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AD7770ACPZ - Analog Devices

Description: 8-Channel, 24-Bit, 32 kSPS Simultaneous Sampling ADC

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AD7770ACPZ - Analog Devices - PCB symbol
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PCB Footprints
AD7770ACPZ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE _2023
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3D Models
AD7770ACPZ - Analog Devices - 3D model - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE _2023
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AD7770ACPZ Details

  • Manufacturer Part Number:

    AD7770ACPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LFCSP-64

  • Pin Count:

    64

  • Manufacturer Package Code:

    CP-64-15

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2016-04-29

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    2.5 V

  • Analog Input Voltage-Min:

    -2.5 V

  • Conversion Time-Max:

    3.4 µs

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    S-XQCC-N64

  • JESD-609 Code:

    e3

  • Length:

    9 mm

  • Linearity Error-Max (EL):

    0.0017%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -1.65 V

  • Number of Analog In Channels:

    8

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC64,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Sample Rate:

    0.032 MHz

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom:

    1.65 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    9 mm

AD7770ACPZ Frequently Asked Questions (FAQs)

  • The AD7770ACPZ requires careful layout and routing to ensure optimal performance. A recommended layout is to keep the analog and digital sections separate, with the analog section placed close to the ADC inputs. The digital section should be placed away from the analog section to minimize digital noise coupling. Additionally, use a solid ground plane and decouple the power supplies with 10uF and 100nF capacitors.
  • To optimize the AD7770ACPZ for low noise performance, ensure that the analog input signals are properly filtered and buffered. Use a low-pass filter with a cutoff frequency below the Nyquist frequency to remove high-frequency noise. Also, use a buffer amplifier with a low noise figure to drive the ADC inputs. Additionally, ensure that the power supplies are well-regulated and decoupled, and that the PCB layout is optimized for low noise.
  • The recommended clock frequency for the AD7770ACPZ is between 1MHz and 20MHz. However, the optimal clock frequency depends on the specific application and the desired sampling rate. A higher clock frequency can provide faster sampling rates, but may also increase power consumption and noise sensitivity.
  • The AD7770ACPZ has an internal calibration mode that can be used to optimize its performance. The calibration process involves applying a known input voltage and adjusting the internal offset and gain registers to minimize errors. The calibration process should be performed at the operating temperature range and with the same power supply voltage as the application.
  • The maximum sampling rate of the AD7770ACPZ is 250kSPS (kilosamples per second) at 16-bit resolution. However, the actual sampling rate may be limited by the system's clock frequency, the analog input bandwidth, and the digital interface throughput.

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AD7770ACPZ 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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