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AD7766单片机解密技术研究

来源:芯片解密-龙芯世纪   时间:2011-03-30   阅读:1080

   龙芯世纪专业提供各类MCU单片机解密、专用IC解密、PLD芯片解密、SPLD芯片解密、PGA/CPLD芯片解密等解密服务以及所有芯片解密相关技术转让与咨询服务。

   随着龙芯世纪在各种疑难单片机解密领域的重大突破,为我们在更多高难度IC解密领域的研究积累的丰富经验,这里我们提供对AD7766单片机的基本性能特征介绍,供客户及工程师参考借鉴,因为在单片机解密过程中,对单片机本身性能特征及其加密特性与内部结构有一定的了解,能够更好的理解单片机加解密原理,选择更合适的解密方案。芯片解密请关注http://www.icinf.com/

  FEATURES
  Oversampled successive approximation (SAR) architecture
  High performance ac and dc accuracy, low power
  115.5 dB dynamic range, 32 kSPS (AD7766-2)
  112.5 dB dynamic range, 64 kSPS (AD7766-1)
  109.5 dB dynamic range, 128 kSPS (AD7766)
  -112 dB THD
  Exceptionally low power
  8.5 mW, 32 kSPS (AD7766-2)
  10.5 mW, 64 kSPS (AD7766-1)
  15 mW, 128 kSPS (AD7766)
  High dc accuracy
  24 bits, no missing codes (NMC)
  INL: ±6 ppm (typical), ±15 ppm (maximum)
  Low temperature drift
  Zero error drift: 15 nV/°C
  Gain error drift: 0.4 ppm/°C
  On-chip low-pass FIR filter
  Linear phase response
  Pass-band ripple: ±0.005 dB
  Stop-band attenuation: 100 dB
  2.5 V supply with 1.8 V/2.5 V/3 V/3.6 V logic interface options
  Flexible interfacing options
  Synchronization of multiple devices
  Daisy-chain capability
  Power-down function
  Temperature range: -40°C to +105°C
  APPLICATIONS
  Low power PCI/USB data acquisition systems
  Low power wireless acquisition systems
  Vibration analysis
  Instrumentation
  High precision medical acquisition
  The AD7766/AD7766-1/AD7766-2 are high performance, 24-bit, oversampled SAR analog-to-digital converters (ADCs). The AD7766/AD7766-1/AD7766-2 combine the benefits of a large dynamic range and input bandwidth, consuming 15 mW, 10.5 mW, and 8.5 mW power, respectively, and are contained in a 16-lead TSSOP package.

    基于AD7766单片机的以上特点,龙芯世纪芯片解密中心能在短时间内为您完成AD7766片解密等疑难单片机解密服务。如果您有AD7766单片机解密需求,欢迎来电来访咨询洽谈。

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