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ADA4940-2ACPZ-R7 - Analog Devices

Description: Small signal bandwidth: 260 MHz Ultralow power 1.25mA Extremely low harmonic distortion −122 dB THD at 50 kHz −96 dB THD at 1 MHz Low input voltage noise: 3.9 nV/√Hz 0.35 mV maximum offset voltage Balanced outputs Settling time to 0.1%: 34 ns Rail-to-rail output: −VS + 0.1 V to +VS − 0.1 V Adjustable output common-mode voltage Flexible power supplies: 3 V to 7 V (LFCSP) Disable pin to reduce power consumption ADA4940-1 is available in LFCSP and SOIC packages

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ADA4940-2ACPZ-R7 - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 4-Lead Lead Frame Chip Scale Package [LFCSP] 4 mm × 4 mm Body*
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ADA4940-2ACPZ-R7 - Analog Devices  - 3D model - Quad Flat No-Lead - 4-Lead Lead Frame Chip Scale Package [LFCSP] 4 mm × 4 mm Body*
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ADA4940-2ACPZ-R7 Details

  • Manufacturer Part Number:

    ADA4940-2ACPZ-R7

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    LFCSP-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    CP-24-7

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    1.6 µA

  • Bias Current-Max (IIB) @25C:

    3.5 µA

  • Common-mode Reject Ratio-Min:

    86 dB

  • Common-mode Reject Ratio-Nom:

    119 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    350 µV

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    YES

  • Programmable Power:

    YES

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Slew Rate-Nom:

    95 V/us

  • Supply Current-Max:

    1.38 mA

  • Supply Voltage Limit-Max:

    8 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Voltage Gain-Min:

    0.99

  • Wideband:

    YES

  • Width:

    4 mm

ADA4940-2ACPZ-R7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADA4940-2ACPZ-R7 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To optimize the ADA4940-2ACPZ-R7's performance for high-frequency applications, use a low-ESR capacitor for decoupling, minimize the length of the input traces, and use a high-frequency-compatible PCB material. Additionally, consider using a differential amplifier configuration to reduce common-mode noise.
  • The ADA4940-2ACPZ-R7 is rated for operation from -40°C to 125°C, but the device's performance may degrade at extreme temperatures. It's recommended to operate the device within the -20°C to 85°C range for optimal performance.
  • Yes, the ADA4940-2ACPZ-R7 can be used in a single-supply configuration, but it's recommended to use an external voltage reference to set the output common-mode voltage. Additionally, the input signal range will be limited to the supply voltage minus the output voltage swing.
  • To troubleshoot common-mode noise issues with the ADA4940-2ACPZ-R7, check the PCB layout for noise coupling, ensure proper grounding and shielding, and use a common-mode filter or a differential amplifier configuration. Additionally, verify that the input signals are properly terminated and that the device is operated within its specified voltage range.

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ADA4940-2ACPZ-R7 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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