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Description

 

The TLC272 and TLC277 precision dual operational amplifiers combine a wide range of input offset voltage grades with low offset voltage drift, high input impedance, low noise, and speeds approaching those of general-purpose BiFET devices.

These devices use Texas Instruments silicon-gate LinCMOS™ technology, which provides offset voltage stability far exceeding the stability available with conventional metal-gate processes.

The extremely high input impedance, low bias currents, and high slew rates make these cost-effective devices ideal for applications previously reserved for BiFET and NFET products. Four offset voltage grades are available (C-suffix and I-suffix types), ranging from the low-cost TLC272 (10 mV) to the high-precision TLC277 (500 uV).

Features

• Trimmed Offset Voltage:
  TLC277 . . . 500 uV Max at 25°C, V_DD = 5 V
• Input Offset Voltage Drift ...Typically 0.1 uV/Month, Including the First 30 Days
• Wide Range of Supply Voltages Over Specified Temperature Range:
  0°C to 70°C ...3 V to 16 V
  –40°C to 85°C ...4 V to 16 V
  –55°C to 125°C ...4 V to 16 V
• Single-Supply Operation
• Common-Mode Input Voltage Range Extends Below the Negative Rail (C-Suffix, I-Suffix types)
• Low Noise ...Typically 25 nV/Hz at f = 1 kHz
• Output Voltage Range Includes Negative Rail
• High Input impedance ...10¹² Typ
• ESD-Protection Circuitry
• Small-Outline Package Option Also Available in Tape and Reel
• Designed-In Latch-Up Immunity