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AD7870LPZ - Analog Devices

Description: Single Channel Single ADC SAR 100ksps 12-bit Parallel/Serial 28-Pin PLCC Tube

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AD7870LPZ - Analog Devices - PCB symbol
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AD7870LPZ - Analog Devices PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - 28-Lead Plastic Leaded Chip Carrier [PLCC] (P-28)
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AD7870LPZ - Analog Devices - 3D model - Plastic Leaded Chip Carrier - 28-Lead Plastic Leaded Chip Carrier [PLCC] (P-28)
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AD7870LPZ Details

  • Manufacturer Part Number:

    AD7870LPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    LCC

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MO-047AB, LCC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    P-28A

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    3 V

  • Analog Input Voltage-Min:

    -3 V

  • Conversion Time-Max:

    9 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQCC-J28

  • JESD-609 Code:

    e3

  • Length:

    11.5062 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL, PARALLEL, 8 BITS, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC28,.5SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.1 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    4.57 mm

  • Supply Current-Max:

    13 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Width:

    11.5062 mm

AD7870LPZ Frequently Asked Questions (FAQs)

  • The AD7870LPZ is a high-precision ADC, and its performance can be affected by the PCB layout and component placement. It is recommended to follow a star-grounding scheme, keep the analog and digital grounds separate, and place the ADC close to the analog signal sources. Additionally, decoupling capacitors should be placed close to the power pins, and the digital lines should be kept away from the analog lines.
  • The AD7870LPZ has an internal calibration mechanism that can be initiated by setting the CAL bit in the control register. The calibration process involves a self-calibration sequence that adjusts the ADC's offset and gain errors. The calibration process can be initiated at power-up or during normal operation. It is recommended to consult the datasheet for the specific calibration procedure.
  • The maximum sampling rate of the AD7870LPZ is 125 kSPS (kilo-samples per second). However, the actual sampling rate may be limited by the system clock frequency, the conversion mode, and the interface mode. It is recommended to consult the datasheet for the specific sampling rate limitations.
  • Yes, the AD7870LPZ can be used with an external reference voltage. The ADC has a dedicated reference input pin (REFIN) that can be connected to an external reference voltage source. The external reference voltage should be within the specified range (2.5 V to 5.5 V) and should be stable and noise-free.
  • The AD7870LPZ outputs 12-bit or 16-bit digital data, depending on the mode of operation. The output data can be accessed through the SPI or I2C interface. The data should be read in the correct byte order (MSB or LSB first) and should be processed according to the specific application requirements.

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AD7870LPZ 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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AD7870LPZ Alternates

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Image Part Number Model
Part Image AD7870LP Analog Devices Inc

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits, Parallel, Word Access, CMOS, PQCC28