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AD7945BRSZ - Analog Devices

Description: Analog Devices AD7945BRSZ, 12 bit Parallel DAC, 1.7Msps, 20-Pin SSOP

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AD7945BRSZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RS-20
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AD7945BRSZ Details

  • Manufacturer Part Number:

    AD7945BRSZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    SSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    RS-20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY, OFFSET BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    7.2 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Settling Time-Max:

    0.6 µs

  • Settling Time-Nom (tstl):

    0.6 µs

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    5.3 mm

AD7945BRSZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the AD7945BRSZ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces. Additionally, it's recommended to use a low-pass filter on the analog input pins to reduce noise.
  • The AD7945BRSZ has an internal calibration circuit that can be enabled by setting the CAL bit in the control register. The device can also be calibrated externally by applying a known voltage to the analog input pins and adjusting the offset and gain registers accordingly.
  • The maximum sampling rate of the AD7945BRSZ is 250 kSPS. The power consumption of the device increases with the sampling rate, so it's recommended to use the lowest sampling rate necessary for the application to minimize power consumption.
  • The AD7945BRSZ has internal overvoltage protection on the analog input pins, but it's still recommended to use external protection circuitry, such as voltage-limiting resistors or diodes, to prevent damage from overvoltage conditions.
  • The recommended power-up sequence for the AD7945BRSZ is to apply the analog supply voltage (VCC) first, followed by the digital supply voltage (VDD), and then the clock signal. This ensures that the device powers up in a controlled manner and minimizes the risk of latch-up or other issues.

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AD7945BRSZ 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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