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LT1677 Datasheet

LT1677 Datasheet

Low Noise, Rail-to-Rail Precision Op Amp
Part No.: LT1677
Page: 20 Pages
Size: 502 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2023-10-25 15:49:58
DataSheet: Download

LT1677 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT1677CS8#PBF Tube 100 1677 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1677CS8#TRPBF Reel 2500 1677 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1677CS8#TRMPBF Reel 500 1677 1 8 0°C ~ 70°C 8-Lead SOIC  
LT1677IS8#PBF Tube 100 1677I 1 8 -40°C ~ 85°C 8-Lead SOIC  
LT1677IS8#TRPBF Reel 2500 1677I 1 8 -40°C ~ 85°C 8-Lead SOIC  
LT1677IS8#TRMPBF Reel 500 1677I 1 8 -40°C ~ 85°C 8-Lead SOIC  
LT1677CN8#PBF Tube 50 1677 1 8 0°C ~ 70°C 8-Lead PDIP  
LT1677CN8#TRPBF Reel   1677 1 8 0°C ~ 70°C 8-Lead PDIP  
LT1677CN8#TRMPBF Reel   1677 1 8 0°C ~ 70°C 8-Lead PDIP  
LT1677IN8#PBF Tube 50 1677I 1 8 -40°C ~ 85°C 8-Lead PDIP  
LT1677IN8#TRPBF Reel   1677I 1 8 -40°C ~ 85°C 8-Lead PDIP  
LT1677IN8#TRMPBF Reel   1677I 1 8 -40°C ~ 85°C 8-Lead PDIP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT1677 Datasheet(PDF)

LT1677 Datasheet(Picture)

LT1677 Features

  • Rail-to-Rail Input and Output
  • 100% Tested Low Voltage Noise:
    • 3.2nV/√Hz Typ at 1kHz
    • 4.5nV/√Hz Max at 1kHz
  • Offset Voltage: 60µV Max
  • Low VOS Drift: 0.2µV/°C Typ
  • Low Input Bias Current: 20nA Max
  • Wide Supply Range: 3V to ±18V
  • High AVOL: 7V/µV Min, RL = 10k
  • High CMRR: 109dB Min
  • High PSRR: 108dB Min
  • Gain Bandwidth Product: 7.2MHz
  • Slew Rate: 2.5V/µs
  • Operating Temperature Range: –40°C to 85°C

LT1677 Applications

  • Low Noise Signal Processing
  • Microvolt Accuracy Threshold Detection
  • Strain Gauge Amplifiers
  • Tape Head Preamplifiers
  • Direct Coupled Audio Gain Stages
  • Infrared Detectors
  • Battery-Powered Microphones

LT1677 Description

The LT1677 features the lowest noise performance available for a rail-to-rail operational amplifier: 3.2nV/√Hz wideband noise, 1/f corner frequency of 13Hz and 90nV peak-to-peak 0.1Hz to 10Hz noise. Low noise is combined with outstanding precision: 20µV offset voltage and 0.2µV/°C drift, 130dB common mode and power supply rejection and 7.2MHz gain bandwidth product. The common mode range exceeds the power supply by 100mV.

The voltage gain of the LT1677 is extremely high, 19 million (typical) driving a 10k load.

In the design, processing and testing of the device, particular attention has been paid to the optimization of the entire distribution of several key parameters. Consequently, the specifications have been spectacularly improved compared to competing rail-to-rail amplifiers.

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