Limit-Max:

    18 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:

    3600

  • Voltage Gain-Min:

    5000

  • Wideband:

    NO

  • Width:

    4.4 mm

LT1970ACFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1970 involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability in high-gain configurations, it's essential to follow the recommended compensation network and to use a low-ESR output capacitor. Additionally, the input and output capacitors should be placed close to the device, and the PCB layout should be optimized for minimal parasitic inductance and capacitance.
  • The maximum safe operating area (SOA) for the LT1970 is limited by the device's thermal and electrical constraints. The SOA is typically defined by the maximum output current, output voltage, and junction temperature. Refer to the datasheet for specific SOA graphs and limitations.
  • To protect the LT1970 from overvoltage and overcurrent conditions, use a voltage clamp or a transient voltage suppressor (TVS) at the input, and consider adding overcurrent protection using a fuse or a current-sensing resistor. Additionally, ensure that the output is properly decoupled and that the device is operated within its recommended operating conditions.
  • The recommended thermal management strategy for the LT1970 involves using a heat sink with a thermal resistance of less than 10°C/W, ensuring good airflow around the device, and keeping the device away from other heat sources. A thermal interface material (TIM) can also be used to improve heat transfer between the device and the heat sink.

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LT1970ACFE#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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