LT1022 - LT1022是High Speed, Precision JFET Input Operational Amplifier
LT1022是Linear公司的一款精准放大器产品，LT1022是High Speed, Precision JFET Input Operational Amplifier，本站介绍了LT1022的封装应用图解、特点和优点、功能等，并给出了与LT1022相关的凌力尔特元器件型号供参考。
LT1022 - High Speed, Precision JFET Input Operational Amplifier
LT1022 - High Speed, Precision JFET Input Operational Amplifier - Linear Technology（凌力尔特）
功能描述
The LT?1022 JFET input operational amplifier combines high speed and precision performance.
A 26V/μs slew rate and 8.5MHz gain-bandwidth product are simultaneously achieved with offset voltage of typically 80μV, 1.5μV/°C drift, bias currents of 50pA at 70°C, 500pA at 125°C. The output delivers 20mA of load current without gain degradation.
The 250μV maximum offset voltage specification represents less than 1/2 least significant bit error in a 14-bit, 10V system.
The LT1022A meets or exceeds all OP-16A and OP-16E specifications. It is faster and more accurate withoutstability problems at cold temperatures.
The LT1022 can be used as the output amplifier for 12-bit current output D/A converters, as shown below.
For a more accurate, lower power dissipation, but slower JFET input op amp, please refer to the LT1055 data sheet.
特点
Guaranteed Slew Rate 23V/μs Min.Guaranteed Offset Voltage 250μV Max-55°C to 125°C 750μV Max.Guaranteed Drift 5μV/°C Max.Guaranteed Bias Current70°C 180pA Max.125°C 4nA Max.Gain-Bandwidth Product: 8.5MHz TypSettling Time to 0.05% (10V Step): 0.9µs Typ应用
Fast D/A Output Amplifiers (12, 14, 16 Bits)High Speed InstrumentationFast, Precision Sample and HoldVoltage-to-Frequency ConvertersLogarithmic Amplifiers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) |
| LT1022AMH/883 | TO-5 | M | | $71.91 |
| LT1022CN8 | N-8 | C | $3.33 | $2.80 |
| LT1022CN8#PBF | N-8 | C | $3.33 | $2.80 |
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