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AD7780BRZ-REEL - Analog Devices

Description: 24-Bit, Pin-Programmable, Ultralow Power Sigma-Delta ADC

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AD7780BRZ-REEL - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-14 (SOIC)
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AD7780BRZ-REEL - Analog Devices - 3D model - Small Outline Packages - R-14 (SOIC)
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AD7780BRZ-REEL Details

  • Manufacturer Part Number:

    AD7780BRZ-REEL

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    R-14

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    5 V

  • Analog Input Voltage-Min:

    -5 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G14

  • Length:

    8.65 mm

  • Linearity Error-Max (EL):

    0.0006%

  • Number of Analog In Channels:

    1

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    OFFSET BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

AD7780BRZ-REEL Frequently Asked Questions (FAQs)

  • The AD7780BRZ-REEL is a high-precision ADC, and its performance can be affected by the PCB layout and component placement. It is recommended to follow the layout guidelines provided in the datasheet, including keeping the analog and digital grounds separate, using a solid ground plane, and placing the ADC close to the analog signal sources. Additionally, it is recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise and interference.
  • The AD7780BRZ-REEL has an internal calibration mechanism that can be initiated through the CAL pin. The calibration process involves shorting the CAL pin to the digital ground (DGND) for a minimum of 100 ns. This will initiate a self-calibration sequence that will adjust the ADC's offset and gain errors. It is recommended to perform calibration after power-up and whenever the ADC is reset.
  • The maximum sampling rate of the AD7780BRZ-REEL is 30 kSPS (kilo-samples per second). However, the actual sampling rate may be limited by the system's clock frequency, the ADC's conversion time, and the settling time of the analog input signal. It is recommended to consult the datasheet and the application notes for more information on the ADC's timing and sampling rate limitations.
  • Yes, the AD7780BRZ-REEL can be used with an external reference voltage. The ADC has a dedicated reference input pin (REFIN) that can be connected to an external reference voltage source. The external reference voltage should be within the specified range of 2.5 V to 5.5 V, and it should be stable and noise-free to ensure accurate ADC conversions.
  • The AD7780BRZ-REEL has a power-on reset (POR) and brown-out reset (BOR) circuitry that resets the ADC when the power supply voltage falls below a certain threshold. To handle POR and BOR, it is recommended to use a power supply with a stable and regulated output voltage, and to ensure that the power supply voltage is within the specified range of 2.7 V to 5.5 V. Additionally, it is recommended to use a reset circuit or a microcontroller to monitor the power supply voltage and reset the ADC when necessary.

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AD7780BRZ-REEL 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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