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LTC1742 - 典型应用图例：
LTC1742典型应用图例一
LTC1742 - 封装图解：
LTC1742封装图解一
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LINEAR产品 - LTC1742介绍

LTC1742 - LTC1742是14-Bit, 65Msps Low Noise ADC

LTC1742是LINEAR凌力尔特公司的一款高速 ADC产品，LTC1742是LTC1742是14-Bit, 65Msps Low Noise ADC，本站介绍了LTC1742的封装应用图解、特点和优点、功能等，并给出了与LTC1742相关的LINEAR元器件型号供参考。

LTC1742 - LTC1742是14-Bit, 65Msps Low Noise ADC - 高速 ADC - 数据转换 - 凌力尔特

LTC1742 - 14-Bit, 65Msps Low Noise ADC

LTC1742 - 14-Bit, 65Msps Low Noise ADC - Linear Technology（凌力尔特）

功能描述

The LTC1742 is an 65Msps, sampling 14-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. Pin selectable input ranges of ±1V and ±1.6V along with a resistor programmable mode allow the LTC1742’s input range to be optimized for a wide variety of applications.

The LTC1742 is perfect for demanding communications applications with AC performance that includes 76.5dB SNR and 90dB spurious free dynamic range. Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±3LSB INL and ±1LSB DNL.

The digital interface is compatible with 5V, 3V, 2V and LVDS logic levels. The ENC and ENC inputs may be driven differentially from PECL, GTL and other low swing logic families or from single-ended TTL or CMOS. The low noise, high gain ENC and ENC inputs may also be driven by a sinusoidal signal without degrading performance. A separate output power supply can be operated from 0.5V to 5V, making it easy to connect directly to low voltage DSPs or FIFOs.

The TSSOP package with a flow-through pinout simplifies the board layout.

特点
  • Sample Rate: 65Msps
  • 76.5dB SNR and 90dB SFDR (3.2V Range)
  • 72.8dB SNR and 90dB SFDR (2V Range)
  • No Missing Codes
  • Single 5V Supply
  • Power Dissipation: 1.275W
  • Selectable Input Ranges: ±1V or ±1.6V
  • 240MHz Full Power Bandwidth S/H
  • Pin Compatible Family25Msps: LTC1746 (14-Bit), LTC1745 (12-Bit)50Msps: LTC1744 (14-Bit), LTC1743 (12-Bit)65Msps: LTC1742 (14-Bit), LTC1741 (12-Bit)80Msps: LTC1748 (14-Bit), LTC1747 (12-Bit)
  • 48-Pin TSSOP Package
    • 应用
  • Telecommunications
  • Receivers
  • Cellular Base Stations
  • Spectrum Analysis
  • Imaging Systems
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC1742CFW#PBF TSSOP-48 C $32.25 $24.65
    LTC1742CFW#TRPBF TSSOP-48 C $24.75
    LTC1742IFW TSSOP-48 I $37.90 $29.00
    LTC1742IFW#PBF TSSOP-48 I $37.90 $29.00
    LTC1742IFW#TR TSSOP-48 I $29.10
    LTC1742IFW#TRPBF TSSOP-48 I $29.10
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC1744 - 14 位、50Msps ADC
  • LTC1746 - Low Power,14-Bit, 25Msps ADC
  • LTC1750 - 14-Bit, 80Msps Wide Bandwidth ADC
  • LTC1748 - 14-Bit, 80Msps Low Noise ADC
  • LTC1747 - 12-Bit, 80Msps Low Noise ADC
  • LTC1741 - 12-Bit, 65Msps Low Noise ADC
  • LT5400 - 四个匹配的电阻器
  • LTC1743 - 12-Bit, 50Msps ADC
  • LTC6946 - 具集成型 VCO 的超低噪声及杂散 0.37GHz 至 6.39GHz 整数 N 合成器
  • LTC6409 - 10GHz GBW、1.1nV/√Hz 差分放大器 / ADC 驱动器
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