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LTC1855CG#TRPBF - Analog Devices

Description: 8-Channel, ±10V Input 14-Bit, 100ksps ADC Converter with Shutdown

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LTC1855CG#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - G Package
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LTC1855CG#TRPBF Details

  • Manufacturer Part Number:

    LTC1855CG#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1640 (G28)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog Input Voltage-Max:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    5 µs

  • Converter Type:

    ADC, PROPRIETARY METHOD

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    10.2 mm

  • Linearity Error-Max (EL):

    0.0092%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    8

  • Number of Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.1 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2 mm

  • Supply Current-Max:

    12 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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:

    5.3 mm

LTC1855CG#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1855CG involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the analog components close to the IC. A 4-layer PCB with a dedicated analog ground layer is recommended. Additionally, the datasheet provides a recommended layout diagram that can be used as a reference.
  • To ensure accurate conversion results, it is essential to follow proper layout and grounding techniques, use a low-noise power supply, and minimize digital noise coupling into the analog circuitry. Additionally, the input signal should be properly filtered and buffered, and the reference voltage should be stable and accurate.
  • The maximum sampling rate of the LTC1855CG is 400ksps. However, the actual sampling rate may be limited by the system's clock frequency, the input signal's bandwidth, and the desired signal-to-noise ratio.
  • Yes, the LTC1855CG can be used in a multiplexed configuration. The IC has a built-in track-and-hold amplifier that allows it to sample multiple channels. However, the multiplexing rate should be limited to ensure that the settling time of the track-and-hold amplifier is not compromised.
  • The LTC1855CG's internal registers can be programmed using a 3-wire serial interface (SCK, SDI, and SDO). The datasheet provides a detailed description of the register map and the programming sequence. Additionally, Analog Devices provides a software development kit (SDK) that includes example code and a GUI-based programming tool.

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LTC1855CG#TRPBF 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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