ADAQ4381-4

推荐用于新设计

Quad, 14-bit, 4 MSPS, Simultaneous Sampling, μModule Data Acquisition Solution

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产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Easy to use μModule® data acquisition system
    • 11× footprint reduction vs. discrete solution
    • Integrated critical passive components
    • 5 V single supply operation
  • Guaranteed 14-bit no missing codes
  • On-chip oversampling function
  • 2-bit resolution boost
  • Out of range Indicator (ALERT)
  • INL: ±0.3 LSB typical, ±1 LSB maximum
  • SNR (typical)
    • 85 dB at Gain = 1.0, fIN= 1 kHz
    • 92.4 dB with OSR = ×8 at Gain = 1.0, fIN= 1 kHz
  • Channel-to-Channel phase matching: 0.005° typical at fIN= 20kHz
  • Integrated high precision reference, 3 ppm/°C typical drift
  • Gain error: 0.003% typical
  • Gain drift: 0.8 ppm/°C typical
  • Integrated internal buffer with VCM generation
  • Integrated fully differential ADC driver with signal scaling
    • Wide input common-mode voltage range
    • High common-mode rejection
  • Single-ended to differential conversion
  • Pin selectable input range with overrange
    • Input range: ±2 V, ±3.3 V, ±5.5 V, ±11 V
    • Gain/Attenuation: G = 0.3, 0.6, 1.0, and 1.6
  • High-speed serial interface
  • 8 mm x 8 mm, 0.8 mm pitch, 81-ball CSP_BGA package

The ADAQ4381-4 is a quad-channel precision data acquisition (DAQ) signal chain μModule solution that reduces the development cycle of a precision measurement system by transferring the signal chain design challenges of component selection, optimization, and layout from the designer to the device.

Using system-in-package (SIP) technology, the ADAQ4381-4 reduces end system component count by combining multiple common signal processing and conditioning blocks into a single device. These blocks include a quad-channel, high resolution 14-bit, 4 MSPS simultaneous sampling SAR ADC, low noise, fully differential ADC driver amplifier, a 3.3 V precision voltage reference, low-noise buffer amplifiers, and low-dropout linear regulator.

The ADAQ4381-4 has an on-chip oversampling blocks to improve the dynamic range and reduce noise at lower bandwidths. The oversampling can boost up to two bits of added resolution. It provides the flexibility of a configurable ADC driver feedback loop to allow four gain and attenuation adjustments, and accept both fully differential or single-ended to differential input configuration.

Using Analog Devices, Inc. iPassives® technology, the ADAQ4381-4 incorporates critical passive components with superior matching and drift characteristics to minimize temperature dependent error sources and to offer optimized signal chain performance. Housed in a small 8 mm × 8 mm × 0.8 mm pitch, 81- ball CSP_BGA package, the ADAQ4381-4 enables compact design without sacrificing performance and simplifies end system bill of materials management. The ADAQ4381-4's optimum performance is guaranteed with a single 5 V supply operation, all the required bypass and decoupling capacitors are included inside the package. The level of ADAQ4381-4 system integration solves many design challenges, which enables a compact and simple solution for a multichannel application.

The conversion result can clock out simultaneously through 4-wire mode for faster throughput or through 1-wire serial mode when slower throughput is allowed. The ADAQ4381-4 is compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using the separate logic supply. The ADAQ4381-4 is specified to operate over a temperature range of −40°C to +105°C.

APPLICATIONS

  • Lab grade battery test system
  • Motor control current sense
  • Motor control position feedback
  • Sonar
  • Power quality monitoring
  • Data acquisition system
  • Erbium-Doped Fiber Amplifier (EDFA) applications
  • I and Q demodulation
ADAQ4381-4
Quad, 14-bit, 4 MSPS, Simultaneous Sampling, μModule Data Acquisition Solution
ADAQ4381-4 Functional Block Diagram ADAQ4381-4 Pin Configuration ADAQ4381-4 Circuit Diagram
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硬件生态系统

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开关稳压器和控制器 1
LT8362
推荐用于新设计 具 2A、60V 开关的低 IQ 升压 / SEPIC / 负输出转换器
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推荐用于新设计 40 V、200 mA、低噪声、CMOS LDO线性稳压器
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EVAL-ADAQ4370-4

Evaluating the ADAQ4370-4 Quad, 16-Bit, 2 MSPS, Simultaneous Sampling, μModule Data Acquisition Solutions

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特性和优点

  • ADAQ4370-4 quad, 16-bit, 4/2 MSPS, μModule® evaluation boards
  • Versatile analog signal conditioning circuitry
  • On-board LDO and power supply circuits
  • PC software for control and data analysis of time and frequency domain
  • System demonstration platform-compatible (SDP-H1, high-speed controller board (EVAL-SDP-CH1Z))

    产品详情

    The EV-ADAQ4380-4FMCZ and EV-ADAQ4370-4FMCZ evaluation boards (see Figure 1) enable a simple evaluation of the ADAQ4380-4 and ADAQ4370-4 quad, 16-bit, 4/2 MSPS, simultaneous sampling, μModule data acquisition solutions, respectively. The evaluation boards demonstrate the performance of the ADAQ4380-4 and ADAQ4370-4 μModules and are versatile tools for variety of applications.

    The ADAQ4380-4 and ADAQ4370-4 μModules combine multiple common signal processing and conditioning blocks into a single device that includes a low noise, fully differential analog-to-digital converter (ADC) drivers, a high precision 3.3 V reference chip, low-noise reference buffer, high resolution, quad, 16-bit, 4/2 MSPS simultaneous sampling successive approximation register (SAR) ADC, and all the critical passive components necessary for optimum performance.

    The EV-ADAQ4380-4FMCZ and EV-ADAQ4370-4FMCZ evaluation boards interface with high-speed system demonstration platform SDP-H1 (EVAL-SDP-CH1Z) board through a 160-pin FMC connector, as shown in Figure 2.

    Refer to the ADAQ4380-4 and ADAQ4370-4 data sheets for full specifications, which must be consulted in conjunction with this user guide when using the EV-ADAQ4380-4FMCZ and EVADAQ4370- 4FMCZ evaluation boards. For the current schematic, layouts, and bill of materials, refer to the EVAL-ADAQ4380-4 or EVAL-ADAQ4370-4 product page.
    EVAL-ADAQ4370-4
    Evaluating the ADAQ4370-4 Quad, 16-Bit, 2 MSPS, Simultaneous Sampling, μModule Data Acquisition Solutions
    EV-ADAQ4380-4FMCZ Evaluation Board EV-ADAQ4380-4FMCZ Evaluation Board - Bottom View EV-ADAQ4380-4FMCZ Evaluation Board - Top View

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