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LTC1282 - 典型应用图例：
LTC1282典型应用图例一
LTC1282典型应用图例二
LTC1282 - 封装图解：
LTC1282封装图解一
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LINEAR产品 - LTC1282介绍

LTC1282 - LTC1282是3V 140ksps 12-Bit Sampling A/D Converter with Reference

LTC1282是LINEAR凌力尔特公司的一款通用型 SAR ADC产品，LTC1282是LTC1282是3V 140ksps 12-Bit Sampling A/D Converter with Reference，本站介绍了LTC1282的封装应用图解、特点和优点、功能等，并给出了与LTC1282相关的LINEAR元器件型号供参考。

LTC1282 - LTC1282是3V 140ksps 12-Bit Sampling A/D Converter with Reference - 通用型 SAR ADC - 数据转换 - 凌力尔特

LTC1282 - 3V 140ksps 12-Bit Sampling A/D Converter with Reference

LTC1282 - 3V 140ksps 12-Bit Sampling A/D Converter with Reference - Linear Technology（凌力尔特）

功能描述
The LTC?1282 is a 6μs, 140ksps, sampling 12-bit A/D converter that draws only 12mW from a single 3V or dual ?3V supply. This easy-to-use device comes complete with 1.14μs sample-and-hold, precision reference and internally trimmed clock. Unipolar and bipolar conversion modes provide flexibility for various applications. They are built with LTBiCMOS? switched capacitor technology.The LTC1282 has a 25ppm/°C (max) internal reference and converts 0V to 2.5V unipolar inputs from a single 3V supply. With ?3V supplies its input range is ?1.25V with two’s complement output format. Maximum DC specifications include ?0.5LSB INL, ?0.75LSB DNL and 25ppm/°C full-scale drift over temperature. Outstanding AC performance includes 69dB S/(N + D) and 77dB THD at the Nyquist input frequency of 70kHz. The internal clock is trimmed for 6μs maximum conversion time. The clock automatically synchronizes to each sample command eliminating problems with asynchronous clock noise found in competitive devices. A high speed parallel interface eases connections to FIFOs, DSPs and microprocessors.

特点
  • Single Supply 3V or ±3V Operation
  • 140ksps Throughput Rate
  • 12mW (Typ) Power Dissipation
  • On-Chip 25ppm/°C Reference
  • Internal Synchronized Clock; No Clock Required
  • High Impedance Analog Input
  • 69dB S/(N + D) and 77dB THD at Nyquist
  • 177;0.5LSB INL and ±0.75LSB DNL Max (A Grade)
  • 2.7V Guaranteed Minimum Supply Voltage
  • ESD Protected On All Pins
  • 24-Pin Narrow PDIP and SW Packages
  • 0V to 2.5V or ±1.25V Input Ranges
    • 应用
  • 3V to 2.5V or ±1.25V Input Ranges
  • High Speed Data Acquisition
  • Digital Signal Processing
  • Multiplexed Data Acquisition Systems
  • Audio and Telecom Processing
  • Spectrum Analysis
    • 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)
    LTC1282ACN N-24 C $21.90 $17.30
    LTC1282ACN#PBF N-24 C $21.90 $17.30
    LTC1282ACSW SW-24 C $23.15 $18.05
    LTC1282ACSW#PBF SW-24 C $23.15 $18.05
    LTC1282ACSW#TR SW-24 C $18.15
    LTC1282ACSW#TRPBF SW-24 C $18.15
    LTC1282BCN N-24 C $17.50 $13.80
    LTC1282BCN#PBF N-24 C $17.50 $13.80
    LTC1282BCSW SW-24 C $18.75 $14.60
    LTC1282BCSW#PBF SW-24 C $18.75 $14.60
    LTC1282BCSW#TR SW-24 C $14.70
    LTC1282BCSW#TRPBF SW-24 C $14.70
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