LT1212 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps

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The LT®1211 is a dual, single supply precision op amp with a 14MHz gain-bandwidth product and a 7V/µs slew rate. The LT1212 is a quad version of the same amplifier. The DC precision of the LT1211/LT1212 eliminates trims in most systems while providing high frequency performance not usually found in single supply amplifiers.

The LT1211/LT1212 will operate on any supply greater than 2.5V and less than 36V total. These amplifiers are specified on single 3.3V, single 5V and ±15V supplies, and only require 1.3mA of quiescent supply current per amplifier. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The minimum output drive is 20mA, ideal for driving low impedance loads. Note:For applications requiring higher slew rate, see the LT1213/LT1214 and LT1215/LT1216 data sheets

产品特点 Features
  • Slew Rate 7V/µs Typ
  • Gain-Bandwidth Product: 14MHz Typ
  • Fast Settling to 0.01%
    2V Step to 200µV 900ns Typ
    10V Step to 1mV 2.2µs Typ
  • Excellent DC Precision in All Packages
    Input Offset Voltage 275µV Max
    Input Offset Voltage Drift 6µV/°
    Input Offset Current: 30nA Max
    Input Bias Current: 125nA Max
    Open-Loop Gain: 1200V/mV Min
  • Single Supply Operation
    Input Voltage Range Includes Ground
    Output Swings to Ground While Sinking Current
  • Low Input Noise Voltage: 12nV/rt Hz Typ
  • Low Input Noise Current: 0.2pA/rt Hz Typ
  • Specified on 3.3V, 5V and ±15V
  • Large Output Drive Current: 20mA Min
  • Low Supply Current per Amplifier: 1.8mA Max
  • Dual in 8-Pin DIP and SO8
  • Quad in 14-Pin DIP and NARROW SO16
  • Note: For applications requiring higher slew rate, see the LT1213/LT1214 and LT1215/LT1216 data sheets
应用
  • 2.5V Full-Scale 12-Bit Systems: VOS </= 0.45LSB
  • 10V Full-Scale 16-Bit Systems: VOS </= 1.8LSB
  • Active Filters
  • Photo Diode Amplifiers
  • DAC Current-to-Voltage Amplifiers
  • Battery-Powered Systems
典型应用图
LT1212 典型应用
参数
LT1212 参数
LT1212 订购信息和价格参考Package Variations and Pricing
器件型号 封装 引脚 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量) *
LT1212CN PDIP 14 C $5.85  $5.10 
LT1212CN#PBF PDIP 14 C $5.85  $5.10 
LT1212CS SO 16 C $6.33  $5.40 
LT1212CS#PBF SO 16 C $6.33  $5.40 
LT1212CS#TR SO 16 C $5.46 
LT1212CS#TRPBF SO 16 C $5.46 
LT1212IN PDIP 14 I $7.20  $5.90 
LT1212IN#PBF PDIP 14 I $7.20  $5.90 
LT1212IS SO 16 I $7.55  $6.20 
LT1212IS#PBF SO 16 I $7.55  $6.20 
LT1212IS#TR SO 16 I $6.26 
LT1212IS#TRPBF SO 16 I $6.26 
LT1212 数据手册及相关资料下载
  1. 数据手册(英文) : LT1211/LT1212 - 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps.PDF
  2. 应用指南 (英文) : AN66 - linear Technology Magazine Circuit Collection, Volume II.PDF
  3. 应用指南 (英文) : AN87 - linear Technology Magazine Circuit Collection, Volume V: Data Conversion, Interface and Signal Conditioning Products.PDF
  4. 设计要点 (英文) : DN132 - Fast Current Feedback Amplifiers Tame Low Impedance Loads.PDF
  5. 可靠性数据 : R164 Reliability Data .PDF