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TC911B - Monolithic Auto-Zeroed Operational Amplifers

General Description

The TC911 CMOS auto-zeroed operational amplifier is the first complete monolithic chopper-stabilized amplifier.

Chopper operational amplifiers like the ICL7650/7652 and LTC1052 require user-supplied, external offset compensation storage capacitors.

Key Features

  • s s s s s s s s s s s s First Monolithic Chopper-Stabilized Amplifier With On-Chip Nulling Capacitors Offset Voltage 5µV Offset Voltage Drift 0.05µV/°C Low Supply Current 350µA High Common-Mode Rejection 116dB Single Supply Operation 4.5V to 16V High Slew Rate 2.5V/µsec Wide Bandwidth 1.5MHz High Open-Loop Voltage Gain (RL = 10kΩ) 120dB Low Input Voltage Noise (0.1Hz to 1Hz) 0.65µVP-P Pin Compatible With ICL7650 Lower System Parts Count.

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TC911A TC911B Monolithic Auto-Zeroed Operational Amplifers FEATURES s s s s s s s s s s s s First Monolithic Chopper-Stabilized Amplifier With On-Chip Nulling Capacitors Offset Voltage .................................................... 5µV Offset Voltage Drift .................................. 0.05µV/°C Low Supply Current ...................................... 350µA High Common-Mode Rejection .................... 116dB Single Supply Operation ....................... 4.5V to 16V High Slew Rate ......................................... 2.5V/µsec Wide Bandwidth ............................................ 1.5MHz High Open-Loop Voltage Gain (RL = 10kΩ) ..................................................... 120dB Low Input Voltage Noise (0.1Hz to 1Hz) .........................................