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LTC2296 - Dual 14-Bit, 65/40/25Msps Low Power 3V ADCs
发布时间:2015/1/4 16:53:12 | 阅读:396
特点 Integrated Dual 14-Bit ADCs Sample Rate: 65Msps/40Msps/25Msps Single 3V Supply (2.7V to 3.4V) Low Power: 400mW/235mW/150mW 74.3dB SNR 90dB SFDR 110dB Channel Isolation at 100MHz Multiplexed or Se

特点

  • Integrated Dual 14-Bit ADCs
  • Sample Rate: 65Msps/40Msps/25Msps
  • Single 3V Supply (2.7V to 3.4V)
  • Low Power: 400mW/235mW/150mW
  • 74.3dB SNR
  • 90dB SFDR
  • 110dB Channel Isolation at 100MHz
  • Multiplexed or Separate Data Bus
  • Flexible Input: 1VP-P to 2VP-P Range
  • 575MHz Full Power Bandwidth S/H
  • Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Pin Compatible Family
    105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit)
    80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit)
    65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit)
    40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit)
    25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit)
  • 64-Pin (9mm × 9mm) QFN Package

典型应用

LTC2296 Typical Application
LTC2296 Typical Application

描述

The LTC®2298/LTC2297/LTC2296 are 14-bit 65Msps/40Msps/25Msps, low power dual 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2298/LTC2297/LTC2296 are perfect for demanding imaging and communications applications with AC performance that includes 74dB SNR and 85dB SFDR for signals well beyond the Nyquist frequency.

DC specs include ±1.2LSB INL (typ), ±0.5LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1LSBRMS.

A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.3V logic. An optional multiplexer allows both channels to share a digital output bus.

A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.

应用

  • Wireless and Wired Broadband Communication
  • Imaging Systems
  • Spectral Analysis
  • Portable Instrumentation

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