AD4853

推荐新设计使用

Buffered, 4-Channel Simultaneous Sampling, 16-Bit 1MSPS DAS

产品模型
2
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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产品详情

  • Complete 16-bit data acquisition system
    • Simultaneous sampling of 4 internally buffered channels
    • 1MSPS per channel throughput
    • Differential, wide common-mode range inputs
    • ±75pA typical input leakage at 25°C
    • Full-scale input step settling time < 300ns
    • Integrated reference and reference buffer (4.096V)
    • Integrated supply decoupling capacitors
    • 57mW per channel at 1MSPS, power scales with throughput
  • Minimal external signal conditioning
  • Seamless high dynamic range
    • Per sample, per channel automatic gain ranging
    • Maintains ppm-level INL
  • Per channel SoftSpan input ranges, bipolar or unipolar
    • ±40V, ±25V, ±20V, ±12.5V, ±10V, ±6.25V, ±5V, ±2.5V
    • 0V to 40V, 25V, 20V, 12.5V, 10V, 6.25V, 5V, 2.5V
  • Rail-to-rail input overdrive tolerance
  • High performance
    • INL: ±160μV typical (±40V range)
    • SNR: 94.6dB single-conversion typical (±40V range)
    • DR: 98.1dB single-conversion typical (±40V range)
    • THD: −117dB typical (±40V range)
    • CMRR: 120dB typical
  • Digital flexibility
    • SPI CMOS (0.9V to 5.25V) and LVDS serial input and output
    • Optional oversampling with 16-bit digital averaging
    • Optional offset, gain, and phase correction
  • 7.00mm × 7.00mm, 64-ball BGA full solution footprint
AD4853
Buffered, 4-Channel Simultaneous Sampling, 16-Bit 1MSPS DAS
AD4853 Functional Block Diagram AD4853  Pin Configuration AD485x Chip Illustration
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参考资料

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软件资源


硬件生态系统

部分模型 产品周期 描述
串联基准电压源 2
LTC6655 量产 0.25ppm 噪声、低漂移、精准基准系列
ADR4540 量产 超低噪声、高精度4.096V基准电压源
内部电源开关升压稳压器 2
ADP5070 推荐新设计使用

具有独立正输出和负输出的1 A/0.6 A、DC-DC开关稳压器

LT8330 推荐新设计使用 具 1A、60V 开关的低 IQ 升压 / SEPIC / 负输出转换器
正线性稳压器(LDO) 3
ADP150 量产 超低噪声、150 mA CMOS线性调节器
ADP151 量产 超低噪声 200 mA CMOS 线性稳压器
LT1761 推荐新设计使用 采用 SOT-23 封装的 100mA、低噪声、LDO 微功率稳压器
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工具及仿真模型

LTspice

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。


评估套件

eval board
EVAL-AD4857

Evaluating the AD4857 Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

特性和优点

  • Full featured evaluation board for the AD4857 
  • 8 input channels available through SMA connectors
  • On-board reference circuit and power supplies
  • Standalone capability through FMC connector and/or test points
  • PC software for control and data analysis of the time and frequency domain
  • ZedBoard-compatible
  • Compatible with other FMC controller boards

产品详情

The EVAL-AD4857FMCZ is designed to demonstrate the performance of the AD4857 and to provide access to many included configuration options that are accessed via a simple ACE plug-in graphical user interface (GUI). The AD4857 is a fully buffered, 8-channel simultaneous sampling, 16-bit, 1 MSPS data acquisition system (DAS) with differential, wide common-mode range inputs.

The EVAL-AD4857FMCZ on-board components include the following:

  • The LTC6655 high precision, low drift, 4.096 V voltage reference (not used by default)
  • The LT1761, low noise, 1.8 V, 2.5 V, and 5 V low dropout (LDO) regulators
  • The LT8330 low quiescent current (IQ) boost converter

For full details on the AD4857, see the AD4857 data sheet, which must be consulted in conjunction with this user guide when using the EVAL-AD4857FMCZ evaluation board.

This evaluation board can also be used to evaluate the performance of the AD4855, the AD4853, and the AD4851.

EVAL-AD4857
Evaluating the AD4857 Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS
EVAL-AD4858FMCZ Evaluation Board EVAL-AD4858FMCZ Evaluation Board - Top View EVAL-AD4858FMCZ Evaluation Board - Bottom View

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