OP221

NOT RECOMMENDED FOR NEW DESIGNS

Low Power Dual Operational Amplifier, Single or Dual Supply

Data Sheet (Rev. C) Product Selection Table

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Part Details

Excellent TCV_OS Match, 2 µV/°C Max
Low Input Offset Voltage, 150 µV Max
Low Supply Current, 550 µA Max
Single Supply Operation, 5 V to 30 V
Low Input Offset Voltage Drift, 0.75 µV/°C

High Open-Loop Gain, 1500 V/mV Min
High PSRR, 3 µV/V
Wide Common-Mode Voltage Range, V– to within 1.5 V of V+
Pin Compatible with 1458, LM158, LM2904
Available in Die Form

Documentation

Data Sheet 1

OP221: Dual Low Power Operational Amplifier, Single or Dual Supply Data Sheet (Rev.C) 10/30/1981

Application Note 3

AN-21: 4-20 mA Digital-to-Process Current Transmitter 10/16/2002

AN-112: Single Resistor Controls Wien Bridge Oscillator Frequency 10/21/2002

AN-112: Single Resistor Control Wien Bridge Oscillator Frequency 08/12/2024

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
AD8622	PRODUCTION	Low Power, Low Noise, Low Bias Current, Precision Dual RRO Op Amp

Tools & Simulations

OP221 SPICE Macro Models 6

Evaluation Kits

EVAL-OPAMP-2 Evaluation Board

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Product Details

The universal precision op amp evaluation boards have been designed and optimized for many circuit configurations allowing the users to best suit their applications. These boards are all RoHs compliant. See references below on what board to order by lead count and package.

EVAL-PRAOPAMP-2CPZ (dual 8-lead LFCSP) CP-8
EVAL-PRAOPAMP-2RMZ (dual 8-lead MSOP) RM-8
EVAL-PRAOPAMP-2RZ (dual 8-lead SOIC) R-8

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