AD8022AR Equivalent & Substitute Parts

Part Overview

The AD8022AR is a voltage feedback amplifier integrated circuit manufactured by Analog Devices Inc., configured as a dual-channel (2 circuit) operational amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity. The AD8022AR delivers a 50V/µs slew rate with 100 MHz gain bandwidth product and operates across a 4.5V to 26V supply voltage range, making it suitable for general-purpose analog signal conditioning applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Slew Rate	50	V/µs
Gain Bandwidth Product	100	MHz
-3dB Bandwidth	130	MHz
Current - Input Bias	2.5	µA
Voltage - Input Offset	1.5	mV
Current - Supply	4	mA
Current - Output / Channel	55	mA
Voltage - Supply Span (Min)	4.5	V
Voltage - Supply Span (Max)	26	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitute parts for the AD8022AR are categorized based on functional equivalence and electrical parameter compatibility. The primary substitution criterion is the combination of amplifier type (voltage feedback), circuit count (2 circuits), and electrical performance envelope defined by slew rate, gain bandwidth product, and supply voltage range.

Direct Equivalents maintain identical or superior electrical performance within the same package footprint (8-SOIC), enabling pin-for-pin replacement without circuit modification.

Similar Alternatives provide equivalent functionality with modified electrical characteristics or different package geometries, requiring circuit evaluation and potential PCB layout adjustments.

Key Parameters for Substitution Assessment:

Amplifier Type: Voltage Feedback
Number of Circuits: 2
Package Compatibility: 8-SOIC surface mount preferred
Slew Rate: Minimum 50V/µs
Gain Bandwidth Product: Minimum 100 MHz
Supply Voltage Range: Minimum 4.5V to 26V span
Operating Temperature: -40°C to 85°C minimum

Parameter Comparison

Parameter	AD8022AR (Main)	AD8022ARZ	ADA4896-2ARMZ	ADA4897-2ARMZ	OPA2822U	LMH6622MA/NOPB	TL084ACN
Manufacturer	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	General Purpose	Voltage Feedback	J-FET
Number of Circuits	2	2	2	2	2	2	4
Slew Rate (V/µs)	50	50	120	120	170	85	13
Gain Bandwidth Product (MHz)	100	100	90	90	240	—	3
-3dB Bandwidth (MHz)	130	130	230	230	400	160	—
Current - Input Bias (µA)	2.5	2.5	4	4	9	4.7	0.00003
Voltage - Input Offset (mV)	1.5	1.5	0.028	0.028	0.2	0.2	3
Current - Supply (mA)	4	4	6 (3x2)	6 (3x2)	19.2 (9.6x2)	8.6 (4.3x2)	5.6 (1.4x4)
Current - Output / Channel (mA)	55	55	80	80	150	90	10
Voltage - Supply Span Min (V)	4.5	4.5	3	3	4	5	10
Voltage - Supply Span Max (V)	26	26	10	10	12.6	12	30
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 85	0 to 70
Package / Case	8-SOIC	8-SOIC	8-MSOP	10-MSOP	8-SOIC	8-SOIC	14-DIP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

AD8022ARZ is the primary direct equivalent for AD8022AR replacement. Both devices share identical electrical specifications, package geometry (8-SOIC), and functional characteristics. AD8022ARZ maintains active product status with ROHS3 compliance and unlimited moisture sensitivity rating, providing superior supply chain availability and regulatory alignment compared to the obsolete AD8022AR.

OPA2822U serves as a performance-enhanced alternative within the same 8-SOIC package footprint. This Texas Instruments device provides superior slew rate (170V/µs versus 50V/µs), higher gain bandwidth product (240 MHz versus 100 MHz), and increased output current capability (150 mA versus 55 mA per channel). OPA2822U operates within a reduced supply voltage range (4V to 12.6V) compared to AD8022AR (4.5V to 26V), requiring verification of circuit supply specifications. ROHS3 compliance and active product status support long-term availability.

LMH6622MA/NOPB provides voltage feedback amplification with differential output configuration in 8-SOIC packaging. This device delivers intermediate slew rate performance (85V/µs) and -3dB bandwidth of 160 MHz, suitable for applications requiring differential signal conditioning. Supply voltage range (5V to 12V) is narrower than AD8022AR. Active product status and ROHS3 compliance ensure regulatory compliance.

ADA4896-2ARMZ and ADA4897-2ARMZ offer enhanced performance characteristics including rail-to-rail output, superior slew rate (120V/µs), and extended operating temperature range (-40°C to 125°C). These devices require package transition from 8-SOIC to 8-MSOP or 10-MSOP respectively, necessitating PCB layout modification. Supply voltage range (3V to 10V) is narrower than AD8022AR. Both maintain active status with ROHS3 compliance.

TL084ACN is not recommended as a direct substitute. This J-FET amplifier provides four circuits in 14-DIP through-hole packaging with significantly reduced electrical performance (3 MHz gain bandwidth product, 13V/µs slew rate) and incompatible package geometry. Selection of TL084ACN requires complete circuit redesign and is suitable only for legacy through-hole assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can AD8022ARZ be used as a direct replacement for AD8022AR without circuit modification?

A: Yes. AD8022ARZ is electrically and mechanically identical to AD8022AR, sharing the same 8-SOIC package footprint, pin configuration, and electrical specifications. No circuit modification is required for pin-for-pin substitution. AD8022ARZ is the recommended replacement due to active product status and ROHS3 compliance.

Q: What are the key differences between AD8022AR and OPA2822U?

A: Both devices are dual-channel amplifiers in 8-SOIC packages with identical pinouts. OPA2822U provides superior performance with 170V/µs slew rate (versus 50V/µs), 240 MHz gain bandwidth product (versus 100 MHz), and 150 mA output current per channel (versus 55 mA). OPA2822U operates within a narrower supply voltage range (4V to 12.6V) compared to AD8022AR (4.5V to 26V). Circuit evaluation is required to confirm supply voltage compatibility.

Q: Why is TL084ACN not suitable as a substitute for AD8022AR?

A: TL084ACN differs fundamentally in multiple parameters: it is a four-circuit J-FET amplifier with 14-DIP through-hole packaging, incompatible with the 8-SOIC surface mount footprint of AD8022AR. Electrical performance is significantly reduced (3 MHz gain bandwidth product versus 100 MHz, 13V/µs slew rate versus 50V/µs). Complete circuit redesign and PCB layout modification are required. TL084ACN is applicable only to legacy through-hole assembly applications.

Q: What package considerations apply when selecting ADA4896-2ARMZ or ADA4897-2ARMZ?

A: ADA4896-2ARMZ uses 8-MSOP packaging while ADA4897-2ARMZ uses 10-MSOP packaging, both differing from the 8-SOIC footprint of AD8022AR. These devices require PCB layout modification and cannot be used as direct pin-for-pin replacements. Mechanical compatibility with existing PCB designs must be verified before selection.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed (AD8022ARZ, ADA4896-2ARMZ, ADA4897-2ARMZ, OPA2822U, LMH6622MA/NOPB, TL084ACN) are ROHS3 compliant. The obsolete AD8022AR does not specify RoHS status. ROHS3 compliance ensures regulatory alignment with current environmental and hazardous substance restrictions.

Q: What is the moisture sensitivity level (MSL) for substitute parts?

A: AD8022ARZ, ADA4896-2ARMZ, ADA4897-2ARMZ, and LMH6622MA/NOPB maintain MSL 1 (Unlimited), identical to AD8022AR. OPA2822U specifies MSL 2 (1 Year), requiring controlled storage and handling procedures. TL084ACN is not applicable (through-hole package). MSL ratings affect component shelf life and moisture exposure limits during manufacturing.

Q: Can LMH6622MA/NOPB be used in applications requiring single-ended output?

A: LMH6622MA/NOPB is configured with differential output architecture. While differential outputs can be configured for single-ended operation through appropriate circuit design, this device is optimized for differential signal conditioning applications. For single-ended applications, AD8022ARZ or OPA2822U are more suitable selections.

Q: What supply voltage range must be verified when transitioning from AD8022AR to OPA2822U?

A: AD8022AR operates across 4.5V to 26V supply range, while OPA2822U operates across 4V to 12.6V range. Circuits designed for supply voltages exceeding 12.6V are incompatible with OPA2822U. Verify that circuit supply specifications fall within the 4V to 12.6V window before selecting OPA2822U as a substitute.

Q: Do substitute parts maintain the same input bias current as AD8022AR?

A: Input bias current varies among substitutes. AD8022ARZ maintains identical 2.5 µA bias current. ADA4896-2ARMZ and ADA4897-2ARMZ specify 4 µA. OPA2822U specifies 9 µA. LMH6622MA/NOPB specifies 4.7 µA. TL084ACN specifies 30 pA (J-FET input). Applications sensitive to input bias current effects require verification of substitute specifications.

Q: What is the operating temperature range for each substitute part?

A: AD8022ARZ, OPA2822U, and LMH6622MA/NOPB maintain -40°C to 85°C range identical to AD8022AR. ADA4896-2ARMZ and ADA4897-2ARMZ extend to -40°C to 125°C. TL084ACN operates 0°C to 70°C. Applications requiring operation below 0°C or above 85°C must select devices with appropriate temperature specifications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message