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TC911

Monolithic Auto-Zeroed Operational Amplifiers

Microchip Technology 

Obsolete Device

TC911A/TC911B

Monolithic Auto-Zeroed Operational Amplifiers

Features

• First Monolithic Chopper-Stabilized Amplifier with

On-Chip Nulling Capacitors

• Low Offset Voltage: 5μV

• Low 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: 120dB

• Low Input Noise Voltage: 0.65μVP-P

(0.1Hz to 1Hz)

• Pin Compatible With ICL7650

• Lower System Parts Count

Applications

• Instrumentation

• Portable/Battery Powered

• Embedded Control

• Temperature Sensor Amplifier

• Strain Gage Amplifier

Device Selection Table

Part

Number

Temperature Offset

Package

Range Voltage

TC911ACOA

TC911ACPA

TC911BCOA

TC911BCPA

8-Pin SOIC

8-Pin PDIP

8-Pin SOIC

8-Pin PDIP

0°C to +70°C

0°C to +70°C

0°C to +70°C

0°C to +70°C

15μV

15μV

30μV

30μV

Package Type

8-Pin PDIP

NC 1

- Input 2

+ Input 3

VSS 4

TC911ACPA

TC911BCPA

8 NC

7 VDD

6 Output

5 NC

8-Pin SOIC

NC 1

- Input 2

+ Input 3

VSS 4

8 NC

TC911ACOA

TC911BCOA 7 VDD

6 Output

5 NC

NC = No Internal Connection

© 2005 Microchip Technology Inc.

DS21481C-page 1

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