Request Quote
(Ships tomorrow)
MCP654-E/ST Equivalent & Substitute Parts
Part Overview
The MCP654-E/ST is a general-purpose operational amplifier manufactured by Microchip Technology, featuring four independent circuits in a 14-TSSOP surface-mount package. This device is classified as Active product status and is designed for rail-to-rail applications requiring moderate bandwidth and slew rate performance. The MCP654-E/ST operates across a supply voltage range of 2.5V to 5.5V with an operating temperature range of -40°C to 125°C.
Substitute parts are identified when equivalent functional performance can be achieved within the same package footprint (14-TSSOP) while maintaining compliance with RoHS3 and REACH standards. Substitution becomes necessary due to inventory availability, supply chain optimization, or application-specific performance requirements.
Substiute Parts
Key Parameters
| Parameter | MCP654-E/ST | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 30 | V/µs |
| Gain Bandwidth Product | 50 | MHz |
| Current - Input Bias | 6 | pA |
| Voltage - Input Offset | 200 | µV |
| Current - Supply (Total) | 6 | mA |
| 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 |
| Package / Case | 14-TSSOP | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the MCP654-E/ST are qualified based on the following criteria:
Package Compatibility: All substitute parts must use the 14-TSSOP surface-mount package with identical 0.173" width and 4.40mm dimensions to ensure direct PCB footprint compatibility.
Functional Equivalence: All parts must provide four independent operational amplifier circuits with rail-to-rail output capability.
Electrical Operating Range: Substitute parts must support the application's supply voltage requirements. The MCP654-E/ST operates from 2.5V to 5.5V; substitutes with minimum supply voltage of 2.7V or lower and maximum supply voltage of 5.5V or higher are acceptable for most applications.
Temperature Range: The MCP654-E/ST operates from -40°C to 125°C. Substitutes with -40°C to 85°C range are acceptable for applications not requiring the extended upper temperature limit.
Compliance Standards: All substitute parts must maintain ROHS3 compliance and REACH unaffected status to meet regulatory requirements.
Key Differentiating Parameters: Slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current per channel are the primary electrical parameters that distinguish substitute options and determine suitability for specific circuit designs.
Parameter Comparison
| Parameter | MCP654-E/ST | BD12734FVJ-E2 | LMR934FVJ-E2 | LMV324Q1MTX/NOPB | LMV324Q3MT/NOPB | OPA4348AQPWRQ1 | Unit |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Rohm Semiconductor | Rohm Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | — |
| Number of Circuits | 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 | — |
| Slew Rate | 30 | 0.4 | 0.35 | 1 | 1 | 0.5 | V/µs |
| Gain Bandwidth Product | 50 | 1 | 1.4 | 1 | 1 | 1 | MHz |
| Current - Input Bias | 6 | 50 | 5 | 15 | 15 | 8 | pA / nA |
| Voltage - Input Offset | 200 | 1000 | 1000 | 1700 | 1700 | 1000 | µV |
| Current - Supply (Total) | 6 | 1.2 | 0.25 | 0.41 | 0.41 | 0.045 | mA / µA |
| Current - Output / Channel | 150 | 12 | 90 | 160 | 160 | 10 | mA |
| Voltage - Supply Span (Min) | 2.5 | 1.8 | 1.8 | 2.7 | 2.7 | 2.1 | V |
| Voltage - Supply Span (Max) | 5.5 | 5 | 5 | 5.5 | 5.5 | 5.5 | V |
| Operating Temperature | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 125 | °C |
| Package / Case | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | — |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
| Product Status | Active | Active | Active | Active | Active | Active | — |
Engineering Selection Recommendations
LMV324Q1MTX/NOPB (Texas Instruments): This substitute maintains the full operating temperature range of -40°C to 125°C matching the MCP654-E/ST. It carries AEC-Q100 automotive qualification and is available in Tape & Reel packaging with 3900 units in stock. The LMV324Q1MTX/NOPB is suitable for applications requiring extended temperature performance and automotive-grade reliability.
LMV324Q3MT/NOPB (Texas Instruments): This variant is identical to the LMV324Q1MTX/NOPB in electrical specifications but operates to 85°C maximum temperature. It is packaged in Tube format with 973 units in stock. This substitute is appropriate for applications with reduced upper temperature requirements.
OPA4348AQPWRQ1 (Texas Instruments): This CMOS amplifier maintains the full -40°C to 125°C temperature range and carries AEC-Q100 automotive qualification. It features the lowest supply current consumption at 45µA total and is available in high quantity (26789 units). The OPA4348AQPWRQ1 is optimal for power-sensitive applications. Note that output current per channel is limited to 10mA compared to the MCP654-E/ST's 150mA.
BD12734FVJ-E2 (Rohm Semiconductor): This substitute operates from 1.8V to 5V and is limited to -40°C to 85°C. It is available in Cut Tape & Digi-Reel packaging with 906 units in stock. The BD12734FVJ-E2 is suitable for low-voltage applications where extended temperature range is not required.
LMR934FVJ-E2 (Rohm Semiconductor): This substitute operates from 1.8V to 5V with -40°C to 85°C temperature range. It features the lowest supply current at 250µA and is available in Cut Tape & Digi-Reel packaging with 3126 units in stock. The LMR934FVJ-E2 is appropriate for low-voltage, low-power applications.
All substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical 14-TSSOP package footprints. Selection should be based on specific application requirements for temperature range, supply voltage, output current capability, and power consumption.
Frequently Asked Questions (FAQ)
Q: Can the BD12734FVJ-E2 or LMR934FVJ-E2 be used in applications requiring operation above 85°C?
A: No. Both Rohm Semiconductor parts are rated to a maximum of 85°C. The MCP654-E/ST, LMV324Q1MTX/NOPB, and OPA4348AQPWRQ1 support the full -40°C to 125°C range. Part selection must match the application's temperature requirements.
Q: What is the impact of lower slew rate in substitute parts?
A: The MCP654-E/ST has a slew rate of 30V/µs, while substitute parts range from 0.35V/µs to 1V/µs. Slew rate determines the maximum rate of voltage change at the output. Applications requiring high-speed signal processing or fast transient response may not be suitable for lower slew rate substitutes.
Q: Are all substitute parts pin-compatible with the MCP654-E/ST?
A: All substitute parts use the 14-TSSOP package with identical physical dimensions (0.173" width, 4.40mm). However, pin compatibility must be verified against the specific pinout diagram for each manufacturer's device, as internal circuit topology may differ.
Q: Which substitute offers the lowest power consumption?
A: The OPA4348AQPWRQ1 consumes only 45µA total supply current compared to the MCP654-E/ST's 6mA. This represents a 99.25% reduction in supply current, making it ideal for battery-powered or power-constrained applications.
Q: Can the OPA4348AQPWRQ1 replace the MCP654-E/ST in all applications?
A: The OPA4348AQPWRQ1 has a maximum output current of 10mA per channel versus the MCP654-E/ST's 150mA per channel. Applications requiring high output current drive capability cannot use the OPA4348AQPWRQ1 as a direct substitute.
Q: What is the difference between Tube and Cut Tape & Digi-Reel packaging?
A: Tube packaging is used for lower-volume orders and manual handling. Cut Tape & Digi-Reel packaging is used for automated assembly processes and higher-volume production. Both formats contain the same electronic components; packaging selection depends on manufacturing process requirements.
Q: Do all substitute parts meet automotive qualification standards?
A: The LMV324Q1MTX/NOPB, LMV324Q3MT/NOPB, and OPA4348AQPWRQ1 carry AEC-Q100 automotive qualification. The BD12734FVJ-E2 and LMR934FVJ-E2 do not list automotive qualification. Automotive applications must use AEC-Q100 qualified parts.
Q: What is the significance of input bias current differences?
A: The MCP654-E/ST has 6pA input bias current. Substitutes range from 5pA to 50nA. Lower input bias current reduces loading on the signal source and is beneficial for high-impedance input circuits. Higher input bias current may require source impedance compensation in sensitive applications.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts