MCP622T-E/SN Equivalent & Substitute Parts

Part Overview

The MCP622T-E/SN is a general-purpose operational amplifier manufactured by Microchip Technology, featuring dual circuits in an 8-SOIC surface-mount package. This device operates as a rail-to-rail amplifier with a 20 MHz gain-bandwidth product and 10 V/µs slew rate, designed for applications requiring low input bias current (5 pA) and moderate input offset voltage (200 µV). The part is Active status and ROHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching electrical performance parameters, package compatibility, and operational characteristics. Substitution becomes necessary when the primary part experiences supply constraints, end-of-life transitions, or when alternative manufacturers offer equivalent performance with improved availability or cost structure.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	10	V/µs
Gain Bandwidth Product	20	MHz
Current - Input Bias	5	pA
Voltage - Input Offset	200	µV
Current - Supply	2.5 (x2 Channels)	mA
Current - Output / Channel	70	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MCP622T-E/SN are classified into two functional categories based on electrical parameter alignment:

Category 1: Direct Electrical Equivalents Parts that match or exceed the primary performance specifications across slew rate, gain-bandwidth product, input bias current, and output current capability. These substitutes maintain compatibility with existing circuit designs without performance degradation.

Category 2: Functional Alternatives Parts that operate within the same supply voltage range and package footprint but with different amplifier topology (CMOS vs. General Purpose) or modified electrical characteristics. These require circuit validation but offer alternative performance trade-offs.

Critical Substitution Parameters:

Dual-circuit configuration (2 circuits per package)
Rail-to-rail output capability
8-SOIC package with 3.90mm width
Supply voltage range: 2.5 V to 5.5 V minimum overlap
Operating temperature: -40°C to 125°C minimum
Surface-mount technology compatibility

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
MCP622T-E/SN	Microchip	General Purpose	10	20	5	200	2.5	70	2.5	5.5	-40 to 125	8-SOIC	Active
MCP622-E/SN	Microchip	General Purpose	10	20	5	200	2.5	70	2.5	5.5	-40 to 125	8-SOIC	Active
AD8656ARZ	Analog Devices	CMOS	11	28	1	50	3.7	220	2.7	5.5	-40 to 125	8-SOIC	Active
OPA2320AIDR	Texas Instruments	CMOS	10	20	0.2	40	1.45	65	1.8	5.5	-40 to 125	8-SOIC	Active
NCS20032DR2G	onsemi	General Purpose	8	7	1	500	0.275	96	1.7	5.5	-40 to 125	8-SOIC	Active
NCV20032DR2G	onsemi	General Purpose	8	7	1	500	0.275	14	1.7	5.5	-40 to 125	8-SOIC	Active
LMV342IDR	Texas Instruments	CMOS	1	1	1	250	0.107	113	2.5	5.5	-40 to 125	8-SOIC	Active
OPA2336U/2K5	Texas Instruments	CMOS	0.03	0.1	1	60	0.02	5	2.3	5.5	-40 to 85	8-SOIC	Active

Engineering Selection Recommendations

Primary Equivalent (Packaging Variant): MCP622-E/SN represents a direct equivalent to MCP622T-E/SN with identical electrical specifications. The difference is packaging format (Tube vs. Tape & Reel). Selection between these variants depends on assembly process requirements and inventory management protocols. Both maintain Active product status and ROHS3 compliance.

High-Performance Substitute (Enhanced Specifications): AD8656ARZ (Analog Devices) provides superior electrical performance with 11 V/µs slew rate, 28 MHz gain-bandwidth product, and significantly lower input bias current (1 pA). Output current capability increases to 220 mA per channel. This substitute is suitable for applications requiring improved dynamic response and lower noise characteristics. Active status and ROHS3 compliance confirmed.

Precision Substitute (Matched Specifications): OPA2320AIDR (Texas Instruments) matches the MCP622T-E/SN slew rate and gain-bandwidth product while offering superior input offset voltage (40 µV vs. 200 µV) and input bias current (0.2 pA vs. 5 pA). Extended supply voltage range (1.8 V minimum) provides additional design flexibility. Active status and ROHS3 compliance confirmed.

Low-Power Substitute (Reduced Supply Current): LMV342IDR (Texas Instruments) operates with significantly reduced supply current (107 µA vs. 2.5 mA), making it suitable for battery-powered or power-constrained applications. Trade-offs include reduced slew rate (1 V/µs) and gain-bandwidth product (1 MHz). Active status and ROHS3 compliance confirmed.

Ultra-Low-Power Substitute (Micropower Applications): OPA2336U/2K5 (Texas Instruments) is designed for micropower operation with 20 µA supply current and 5 mA output current per channel. This substitute is appropriate only for applications with relaxed bandwidth requirements (100 kHz gain-bandwidth product). Operating temperature range limited to -40°C to 85°C. Active status and ROHS3 compliance confirmed.

General-Purpose Alternatives (Cost-Optimized): NCS20032DR2G and NCV20032DR2G (onsemi) provide general-purpose amplification with reduced gain-bandwidth product (7 MHz) and slew rate (8 V/µs). These substitutes are suitable for applications where bandwidth is not performance-critical. Both maintain Active status and ROHS3 compliance. Note: NCV20032DR2G exhibits significantly reduced output current (14 mA vs. 70 mA).

Frequently Asked Questions (FAQ)

Q1: Can MCP622-E/SN be used as a direct replacement for MCP622T-E/SN?

A: Yes. MCP622-E/SN is electrically identical to MCP622T-E/SN. The only difference is packaging format: MCP622-E/SN is supplied in Tube packaging, while MCP622T-E/SN is supplied in Tape & Reel (TR) format. Both are manufactured by Microchip Technology and maintain identical electrical specifications, operating temperature range (-40°C to 125°C), and compliance certifications (ROHS3, MSL 1).

Q2: What are the key differences between the MCP622T-E/SN and AD8656ARZ?

A: Both devices are dual-circuit, rail-to-rail amplifiers in 8-SOIC packages with -40°C to 125°C operating range. AD8656ARZ offers enhanced performance: 11 V/µs slew rate (vs. 10 V/µs), 28 MHz gain-bandwidth product (vs. 20 MHz), 1 pA input bias current (vs. 5 pA), and 220 mA output current per channel (vs. 70 mA). AD8656ARZ uses CMOS technology versus the general-purpose topology of MCP622T-E/SN. Supply voltage range is 2.7 V to 5.5 V (vs. 2.5 V to 5.5 V). Both are Active status and ROHS3 compliant.

Q3: Is OPA2320AIDR suitable for direct substitution in existing MCP622T-E/SN designs?

A: OPA2320AIDR is functionally compatible with MCP622T-E/SN for most applications. Both devices match the 10 V/µs slew rate and 20 MHz gain-bandwidth product. OPA2320AIDR provides superior input characteristics: 0.2 pA input bias current (vs. 5 pA) and 40 µV input offset voltage (vs. 200 µV). The extended supply voltage range (1.8 V minimum vs. 2.5 V) provides additional design flexibility. Package and operating temperature range are identical. Both are Active status and ROHS3 compliant. Circuit validation is recommended for noise-sensitive applications due to different amplifier topology (CMOS vs. general-purpose).

Q4: When should LMV342IDR be selected over MCP622T-E/SN?

A: LMV342IDR is appropriate for power-constrained applications where supply current is a critical design parameter. LMV342IDR operates at 107 µA supply current versus 2.5 mA for MCP622T-E/SN—a 23-fold reduction. This makes LMV342IDR suitable for battery-powered systems and low-power instrumentation. Trade-offs include reduced slew rate (1 V/µs vs. 10 V/µs) and gain-bandwidth product (1 MHz vs. 20 MHz). Both devices maintain identical supply voltage range (2.5 V to 5.5 V) and operating temperature (-40°C to 125°C). Both are Active status and ROHS3 compliant.

Q5: What is the difference between NCS20032DR2G and NCV20032DR2G?

A: NCS20032DR2G and NCV20032DR2G are electrically identical except for output current capability. NCS20032DR2G provides 96 mA output current per channel, while NCV20032DR2G provides only 14 mA per channel. Both devices feature 8 V/µs slew rate, 7 MHz gain-bandwidth product, 1 pA input bias current, and 500 µV input offset voltage. Both operate across -40°C to 125°C and are ROHS3 compliant. Selection depends on output current requirements of the target application.

Q6: Can OPA2336U/2K5 replace MCP622T-E/SN in high-frequency applications?

A: No. OPA2336U/2K5 is not suitable for high-frequency applications. This device is designed for micropower operation with 100 kHz gain-bandwidth product and 0.03 V/µs slew rate—significantly lower than MCP622T-E/SN (20 MHz and 10 V/µs). OPA2336U/2K5 is appropriate only for DC-coupled, low-bandwidth applications such as sensor signal conditioning and precision measurement where power consumption is critical. Operating temperature range is also limited to -40°C to 85°C (vs. -40°C to 125°C). Both are Active status and ROHS3 compliant.

Q7: Are all substitute parts available in the same 8-SOIC package?

A: Yes. All substitute parts listed are available in 8-SOIC surface-mount packages compatible with MCP622T-E/SN PCB layouts. Package dimensions are standardized at 0.154" width (3.90mm) for most substitutes. LMR932F-GE2 uses a slightly wider 8-SOP package (0.173", 4.40mm width) and is not recommended for direct PCB substitution without layout modification. All other substitutes maintain identical footprint compatibility.

Q8: Which substitute offers the best balance of performance and power consumption?

A: OPA2320AIDR provides optimal balance between performance and power efficiency. It matches MCP622T-E/SN slew rate (10 V/µs) and gain-bandwidth product (20 MHz) while reducing supply current to 1.45 mA (vs. 2.5 mA). OPA2320AIDR also offers superior input characteristics: 0.2 pA input bias current and 40 µV input offset voltage. Extended supply voltage range (1.8 V minimum) and Active product status make it suitable for modern low-power designs requiring maintained bandwidth performance.

Q9: What compliance certifications apply to all listed substitute parts?

A: All substitute parts listed are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is MSL 1 (Unlimited) for MCP622T-E/SN, MCP622-E/SN, NCS20032DR2G, NCV20032DR2G, and LMV342IDR. OPA2320AIDR, OPA2336U, and OPA2336U/2K5 are MSL 2 (1 Year). All parts carry ECCN EAR99 classification and HTSUS code 8542.33.0001. Verify specific compliance requirements for your application before final selection.

Q10: Can substitute parts be mixed in the same production batch?

A: Mixing substitute parts in the same production batch is not recommended without explicit design validation. While all listed substitutes are functionally compatible in 8-SOIC packages, electrical parameter variations (particularly slew rate, gain-bandwidth product, and input offset voltage) may introduce performance inconsistencies across units. Maintain part number consistency within production lots to ensure predictable circuit behavior and simplified troubleshooting. If substitution becomes necessary mid-production, conduct full circuit characterization and update design documentation accordingly.

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