MCP654T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP654T-E/ST is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail amplifier in a 14-TSSOP surface-mount package. This device is classified as Active product status and is widely used in analog signal conditioning, filtering, and amplification applications requiring low-power operation across industrial and commercial temperature ranges.

Substitute parts are identified when equivalent functional performance can be achieved within the allowed electrical and mechanical parameter specifications. The MCP654T-E/ST serves as the reference baseline for this equivalency analysis.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MCP654T-E/ST	—
Manufacturer	Microchip Technology	—
Category	Linear, Amplifiers	—
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	30	V/µs
Gain Bandwidth Product	50	MHz
Current - Input Bias	6	pA
Voltage - Input Offset	200	µV
Current - Supply	6	mA (x4 Channels)
Current - Output / Channel	150	mA
Voltage - Supply Span (Min)	2.5	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 MCP654T-E/ST are identified based on strict equivalency in the following critical parameters:

Mandatory Equivalency Criteria:

Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Category: Linear, Amplifiers
Amplifier Type: General Purpose
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Product Status: Active

Performance Parameter Ranges (Allowed Variation):

Slew Rate: 0.35 V/µs to 30 V/µs
Gain Bandwidth Product: 1 MHz to 50 MHz
Current - Input Bias: 5 pA to 60 nA
Voltage - Input Offset: 200 µV to 4 mV
Current - Supply: 130 µA to 6 mA (x4 Channels)
Current - Output / Channel: 10 mA to 150 mA
Voltage - Supply Span (Min): 1.8 V to 2.7 V
Voltage - Supply Span (Max): 5 V to 5.5 V
Operating Temperature: -40°C to 85°C or -40°C to 125°C

Substitute parts meeting all mandatory criteria and operating within the allowed performance parameter ranges are classified as direct equivalents for the MCP654T-E/ST.

Parameter Comparison

Parameter	MCP654T-E/ST	BD12734FVJ-E2	LMR934FVJ-E2	LMV324Q1MTX/NOPB	LMV324Q3MT/NOPB	LMV824AIPT	LMV824IPT	LMX324IPT	OPA4348AQPWRQ1	TSV854AIPT	TSV854IPT
Manufacturer	Microchip Technology	Rohm Semiconductor	Rohm Semiconductor	Texas Instruments	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	Texas Instruments	STMicroelectronics	STMicroelectronics
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-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Slew Rate (V/µs)	30	0.4	0.35	1	1	1.9	1.9	0.7	0.5	0.7	0.7
Gain Bandwidth Product (MHz)	50	1	1.4	1	1	5.5	5.5	1.3	1	1.3	1.3
Current - Input Bias (pA/nA)	6 pA	50 nA	5 nA	15 nA	15 nA	60 nA	60 nA	27 nA	8 pA	27 nA	27 nA
Voltage - Input Offset (µV/mV)	200 µV	1 mV	1 mV	1.7 mV	1.7 mV	800 µV	3.5 mV	4 mV	1 mV	800 µV	4 mV
Current - Supply (µA/mA)	6 mA	1.2 mA	250 µA	410 µA	410 µA	300 µA	300 µA	130 µA	45 µA	130 µA	130 µA
Current - Output / Channel (mA)	150	12	90	160	160	70	70	70	10	70	70
Voltage - Supply Span Min (V)	2.5	1.8	1.8	2.7	2.7	2.5	2.5	2.3	2.1	2.5	2.5
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
Operating Temperature (°C)	-40 to 125	-40 to 85	-40 to 85	-40 to 125	-40 to 85	-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
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance. The following selection criteria apply based on provided specifications:

For Extended Temperature Range Applications (-40°C to 125°C): LMV324Q1MTX/NOPB, LMV824AIPT, LMV824IPT, LMX324IPT, OPA4348AQPWRQ1, TSV854AIPT, and TSV854IPT support the full -40°C to 125°C operating range equivalent to the MCP654T-E/ST.

For Automotive-Grade Qualification (AEC-Q100): LMV324Q1MTX/NOPB, LMV324Q3MT/NOPB, LMV824AIPT, LMV824IPT, OPA4348AQPWRQ1, TSV854AIPT, and TSV854IPT carry AEC-Q100 qualification.

For Moisture Sensitivity Level 1 (Unlimited): All substitute parts except OPA4348AQPWRQ1 (MSL 3) maintain MSL 1 classification, matching the MCP654T-E/ST specification.

For Low-Power Supply Current Applications: OPA4348AQPWRQ1 (45 µA), LMR934FVJ-E2 (250 µA), LMX324IPT (130 µA), TSV854AIPT (130 µA), and TSV854IPT (130 µA) offer reduced supply current compared to the MCP654T-E/ST (6 mA).

For High Slew Rate Performance: LMV824AIPT and LMV824IPT (1.9 V/µs) provide the highest slew rate among substitutes, approaching the MCP654T-E/ST specification (30 V/µs).

For High Output Current Capability: LMV324Q1MTX/NOPB and LMV324Q3MT/NOPB (160 mA per channel) deliver output current closest to the MCP654T-E/ST (150 mA per channel).

Frequently Asked Questions (FAQ)

Q1: Can I directly replace MCP654T-E/ST with any of the listed substitute parts?

A: Direct replacement is possible only when the application requirements fall within the allowed parameter ranges of the substitute part. All listed parts share the same 14-TSSOP package, 4-circuit configuration, and rail-to-rail output type. However, differences in slew rate, gain bandwidth product, supply current, and output current must be evaluated against your specific circuit requirements.

Q2: What is the primary difference between the MCP654T-E/ST and the substitute parts?

A: The MCP654T-E/ST features a 30 V/µs slew rate and 50 MHz gain bandwidth product, which are significantly higher than most substitute parts. Substitute parts generally offer lower power consumption and reduced slew rate, making them suitable for low-speed, low-power applications. Selection depends on whether your application requires high-speed performance or prioritizes power efficiency.

Q3: Are all substitute parts compatible with the same PCB layout?

A: Yes. All substitute parts use the identical 14-TSSOP (0.173", 4.40mm Width) surface-mount package. PCB footprints and land patterns are interchangeable. However, verify that your circuit design can tolerate the electrical parameter variations of the selected substitute, particularly slew rate and output current specifications.

Q4: Which substitute part offers the best low-power performance?

A: OPA4348AQPWRQ1 provides the lowest supply current at 45 µA (x4 Channels), followed by LMR934FVJ-E2 at 250 µA. Both are suitable for battery-powered or energy-constrained applications. Note that OPA4348AQPWRQ1 has MSL 3 (168 Hours) instead of MSL 1.

Q5: Do all substitute parts support the full -40°C to 125°C temperature range?

A: No. BD12734FVJ-E2, LMR934FVJ-E2, and LMV324Q3MT/NOPB are rated only to 85°C maximum. For applications requiring -40°C to 125°C operation, use LMV324Q1MTX/NOPB, LMV824AIPT, LMV824IPT, LMX324IPT, OPA4348AQPWRQ1, TSV854AIPT, or TSV854IPT.

Q6: Which substitute parts carry automotive qualification?

A: LMV324Q1MTX/NOPB, LMV324Q3MT/NOPB, LMV824AIPT, LMV824IPT, OPA4348AQPWRQ1, TSV854AIPT, and TSV854IPT all carry AEC-Q100 qualification, suitable for automotive applications.

Q7: What is the significance of Moisture Sensitivity Level (MSL)?

A: MSL indicates the maximum time a component can be exposed to moisture at specified temperature and humidity before soldering. MSL 1 (Unlimited) means no time restriction. MSL 3 (168 Hours) requires the component to be soldered within 168 hours of package opening. For high-volume manufacturing or extended storage, MSL 1 parts are preferred.

Q8: Can I use LMV824AIPT or LMV824IPT as a direct replacement for high-speed applications?

A: LMV824AIPT and LMV824IPT offer 1.9 V/µs slew rate and 5.5 MHz gain bandwidth product, which are lower than the MCP654T-E/ST (30 V/µs, 50 MHz). These parts are suitable for applications with moderate speed requirements but not for high-frequency signal processing where the MCP654T-E/ST's performance is necessary.

Q9: What are the packaging differences between the listed substitute parts?

A: Most substitute parts are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging. The MCP654T-E/ST is supplied in Tape & Reel. Packaging affects handling and automated assembly but does not impact electrical performance. Verify packaging availability with your supplier for production requirements.

Q10: How do I determine which substitute part is best for my application?

A: Identify your critical performance requirements: operating temperature range, supply current budget, required slew rate, output current capability, and automotive qualification needs. Cross-reference these requirements against the Parameter Comparison table. Parts meeting all mandatory criteria and operating within your allowed parameter ranges are suitable substitutes.

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