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MT8870DE - Zarlink Semiconductor

Description: Zarlink Semiconductor MT8870DE, DTMF Signalling Receiever, 3.58MHz 3mA, 4.75 → 5.25 V, 18-Pin PDIP

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MT8870DE - Zarlink Semiconductor PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 18-PIN PDIP
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MT8870DE - Zarlink Semiconductor  - 3D model - Dual-In-Line Packages - 18-PIN PDIP
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MT8870DE Details

  • Manufacturer Part Number:

    MT8870DE

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    PLASTIC, MS-001AC, DIP-18

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Zarlink Semiconductor Inc

  • YTEOL:

    0

  • JESD-30 Code:

    R-PDIP-T18

  • JESD-609 Code:

    e0

  • Length:

    22.86 mm

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP18,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max:

    9 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Telecom IC Type:

    DTMF SIGNALING CIRCUIT

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

MT8870DE Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the analog voltage (AVDD). This ensures proper device operation and prevents latch-up.
  • Optimization involves selecting the correct clock frequency, adjusting the gain and filter settings, and ensuring proper PCB layout and decoupling. Consult the datasheet and application notes for specific guidance.
  • The maximum clock frequency is 512 kHz, but it's recommended to operate at 256 kHz or lower for optimal performance and to minimize power consumption.
  • The MT8870DE outputs 14-bit signed binary data. Ensure your microcontroller or processor can handle this format, and consider using a signed 16-bit integer to store the output values.
  • The internal voltage regulator generates a stable 2.5V supply for the analog circuitry, ensuring optimal performance and reducing the need for external voltage regulation.

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