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AD7908WYRUZ-REEL7 - Analog Devices

Description: 8-Channel Single ADC SAR 1Msps 8-bit Serial Automotive 20-Pin TSSOP T/R

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AD7908WYRUZ-REEL7 - Analog Devices - PCB symbol
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AD7908WYRUZ-REEL7 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RU-20 (TSSOP)
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AD7908WYRUZ-REEL7 - Analog Devices - 3D model - Small Outline Packages - RU-20 (TSSOP)
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AD7908WYRUZ-REEL7 Details

  • Manufacturer Part Number:

    AD7908WYRUZ-REEL7

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-153AC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    RU-20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5 V

  • Conversion Time-Max:

    0.8 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Linearity Error-Max (EL):

    0.0781%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    8

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    1 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

AD7908WYRUZ-REEL7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the AD7908 involves keeping the analog and digital sections separate, using a solid ground plane, and minimizing noise coupling. A 4-layer PCB with a dedicated analog ground plane and a separate digital ground plane is recommended. Additionally, keep the analog input traces short and away from digital traces.
  • To ensure accurate temperature measurement, calibrate the AD7908 using a precision temperature source, and ensure that the thermistor or temperature sensor is properly connected and matched to the AD7908's input range. Also, consider using a thermistor with a high accuracy and low thermal time constant.
  • The maximum cable length for the AD7908's analog input signals depends on the specific application and the noise environment. As a general rule, keep the cable length as short as possible (less than 10 inches) to minimize noise pickup and signal degradation. If longer cables are necessary, use shielded cables and consider adding filters or buffers to reduce noise.
  • The AD7908 is specified to operate from 2.7V to 5.5V, but it's recommended to use a 3.3V power supply for optimal performance. Using a 5V power supply may result in increased power consumption and reduced accuracy. If a 5V power supply is necessary, ensure that the AD7908 is properly decoupled and that the power supply noise is minimized.
  • To handle EMI with the AD7908, use a shielded enclosure, keep the analog and digital sections separate, and use a solid ground plane. Additionally, use EMI filters or ferrite beads on the input and output lines, and consider using a common-mode choke to reduce EMI radiation.

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AD7908WYRUZ-REEL7 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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