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AD7949BCPZ - Analog Devices

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

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AD7949BCPZ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - AD7949BCPZ
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AD7949BCPZ Details

  • Manufacturer Part Number:

    AD7949BCPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    LFCSP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    CP-20-10

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • 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:

    e3

  • 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:

    85 °C

  • Operating Temperature-Min:

    -40 °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

  • Qualification Status:

    Not Qualified

  • 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:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    4 mm

AD7949BCPZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the AD7949BCPZ 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.
  • To optimize the AD7949BCPZ's performance for low-frequency signals, it's recommended to use a higher gain setting, increase the sampling rate, and use a low-pass filter on the analog input pins to reduce noise. Additionally, using a chopper-stabilized amplifier can help to reduce the 1/f noise.
  • The maximum allowable input voltage range for the AD7949BCPZ is ±VREF, where VREF is the reference voltage. Typically, VREF is set to 2.5V or 5V, depending on the application. Exceeding this range can result in incorrect readings or even damage to the device.
  • The AD7949BCPZ's digital output data is typically 16-bit or 18-bit, depending on the mode of operation. The data can be handled using a SPI or parallel interface, and can be processed using a microcontroller or FPGA. It's recommended to use a FIFO or buffer to handle the data stream and ensure reliable data transfer.
  • The power consumption of the AD7949BCPZ varies depending on the mode of operation and the sampling rate. To reduce power consumption, it's recommended to use the lowest possible sampling rate, turn off the device when not in use, and use a low-power mode. Additionally, using a low-dropout regulator and minimizing the voltage supply can also help reduce power consumption.

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AD7949BCPZ 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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