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PCM1861DBT - Texas Instruments

Description: 110dB 2-Channel Hardware-Controlled Audio ADC With Universal Front End

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PCM1861DBT - Texas Instruments - PCB symbol
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PCM1861DBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0030A
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PCM1861DBT - Texas Instruments - 3D model - Small Outline Packages - DBT0030A
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PCM1861DBT Details

  • Manufacturer Part Number:

    PCM1861DBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-30

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    4 V

  • Analog Input Voltage-Min:

    -0.0195 V

  • Converter Type:

    ADC, PROPRIETARY METHOD

  • JESD-30 Code:

    R-PDSO-G30

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    2

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    30

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP30,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    0.192 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    3.3 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

PCM1861DBT Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VCC, and then the analog power supplies (AVDD and DVDD). This ensures proper device operation and prevents latch-up.
  • The analog input filter should be designed to reject noise and aliasing. A 3rd-order Butterworth filter with a cutoff frequency of 20 kHz to 30 kHz is recommended. The filter should also be designed to match the impedance of the input signal.
  • The recommended clocking scheme is to use a single clock source for both the analog-to-digital converter (ADC) and the digital signal processor (DSP). The clock frequency should be at least 256 times the sampling frequency.
  • Clock jitter can be minimized by using a high-quality clock source, such as a crystal oscillator, and by using a clock buffer to isolate the clock signal from noise. Additionally, the PCM1861DBT has a built-in clock jitter attenuator that can be enabled to reduce the effects of clock jitter.
  • The recommended layout and routing for the PCM1861DBT involves separating the analog and digital power supplies, using a star-ground configuration, and minimizing the length of the analog input traces. Additionally, the digital output traces should be routed away from the analog input traces to minimize noise coupling.

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PCM1861DBT Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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PCM1861DBT Alternates

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Part Image PCM1861DBTR Texas Instruments

ADC, Proprietary Method, 24-Bit, 1 Func, 2 Channel, Serial Access, PDSO30