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LT1793 - 典型应用图例：
LT1793典型应用图例一
LT1793典型应用图例二
LT1793 - 封装图解：
LT1793封装图解一
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LINEAR产品 - LT1793介绍

LT1793 - LT1793是Low Noise, Picoampere Bias Current, JFET Input Op Amp

LT1793是LINEAR凌力尔特公司的一款低偏置电流放大器产品，LT1793是LT1793是Low Noise, Picoampere Bias Current, JFET Input Op Amp，本站介绍了LT1793的封装应用图解、特点和优点、功能等，并给出了与LT1793相关的LINEAR元器件型号供参考。

LT1793 - LT1793是Low Noise, Picoampere Bias Current, JFET Input Op Amp - 低偏置电流放大器 - 信号调理 - 凌力尔特

LT1793 - Low Noise, Picoampere Bias Current, JFET Input Op Amp

LT1793 - Low Noise, Picoampere Bias Current, JFET Input Op Amp - Linear Technology（凌力尔特）

功能描述
The LT®1793 achieves a new standard of excellence in noise performance for a JFET op amp. For the first time low voltage noise (6nV/rtHz) is simultaneously offered with extremely low current noise (0.8fA/rtHz), providing the lowest total noise for high impedance transducer applications. Unlike most JFET op amps, the very low input bias current (3pA typ) is maintained over the entire common mode range which results in an extremely high input resistance (1013 ohms). When combined with a very low input capacitance (1.5pF) an extremely high input impedance results, making the LT1793 the first choice for amplifying low level signals from high impedance transducers. The low input capacitance also assures high gain linearity when buffering AC signals from high impedance transducers.The LT1793 is unconditionally stable for gains of 1 or more, even with 1000pF capacitive loads. Other key features are 250µV VOS and a voltage gain over 4 million. Each individual amplifier is 100% tested for voltage noise, slew rate (3.4V/µs) and gain-bandwidth product (4.2MHz).Specifications at ±5V supply operation are also provided. For an even lower voltage noise please see the LT1792 data sheet.
特点
  • Input Bias Current, Warmed Up: 10pA Max
  • 100% Tested Low Voltage Noise: 8nV/rtHz Max
  • A Grade 100% Temperature Tested
  • Offset Voltage Over Temp: 1mV Max
  • nput Resistance: 1013 ohms
  • Very Low Input Capacitance: 1.5pF
  • Voltage Gain: 1 Million Min
  • Gain-Bandwidth Product: 4.2MHz Typ
  • Guaranteed Specifications with ±5V Supplies
    • 应用
  • Photocurrent Amplifiers
  • Hydrophone Amplifiers
  • High Sensitivity Piezoelectric Accelerometers
  • Low Voltage and Current Noise Instrumentation Amplifier Front Ends
  • Two and Three Op Amp Instrumentation Amplifiers
  • Active Filters
    • 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)
    LT1793ACN8 N-8 C $3.95 $3.35
    LT1793ACN8#PBF N-8 C $3.95 $3.35
    LT1793ACS8 SO-8 C $3.95 $3.35
    LT1793ACS8#PBF SO-8 C $3.95 $3.35
    LT1793ACS8#TR SO-8 C $3.41
    LT1793ACS8#TRPBF SO-8 C $3.41
    LT1793AIN8 N-8 I $5.00 $4.25
    LT1793AIN8#PBF N-8 I $5.00 $4.25
    LT1793AIS8 SO-8 I $5.00 $4.25
    LT1793AIS8#PBF SO-8 I $5.00 $4.25
    LT1793AIS8#TR SO-8 I $4.31
    LT1793AIS8#TRPBF SO-8 I $4.31
    LT1793CN8 N-8 C $2.75 $2.25
    LT1793CN8#PBF N-8 C $2.75 $2.25
    LT1793CS8 SO-8 C $2.75 $2.25
    LT1793CS8#PBF SO-8 C $2.75 $2.25
    LT1793CS8#TR SO-8 C $2.31
    LT1793CS8#TRPBF SO-8 C $2.31
    LT1793IN8 N-8 I $3.80 $3.15
    LT1793IN8#PBF N-8 I $3.80 $3.15
    LT1793IS8 SO-8 I $3.80 $3.15
    LT1793IS8#PBF SO-8 I $3.80 $3.15
    LT1793IS8#TR SO-8 I $3.21
    LT1793IS8#TRPBF SO-8 I $3.21
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1028 - 超低噪声、精准型高速运算放大器
  • LT1169 - Dual Low Noise, Picoampere Bias Current, JFET Input Op Amp
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT5400 - 四个匹配的电阻器
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
  • LTC6090 / LTC6090-5 - 140V CMOS 轨至轨输出、pA 输入电流运放
  • LT1792 - 低噪声、高精度、JFET 输入运算放大器
  • LTC6655 - 0.25ppm 噪声、低漂移、精准基准系列
  • LT1115 - Ultra-Low Noise, Low Distortion, Audio Op Amp
  • LT1167 - 可利用单个电阻器来设置增益的精准型仪表放大器
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