LT1679 - LT1679是Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps
LT1679是Linear公司的一款精准放大器产品，LT1679是Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps，本站介绍了LT1679的封装应用图解、特点和优点、功能等，并给出了与LT1679相关的凌力尔特元器件型号供参考。
LT1679 - Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps
LT1679 - Dual/Quad Low Noise, Rail-to-Rail, Precision Op Amps - Linear Technology（凌力尔特）
功能描述
The LT1678/LT1679 are dual/quad rail-to-rail op amps offering both low noise and precision: 3.9nV/rtHz wideband noise, 1/f corner frequency of 4Hz and 90nV peak-to-peak 0.1Hz to 10Hz noise are combined with outstanding precision: 100µV maximum offset voltage, greater than 100dB common mode and power supply rejection and 20MHz gain bandwidth product. The LT1678/LT1679 bring precision as well as low noise to single supply applications as low as 3V. The input range exceeds the power supply by 100mV with no phase inversion while the output can swing to within 170mV of either rail.
The LT1678/LT1679 are offered in the SO-8 and SO-14 packages. A full set of matching specifications are also provided, facilitating their use in matching dependent applications such as a two op amp instrumentation amplifier design. The LT1678/LT1679 are specified for supply voltages of ±15V, single 5V as well as single 3V. For a single amplifier with similiar performance, see the LT1677 data sheet.
特点
Rail-to-Rail Input and Output 100% Tested Low Voltage Noise:3.9nV/rtHz Typ at 1kHz5.5nV/rtHz Max at 1kHz Single Supply Operation from 2.5V to 36V Offset Voltage: 100µV Max Low Input Bias Current: 20nA Max High AVOL: 3V/µV Min, RL = 10k High CMRR: 100dB Min High PSRR: 106dB Min Gain Bandwidth Product: 20MHz Operating Temperature Range: –40°C to 85°C Matching Specifications No Phase Inversion 8-Lead SO and 14-Lead SO Packages应用
Strain Gauge Amplifiers Portable Microphones Battery-Powered Rail-to-Rail Instrumentation Low Noise Signal Processing Microvolt Accuracy Threshold Detection Infrared Detectors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) |
| LT1679CS | SO-14 | C | $5.50 | $3.85 |
| LT1679CS#PBF | SO-14 | C | $5.50 | $3.85 |
| LT1679CS#TR | SO-14 | C | | $3.91 |
| LT1679CS#TRPBF | SO-14 | C | | $3.91 |
| LT1679IS | SO-14 | I | $6.43 | $4.50 |
| LT1679IS#PBF | SO-14 | I | $6.43 | $4.50 |
| LT1679IS#TR | SO-14 | I | | $4.56 |
| LT1679IS#TRPBF | SO-14 | I | | $4.56 |
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