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RT2378-20单通道模数转换器参数介绍及中文PDF下载

RT2378-20相关信息来自ADI官网,具体参数以官网公布为准,RT2378-20供应信息可在查I

RT2378-20相关信息来自ADI官网,详细参数以官网发布为准,RT2378-20供给信息可在查IC网查找相关供给商。

产品概况

The RT2378-20 is a low noise, low power, high speed 20-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the RT2378-20 has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The RT2378-20 consumes only 21mW and achieves ±2ppm INL maximum, no missing codes at 20 bits with 104dB SNR.

The RT2378-20 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 1Msps throughput with no cycle latency makes the RT2378-20 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The RT2378-20 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate.

The RT2378-20 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier’s negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from 0V to 0.1 • VREF and full-scale code from VREF to 0.9 • VREF. For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.

Applications

  • High-Accuracy Instrumentation
  • Imaging Systems
  • High-Speed Data Acquisition
  • Low-Power Conversion

优势和特色

  • Processed and Qualified to Proprietary RT Flow Using PEM-INST-001 as a Guideline
  • 1Msps Throughput Rate
  • ±0.5ppm INL (Typ)
  • Guaranteed 20-Bit No Missing Codes
  • Low Power: 21mW at 1Msps, 21μW at 1ksps
  • 104dB SNR (Typ) at fIN = 2kHz
  • –125dB THD (Typ) at fIN = 2kHz
  • Digital Gain Compression (DGC)
  • 2.5V Supply
  • Fully Differential Input Range ±VREF
  • VREF Input Range from 2.5V to 5.1V
  • No Pipeline Delay, No Cycle Latency
  • 1.8V to 5V I/O Voltages
  • SPI-Compatible Serial I/O with Daisy-Chain Mode
  • Internal Conversion Clock
  • 16-Lead MSOP Package

RT2378-20电路图

RT2378-20

RT2378-20中文PDF下载地址

RT2378-20下载链接地址:https://www.analog.com/media/en/technical-documentation/data-sheets/rt2378-20.pdf

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