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AD7949SCPZ-EP-R2 - Analog Devices

Description: 14-Bit, 8-Channel, 250 kSPS PulSAR ADC

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AD7949SCPZ-EP-R2 - Analog Devices - PCB symbol
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AD7949SCPZ-EP-R2 - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE_2023-8
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AD7949SCPZ-EP-R2 - Analog Devices - 3D model - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE_2023-8
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AD7949SCPZ-EP-R2 Details

  • Manufacturer Part Number:

    AD7949SCPZ-EP-R2

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LFCSP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    CP-20-10

  • Country Of Origin:

    Philippines

  • ECCN Code:

    3A001.A.2.C

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-05-02

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    2.053 V

  • Analog Input Voltage-Min:

    -2.043 V

  • Conversion Time-Max:

    2.2 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Linearity Error-Max (EL):

    1%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    0.25 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

AD7949SCPZ-EP-R2 Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the analog signal traces away from the digital signal traces. Additionally, use a low-ESR capacitor for the AVDD and DVDD pins, and keep the decoupling capacitors close to the pins.
  • The AD7949SCPZ-EP-R2 has an internal calibration circuit that can be enabled by setting the CAL bit in the control register. The device also has an internal voltage reference that can be calibrated using the VREFIN pin. It is recommended to follow the calibration procedure outlined in the datasheet to ensure accurate conversions.
  • The maximum sampling rate of the AD7949SCPZ-EP-R2 is 250 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the conversion time, and the settling time of the analog input signal.
  • The AD7949SCPZ-EP-R2 outputs 16-bit data in a twos-complement format. The output data can be handled by using a microcontroller or a digital signal processor to read the data from the SPI interface. The output data can be processed and formatted according to the system's requirements.
  • The power consumption of the AD7949SCPZ-EP-R2 is typically 15 mW at 3.3 V and 250 kSPS. To minimize power consumption, the device can be powered down when not in use, and the power-down mode can be controlled using the PDWN pin. Additionally, the device's power consumption can be reduced by reducing the clock frequency and the sampling rate.

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AD7949SCPZ-EP-R2 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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