MCP6474T-E/SL Equivalent & Substitute Parts

Part Overview

The MCP6474T-E/SL is a CMOS rail-to-rail operational amplifier manufactured by Microchip Technology, configured as a 4-circuit integrated circuit in a 14-SOIC surface mount package. This device is classified as Active product status and is ROHS3 compliant. The MCP6474T-E/SL serves applications requiring low-power, general-purpose amplification with rail-to-rail output capability across a 2V to 5.5V supply range. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and compliance certifications align with the original specification, enabling component interchangeability in production and field applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MCP6474T-E/SL	—
Manufacturer	Microchip Technology	—
Amplifier Type	CMOS	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	1.1	V/µs
Gain Bandwidth Product	2	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	1.5	mV
Current - Supply	100	µA (x4 Channels)
Current - Output / Channel	32	mA
Voltage - Supply Span (Min)	2	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts for the MCP6474T-E/SL are qualified based on the following criteria:

Mechanical Compatibility: All substitute parts must use the 14-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and footprint.

Electrical Compatibility: Substitute parts must support 4-circuit configuration, rail-to-rail output operation, and operate within the supply voltage range of 2V to 5.5V minimum and maximum specifications.

Functional Parameters: The following parameters define acceptable substitution boundaries:

Slew Rate: 1.1 V/µs or greater
Gain Bandwidth Product: 2 MHz or greater
Current - Input Bias: 1 pA or lower
Voltage - Input Offset: 1.5 mV or lower
Current - Supply: 100 µA (x4 Channels) or lower
Current - Output / Channel: 32 mA or greater
Operating Temperature Range: -40°C to 125°C minimum

Compliance & Status: All substitute parts must maintain Active product status, ROHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating.

Packaging Format: Substitute parts are grouped by packaging type (Tube, Cut Tape & Digi-Reel, Tape & Reel) to reflect distribution and assembly requirements.

Parameter Comparison

Parameter	MCP6474T-E/SL	AD8544ARZ	AD8544ARZ-REEL	AD8544ARZ-REEL7	AD8544WARZ-R7	AD8604ARZ	AD8604ARZ-REEL	AD8604ARZ-REEL7	AD8604DRZ	AD8604DRZ-REEL	AD8608ARZ
Manufacturer	Microchip Technology	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	4	4	4	4	4	4	4	4	4	4	4
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	1.1	0.92	0.92	0.92	0.92	6	6	6	6	6	5
Gain Bandwidth Product (MHz)	2	1	1	1	1	8.4	8.4	8.4	8.4	8.4	10
Current - Input Bias (pA)	1	4	4	4	4	0.2	0.2	0.2	0.2	0.2	1
Voltage - Input Offset (mV)	1.5	1	1	1	1	0.08	0.08	0.08	1.3	1.3	0.08
Current - Supply (µA x4 Channels)	100	45	45	45	45	750	750	750	750	750	1000
Current - Output / Channel (mA)	32	30	30	30	30	50	50	50	50	50	80
Voltage - Supply Span Min (V)	2	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7
Voltage - Supply Span Max (V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

AD8544 Series (General Purpose Amplifiers): The AD8544ARZ, AD8544ARZ-REEL, AD8544ARZ-REEL7, and AD8544WARZ-R7 are general-purpose operational amplifiers that meet the core mechanical and electrical compatibility requirements. These devices operate within the 2.7V to 5.5V supply range and maintain the 14-SOIC package format. All variants are Active status products with ROHS3 compliance and MSL 1 rating. The AD8544 series exhibits lower supply current (45 µA x4 Channels) compared to the MCP6474T-E/SL, making these options suitable for power-constrained applications. However, the slew rate (0.92 V/µs) and gain bandwidth product (1 MHz) are lower than the original specification. Selection among AD8544 variants depends on packaging requirements: AD8544ARZ for tube packaging, AD8544ARZ-REEL and AD8544ARZ-REEL7 for cut tape and digi-reel formats, and AD8544WARZ-R7 for tape and reel distribution.

AD8604 Series (CMOS Amplifiers with DigiTrim): The AD8604ARZ, AD8604ARZ-REEL, AD8604ARZ-REEL7, AD8604DRZ, and AD8604DRZ-REEL are CMOS amplifiers in the DigiTrim series. These devices exceed the MCP6474T-E/SL performance in slew rate (6 V/µs) and gain bandwidth product (8.4 MHz), providing enhanced dynamic response. The AD8604 variants feature superior input bias current (0.2 pA) and lower input offset voltage (80 µV for ARZ variants, 1.3 mV for DRZ variants). All AD8604 options maintain 14-SOIC packaging, Active product status, ROHS3 compliance, and MSL 1 rating. Supply current is higher (750 µA x4 Channels) and output current capability is greater (50 mA per channel). Selection among AD8604 variants is determined by packaging format and input offset voltage tolerance: ARZ variants for lower offset voltage applications, DRZ variants for standard offset specifications, and packaging options (Tube, Cut Tape & Digi-Reel) for supply chain requirements.

AD8608ARZ (High-Performance CMOS Amplifier): The AD8608ARZ is a DigiTrim CMOS amplifier offering the highest performance metrics: slew rate of 5 V/µs and gain bandwidth product of 10 MHz. Input bias current matches the original specification at 1 pA, with input offset voltage of 80 µV. Output current capability reaches 80 mA per channel, the highest among all substitutes. Supply current is 1 mA (x4 Channels). The AD8608ARZ maintains 14-SOIC packaging, Active status, ROHS3 compliance, and MSL 1 rating. This device is selected for applications requiring maximum bandwidth and output drive capability within the 14-SOIC form factor.

Packaging Considerations: Tube packaging (ARZ, DRZ) is standard for manual assembly and small-volume applications. Cut Tape & Digi-Reel formats (ARZ-REEL, ARZ-REEL7, DRZ-REEL) support automated pick-and-place equipment with reel compatibility. Tape & Reel (WARZ-R7) is optimized for high-volume production environments. The original MCP6474T-E/SL uses Tape & Reel packaging; equivalent distribution formats are available across the substitute series.

Frequently Asked Questions (FAQ)

Q1: Can AD8544 series parts directly replace the MCP6474T-E/SL in all applications?

A: AD8544 series parts are mechanically and electrically compatible with the MCP6474T-E/SL in terms of package, pinout, supply voltage range, and operating temperature. However, the AD8544 series has lower slew rate (0.92 V/µs vs. 1.1 V/µs) and lower gain bandwidth product (1 MHz vs. 2 MHz). Direct replacement is suitable for applications where these lower performance metrics do not impact circuit function. Applications requiring the original slew rate and bandwidth specifications should use AD8604 or AD8608 series alternatives.

Q2: What is the difference between AD8604ARZ and AD8604DRZ variants?

A: Both AD8604ARZ and AD8604DRZ are CMOS amplifiers in the DigiTrim series with identical slew rate (6 V/µs), gain bandwidth product (8.4 MHz), supply current (750 µA x4 Channels), and output current (50 mA per channel). The primary difference is input offset voltage: AD8604ARZ specifies 80 µV, while AD8604DRZ specifies 1.3 mV. Selection depends on offset voltage tolerance requirements of the application. Both maintain 14-SOIC packaging, Active status, ROHS3 compliance, and MSL 1 rating.

Q3: Why do AD8604 and AD8608 series parts consume more supply current than the MCP6474T-E/SL?

A: The AD8604 series (750 µA x4 Channels) and AD8608 series (1 mA x4 Channels) consume higher supply current because they deliver significantly higher performance: slew rate of 5-6 V/µs (vs. 1.1 V/µs) and gain bandwidth product of 8.4-10 MHz (vs. 2 MHz). Higher bandwidth and slew rate require increased bias current in the amplifier stages. Applications with strict power budgets should evaluate whether the performance enhancement justifies the increased supply current, or select the lower-power AD8544 series if performance requirements permit.

Q4: Are all substitute parts available in the same packaging format as the MCP6474T-E/SL?

A: The MCP6474T-E/SL uses Tape & Reel (TR) packaging. Equivalent Tape & Reel packaging is available for AD8544WARZ-R7. Other substitute parts are available in Tube (ARZ, DRZ) or Cut Tape & Digi-Reel (ARZ-REEL, ARZ-REEL7, DRZ-REEL) formats. All variants use the identical 14-SOIC (0.154", 3.90mm Width) package footprint and pinout, ensuring mechanical compatibility on PCBs. Packaging selection should align with assembly process requirements and supply chain logistics.

Q5: Do all substitute parts meet the same compliance and environmental standards as the MCP6474T-E/SL?

A: Yes. All substitute parts listed maintain Active product status, ROHS3 compliance, and Moisture Sensitivity Level 1 (Unlimited) rating, matching the MCP6474T-E/SL specifications. All devices operate across the -40°C to 125°C temperature range. Compliance certifications (REACH Unaffected, ECCN EAR99, HTSUS 8542.33.0001) are consistent across the original and substitute parts.

Q6: Which substitute part offers the best balance of performance and power consumption?

A: The AD8604ARZ series provides a balanced profile: slew rate of 6 V/µs (5.5× higher than MCP6474T-E/SL), gain bandwidth product of 8.4 MHz (4.2× higher), and supply current of 750 µA x4 Channels (7.5× higher than MCP6474T-E/SL). For applications requiring moderate performance enhancement without extreme power consumption, AD8604ARZ variants are suitable. For maximum performance within the 14-SOIC form factor, AD8608ARZ is selected despite the highest supply current (1 mA x4 Channels). For power-constrained applications, AD8544 series maintains lower supply current (45 µA x4 Channels) at the cost of reduced bandwidth.

Q7: What is the significance of the DigiTrim series designation for AD8604 and AD8608 parts?

A: DigiTrim is an Analog Devices product series designation indicating precision trimming of input offset voltage during manufacturing. This results in tighter offset voltage specifications (80 µV typical for AD8604ARZ and AD8608ARZ) compared to non-trimmed alternatives. DigiTrim devices are suitable for applications requiring low input offset voltage without external trimming networks. The designation does not affect mechanical compatibility or package format.

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