OP2177ARMZ-R2 Equivalent & Substitute Parts

Part Overview

The OP2177ARMZ-R2 is a general purpose dual operational amplifier manufactured by Analog Devices Inc., housed in an 8-MSOP surface mount package. This device features a 1.3 MHz gain bandwidth product and operates across a 5V to 30V supply range, making it suitable for low-frequency signal conditioning and general amplification applications.

The OP2177ARMZ-R2 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this component.

Substiute Parts

OP2177ARMZ-R2

Analog Devices Inc.In Stock: 962OP2177ARMZ-R2 Datasheet

Current PartRFQ

OP2177ARMZ-REEL

Analog Devices Inc.In Stock: 17433OP2177ARMZ-REEL Datasheet

DirectRFQ

ADA4077-2ARMZ-RL

Analog Devices Inc.In Stock: 3393ADA4077-2ARMZ-RL Datasheet

SimilarRFQ

ADA4177-2ARMZ-RL

Analog Devices Inc.In Stock: 1632ADA4177-2ARMZ-RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OP2177ARMZ-R2 is determined by electrical and mechanical compatibility across the following critical parameters:

Mechanical Compatibility: All substitute parts must share the same package type (8-MSOP surface mount) and physical dimensions (0.118", 3.00mm Width) to ensure PCB layout compatibility without redesign.

Electrical Compatibility: Substitute parts must operate within the same supply voltage range (5V to 30V minimum and maximum) and maintain the same number of circuits (2 dual amplifiers). The operating temperature range (-40°C to 125°C) must be met or exceeded.

Functional Compatibility: Substitute parts must be general purpose amplifiers with dual circuit configuration. Parts with enhanced performance characteristics (higher bandwidth, improved slew rate, lower input offset voltage, or rail-to-rail output capability) are electrically compatible and represent functional upgrades while maintaining backward compatibility.

Packaging Format: The OP2177ARMZ-R2 is supplied in tape and reel format. Direct equivalents and substitutes may be supplied in alternative packaging formats (cut tape, digi-reel, or tape and reel) without affecting electrical performance.

Parameter Comparison

Engineering Selection Recommendations

OP2177ARMZ-REEL: This part is the direct equivalent of the OP2177ARMZ-R2, sharing identical electrical specifications and performance characteristics. The OP2177ARMZ-REEL differs only in packaging format (digi-reel versus standard tape and reel) and carries active product status with ROHS3 compliance and REACH unaffected certification. This part is the primary recommendation for direct replacement in new production and redesign efforts.

ADA4077-2ARMZ-RL: This part provides enhanced performance over the OP2177ARMZ-R2 while maintaining full electrical compatibility. The ADA4077-2ARMZ-RL offers higher slew rate (1.2V/µs versus 0.7V/µs), increased gain bandwidth product (3.6 MHz versus 1.3 MHz), and lower input bias current (400 pA versus 500 pA). Supply voltage range, operating temperature, and package specifications remain identical. This part is suitable for applications requiring improved frequency response and faster signal settling. Active product status with ROHS3 compliance and REACH unaffected certification is confirmed.

ADA4177-2ARMZ-RL: This part represents the highest performance option among available substitutes. The ADA4177-2ARMZ-RL features rail-to-rail output capability, highest slew rate (1.5V/µs), highest gain bandwidth product (3.5 MHz), lowest input offset voltage (2 µV), and highest output current per channel (25 mA). The maximum supply voltage extends to 36V. All mechanical and thermal specifications remain compatible. This part is suitable for applications requiring maximum output swing, precision signal conditioning, or higher load driving capability. Active product status with ROHS3 compliance and REACH unaffected certification is confirmed.

Frequently Asked Questions (FAQ)

Q: Can the OP2177ARMZ-REEL be used as a direct replacement for the OP2177ARMZ-R2?

A: Yes. The OP2177ARMZ-REEL is electrically and mechanically identical to the OP2177ARMZ-R2. Both parts share the same dual general purpose amplifier configuration, identical electrical specifications, and 8-MSOP package. The only difference is packaging format and product status (active versus obsolete).

Q: What are the key differences between the ADA4077-2ARMZ-RL and the OP2177ARMZ-R2?

A: The ADA4077-2ARMZ-RL provides enhanced performance in three areas: slew rate (1.2V/µs versus 0.7V/µs), gain bandwidth product (3.6 MHz versus 1.3 MHz), and input bias current (400 pA versus 500 pA). All other electrical parameters, supply voltage range, operating temperature, and package specifications remain identical. These enhancements make the ADA4077-2ARMZ-RL suitable for higher frequency applications.

Q: Is the ADA4177-2ARMZ-RL compatible with the OP2177ARMZ-R2 in terms of package and pinout?

A: Yes. The ADA4177-2ARMZ-RL uses the same 8-MSOP package with identical pinout and physical dimensions (0.118", 3.00mm Width). No PCB layout modifications are required for mechanical compatibility. The part is a functional upgrade with enhanced electrical performance.

Q: What is the significance of rail-to-rail output in the ADA4177-2ARMZ-RL?

A: Rail-to-rail output capability allows the amplifier output to swing closer to the positive and negative supply rails, maximizing the usable output voltage range. This feature is beneficial in low-supply-voltage applications or when maximum signal amplitude is required. The OP2177ARMZ-R2 does not specify rail-to-rail output capability.

Q: Are all substitute parts RoHS3 compliant?

A: The OP2177ARMZ-REEL, ADA4077-2ARMZ-RL, and ADA4177-2ARMZ-RL are all confirmed ROHS3 compliant. The original OP2177ARMZ-R2 does not specify RoHS status in the provided data.

Q: Can I use the ADA4177-2ARMZ-RL in a design originally specified for the OP2177ARMZ-R2?

A: Yes. The ADA4177-2ARMZ-RL is electrically and mechanically compatible with the OP2177ARMZ-R2. The enhanced performance characteristics (higher bandwidth, improved slew rate, lower input offset voltage, rail-to-rail output, and higher output current) represent functional improvements that maintain backward compatibility. No circuit modifications are required.

Q: What is the difference in supply current between these parts?

A: The OP2177ARMZ-R2 and OP2177ARMZ-REEL require 400µA per channel. The ADA4077-2ARMZ-RL also requires 400µA per channel. The ADA4177-2ARMZ-RL requires 500µA per channel, representing a 25% increase in supply current consumption.

Q: Are there any temperature or environmental limitations that differ between these parts?

A: All four parts operate across the identical temperature range of -40°C to 125°C. All parts carry MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. The OP2177ARMZ-REEL, ADA4077-2ARMZ-RL, and ADA4177-2ARMZ-RL are all REACH unaffected.