MCP6244T-E/SL Equivalent & Substitute Parts

Part Overview

The MCP6244T-E/SL is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface-mount package. This device is classified as Active product status and is ROHS3 compliant. The MCP6244T-E/SL operates across a supply voltage range of 1.8 V to 5.5 V with an operating temperature range of -40°C to 125°C, making it suitable for low-power analog signal processing applications.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances. Alternative models may be required due to inventory availability, packaging format preferences, or performance optimization for specific application requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	0.3	V/µs
Gain Bandwidth Product	550	kHz
Current - Input Bias	1	pA
Voltage - Input Offset	5	mV
Current - Supply (x4 Channels)	50	µA
Current - Output / Channel	23	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MCP6244T-E/SL are classified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Compatibility Parameters:

Number of Circuits: 4 (mandatory)
Output Type: Rail-to-Rail (mandatory)
Package / Case: 14-SOIC with 0.154" width and 3.90mm width (mandatory for direct PCB compatibility)
Mounting Type: Surface Mount (mandatory)
Voltage - Supply Span: Minimum 1.8 V, Maximum 5.5 V (mandatory overlap required)
Operating Temperature: -40°C to 125°C (mandatory)

Secondary Performance Parameters (allowable variance):

Slew Rate: 0.3 V/µs or higher
Gain Bandwidth Product: 550 kHz or higher
Current - Input Bias: 1 pA or lower
Voltage - Input Offset: 5 mV or lower
Current - Supply: 50 µA or lower per channel
Current - Output / Channel: 23 mA or higher

Substitute parts meeting all critical parameters with equal or superior secondary performance characteristics are classified as direct equivalents. Parts with packaging variations (Tube vs. Tape & Reel) are functionally equivalent but differ in delivery format.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Output Type	Slew Rate (V/µs)	GBW (kHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Packaging Format
MCP6244T-E/SL	Microchip Technology	General Purpose	4	Rail-to-Rail	0.3	550	1	5	50	23	1.8	5.5	-40 to 125	14-SOIC	Tape & Reel
MCP6244-E/SL	Microchip Technology	General Purpose	4	Rail-to-Rail	0.3	550	1	5	50	23	1.8	5.5	-40 to 125	14-SOIC	Tube
AD8544ARZ	Analog Devices Inc.	General Purpose	4	Rail-to-Rail	0.92	1000	4	1	45	30	2.7	5.5	-40 to 125	14-SOIC	Tube
AD8544ARZ-REEL	Analog Devices Inc.	General Purpose	4	Rail-to-Rail	0.92	1000	4	1	45	30	2.7	5.5	-40 to 125	14-SOIC	Cut Tape & Digi-Reel
AD8544ARZ-REEL7	Analog Devices Inc.	General Purpose	4	Rail-to-Rail	0.92	1000	4	1	45	30	2.7	5.5	-40 to 125	14-SOIC	Cut Tape & Digi-Reel
AD8544WARZ-R7	Analog Devices Inc.	General Purpose	4	Rail-to-Rail	0.92	1000	4	1	45	30	2.7	5.5	-40 to 125	14-SOIC	Tape & Reel
BU7244F-E2	Rohm Semiconductor	CMOS	4	Rail-to-Rail	0.4	900	1	1	360	12	1.8	5.5	-40 to 85	14-SOP	Cut Tape & Digi-Reel
ISL28413FBZ	Renesas Electronics	General Purpose	4	Rail-to-Rail	1	2000	3	0.5	90	22	1.8	5.5	-40 to 125	14-SOIC	Tube
ISL28413FBZ-T7	Renesas Electronics	General Purpose	4	Rail-to-Rail	1	2000	3	0.5	90	22	1.8	5.5	-40 to 125	14-SOIC	Tape & Reel
ISL28414FBZ	Renesas Electronics	General Purpose	4	Rail-to-Rail	2.5	5000	3	0.5	300	31	1.8	5.5	-40 to 125	14-SOIC	Tube
ISL28414FBZ-T7	Renesas Electronics	General Purpose	4	Rail-to-Rail	2.5	5000	3	0.5	300	31	1.8	5.5	-40 to 125	14-SOIC	Tape & Reel

Engineering Selection Recommendations

Direct Packaging Equivalents (Identical Electrical & Mechanical Specifications):

The MCP6244-E/SL (Tube packaging) is a direct equivalent to the MCP6244T-E/SL, differing only in delivery format. Both devices are manufactured by Microchip Technology, carry Active product status, and maintain ROHS3 compliance with MSL 1 rating. Selection between these variants depends solely on procurement and assembly requirements.

Performance-Enhanced Substitutes (Superior Electrical Characteristics):

The AD8544 series (AD8544ARZ, AD8544ARZ-REEL, AD8544ARZ-REEL7, AD8544WARZ-R7) manufactured by Analog Devices Inc. provides enhanced performance with 0.92 V/µs slew rate, 1 MHz gain bandwidth product, and 1 mV input offset voltage. These devices maintain 14-SOIC package compatibility, rail-to-rail output, and -40°C to 125°C operating range. The minimum supply voltage requirement increases to 2.7 V, which remains compatible with the 1.8 V to 5.5 V specification range of the original part. All variants carry Active product status and ROHS3 compliance.

High-Performance Alternatives (Extended Bandwidth & Slew Rate):

The ISL28413FBZ and ISL28413FBZ-T7 (Renesas Electronics) offer 1 V/µs slew rate and 2 MHz gain bandwidth product with 0.5 mV input offset voltage. The ISL28414FBZ and ISL28414FBZ-T7 provide maximum performance with 2.5 V/µs slew rate and 5 MHz gain bandwidth product. All ISL28413/ISL28414 variants maintain 14-SOIC package compatibility, rail-to-rail output, and full -40°C to 125°C operating range. These devices carry MSL 2 rating (1 Year) and ROHS3 compliance.

CMOS Alternative (Specialized Application):

The BU7244F-E2 (Rohm Semiconductor) is a CMOS-based 4-circuit amplifier with 14-SOP package (0.173" width, 4.40mm). This device exhibits higher supply current (360 µA) and lower output current per channel (12 mA) compared to the MCP6244T-E/SL. Operating temperature range is limited to -40°C to 85°C. Package dimensions differ slightly from standard 14-SOIC, requiring PCB layout verification. ROHS3 compliance and MSL 1 rating are maintained.

Compliance & Certification Status:

All substitute parts listed maintain ROHS3 compliance and EAR99 export classification. Moisture sensitivity levels range from MSL 1 (Unlimited) to MSL 2 (1 Year). REACH status is unaffected for all variants. Product status is Active for all listed alternatives.

Frequently Asked Questions (FAQ)

Q1: Can the MCP6244-E/SL (Tube) be used as a direct replacement for MCP6244T-E/SL (Tape & Reel)?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format only. MCP6244-E/SL is supplied in Tube format, while MCP6244T-E/SL is supplied in Tape & Reel format. Selection depends on assembly equipment compatibility and procurement preferences.

Q2: What is the minimum supply voltage requirement for AD8544 series substitutes?

A: The AD8544 series requires a minimum supply voltage of 2.7 V, compared to 1.8 V for the MCP6244T-E/SL. If your application operates below 2.7 V, the AD8544 series is not suitable. Verify your circuit's minimum supply voltage before selection.

Q3: Are the ISL28413 and ISL28414 devices pin-compatible with MCP6244T-E/SL?

A: Yes. Both ISL28413 and ISL28414 series use the 14-SOIC package with identical pinout and mechanical dimensions (0.154" width, 3.90mm). Pin-for-pin substitution is possible. However, verify that your circuit can tolerate the higher supply current (90 µA for ISL28413, 300 µA for ISL28414) compared to the original 50 µA specification.

Q4: Why does the BU7244F-E2 have a different package designation (14-SOP vs. 14-SOIC)?

A: The BU7244F-E2 uses a 14-SOP package with 0.173" width and 4.40mm body width, compared to the standard 14-SOIC at 0.154" width and 3.90mm. Although both are 14-pin surface-mount packages, the physical dimensions differ. PCB footprint verification is required before substitution.

Q5: What is the difference between AD8544ARZ-REEL and AD8544ARZ-REEL7?

A: Both parts are electrically identical. The designation difference indicates reel size or packaging configuration. AD8544ARZ-REEL7 specifies a 7-inch reel format. Verify your assembly equipment's reel compatibility before selection.

Q6: Can I use ISL28414FBZ in place of ISL28413FBZ-T7?

A: Yes, with performance considerations. ISL28414FBZ provides superior slew rate (2.5 V/µs vs. 1 V/µs) and gain bandwidth product (5 MHz vs. 2 MHz). However, supply current increases from 90 µA to 300 µA. The packaging format differs (Tube vs. Tape & Reel). Verify your power budget and assembly requirements before substitution.

Q7: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification. Moisture sensitivity levels vary between MSL 1 (Unlimited) and MSL 2 (1 Year). Verify storage and handling requirements based on MSL rating.

Q8: What is the operating temperature range limitation for BU7244F-E2?

A: The BU7244F-E2 operates from -40°C to 85°C, compared to -40°C to 125°C for the MCP6244T-E/SL. If your application requires operation above 85°C, the BU7244F-E2 is not suitable.

Q9: Which substitute offers the lowest input offset voltage?

A: The ISL28413FBZ, ISL28413FBZ-T7, ISL28414FBZ, and ISL28414FBZ-T7 all provide 0.5 mV input offset voltage, compared to 5 mV for the MCP6244T-E/SL. The AD8544 series provides 1 mV input offset voltage. Select based on your circuit's offset voltage tolerance requirements.

Q10: Can I mix packaging formats (Tube, Tape & Reel, Cut Tape) in the same assembly?

A: Packaging format selection depends on your assembly process and equipment. Tube format requires manual handling or tube-feeding equipment. Tape & Reel and Cut Tape formats are compatible with automated pick-and-place systems. Verify your assembly line capabilities before selecting packaging format.

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