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AD640BE - Analog Devices

Description: Logarithmic Amplifiers I.C. LOG AMP IC

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AD640BE Details

  • Manufacturer Part Number:

    AD640BE

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QLCC

  • Package Description:

    CERAMIC, LCC-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    E-20-1

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    LOG OR ANTILOG AMPLIFIER

  • Bandwidth-Nom:

    145 MHz

  • JESD-30 Code:

    S-CQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    8.89 mm

  • Neg Supply Voltage-Max (Vsup):

    -7.5 V

  • Neg Supply Voltage-Min (Vsup):

    -4.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Negative Input Voltage-Max:

    -2 V

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC20,.35SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Positive Input Voltage-Max:

    0.3 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.54 mm

  • Supply Current-Max (Isup):

    60 mA

  • Supply Voltage-Max (Vsup):

    7.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Width:

    8.89 mm

AD640BE Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the analog input signals. This ensures proper operation and prevents damage to the device.
  • To optimize the layout, keep the analog and digital grounds separate, use a solid ground plane, and keep the analog input traces short and away from digital signals. Also, use a low-ESR capacitor for the AVCC bypass capacitor.
  • The maximum allowable input voltage for the AD640BE is 5.5V, which is the absolute maximum rating. However, the recommended input voltage range is 0V to 4.5V to ensure accurate conversion.
  • The clock signal should be a low-jitter, 10-MHz to 40-MHz clock signal. The clock signal should be applied to the CLKIN pin, and the clock frequency should be chosen based on the desired conversion rate.
  • The NOISE pin is an internal noise reduction pin. Connecting this pin to AGND or a quiet analog ground can help reduce noise and improve the overall performance of the AD640BE.

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AD640BE 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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