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MCP6144T-E/ST Equivalent & Substitute Parts
Part Overview
The MCP6144T-E/ST is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail device in a 14-TSSOP surface-mount package. This component is classified as Active product status and is ROHS3 compliant. The MCP6144T-E/ST is supplied in Tape & Reel (TR) packaging with 970 units currently in stock.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain constraints, or design optimization within the allowed parameter specifications for general-purpose amplifier applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Microchip Technology | — |
| Part Number | MCP6144T-E/ST | — |
| 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 | 0.024 | V/µs |
| Gain Bandwidth Product | 100 | kHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 3 | mV |
| Current - Supply | 600 | nA (x4 Channels) |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 1.4 | V |
| Voltage - Supply Span (Max) | 6 | V |
| Operating Temperature | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the MCP6144T-E/ST are identified based on strict electrical and mechanical compatibility within the following criteria:
Primary Substitution Criteria:
- Number of Circuits: 4 (quad configuration required)
- Output Type: Rail-to-Rail
- Package / Case: 14-TSSOP (0.173", 4.40mm Width)
- Mounting Type: Surface Mount
- Operating Temperature Range: Minimum -40°C to 125°C support
- RoHS Status: ROHS3 Compliant
Secondary Electrical Parameters (within acceptable tolerance):
- Slew Rate: 0.024 V/µs or higher
- Gain Bandwidth Product: 100 kHz or higher
- Current - Input Bias: 1 pA or lower
- Voltage - Input Offset: 3 mV or lower
- Current - Supply: 600 nA (x4 Channels) or lower
- Current - Output / Channel: 20 mA or higher
- Voltage - Supply Span: 1.4 V to 6 V overlap required
Substitute parts are grouped into two categories: Direct Packaging Equivalents (same packaging format) and Functional Equivalents (same electrical performance class with compatible packaging).
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Number of Circuits | Slew Rate (V/µs) | GBW (kHz) | Input Bias (pA) | Input Offset (mV) | Supply Current (nA) | Output Current (mA) | Supply Span Min (V) | Supply Span Max (V) | Temp Range (°C) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MCP6144T-E/ST | Microchip Technology | General Purpose | 4 | 0.024 | 100 | 1 | 3 | 600 | 20 | 1.4 | 6 | -40 to 125 | Tape & Reel (TR) |
| MCP6144-E/ST | Microchip Technology | General Purpose | 4 | 0.024 | 100 | 1 | 3 | 600 | 20 | 1.4 | 6 | -40 to 125 | Tube |
| AD8648ARUZ | Analog Devices Inc. | General Purpose | 4 | 11 | 24000 | 0.3 | 0.6 | 1500 | 120 | 2.7 | 5.5 | -40 to 125 | Tube |
| AD8648ARUZ-REEL | Analog Devices Inc. | General Purpose | 4 | 11 | 24000 | 0.3 | 0.6 | 1500 | 120 | 2.7 | 5.5 | -40 to 125 | Cut Tape (CT) & Digi-Reel® |
| BD12734FVJ-E2 | Rohm Semiconductor | General Purpose | 4 | 0.4 | 1000 | 50 | 1 | 1200 | 12 | 1.8 | 5 | -40 to 85 | Cut Tape (CT) & Digi-Reel® |
| LMR934FVJ-E2 | Rohm Semiconductor | General Purpose | 4 | 0.35 | 1400 | 5 | 1 | 250 | 90 | 1.8 | 5 | -40 to 85 | Cut Tape (CT) & Digi-Reel® |
| OPA4348AQPWRQ1 | Texas Instruments | CMOS | 4 | 0.5 | 1000 | 8 | 1 | 45 | 10 | 2.1 | 5.5 | -40 to 125 | Tape & Reel (TR) |
| TLV4379IPWR | Texas Instruments | General Purpose | 1 | 0.03 | 90 | 5 | 0.8 | 4 | — | 1.8 | 5.5 | -40 to 125 | Tape & Reel (TR) |
| TSV714IPT | STMicroelectronics | CMOS | 4 | 0.06 | 150 | 1 | 0.2 | 10 | 56 | 1.5 | 5.5 | -40 to 125 | Cut Tape (CT) |
| TSV734IPT | STMicroelectronics | CMOS | 4 | 0.35 | 900 | 1 | 0.2 | 58 | 68 | 1.5 | 5.5 | -40 to 125 | Tape & Reel (TR) |
| TSV914AIPT | STMicroelectronics | General Purpose | 4 | 4.5 | 8000 | 1 | 1.5 | 780 | 35 | 2.5 | 5.5 | -40 to 125 | Cut Tape (CT) & Digi-Reel® |
Engineering Selection Recommendations
Direct Equivalent (Identical Electrical Specifications):
The MCP6144-E/ST (Microchip Technology) is a direct electrical equivalent to the MCP6144T-E/ST, differing only in packaging format (Tube versus Tape & Reel). Both parts maintain identical electrical characteristics and are ROHS3 compliant with MSL 1 rating. Selection between these two depends on assembly process requirements and packaging handling procedures.
Functional Equivalents (4-Circuit Rail-to-Rail, 14-TSSOP Package):
The following parts meet the core substitution criteria of 4-circuit configuration, rail-to-rail output, 14-TSSOP package, surface-mount technology, and ROHS3 compliance:
TSV714IPT (STMicroelectronics): CMOS amplifier with superior input offset voltage (0.2 mV versus 3 mV) and lower supply current (10 µA versus 600 nA per channel). Supports full -40°C to 125°C temperature range. Suitable for applications requiring lower input offset and extended temperature operation.
TSV734IPT (STMicroelectronics): CMOS amplifier with higher slew rate (0.35 V/µs) and gain bandwidth product (900 kHz). Supports full -40°C to 125°C temperature range. Suitable for applications requiring faster signal response.
TSV914AIPT (STMicroelectronics): General-purpose amplifier with significantly higher slew rate (4.5 V/µs) and gain bandwidth product (8 MHz). AEC-Q100 automotive qualified. Supports full -40°C to 125°C temperature range. Suitable for high-speed signal processing and automotive applications.
AD8648ARUZ / AD8648ARUZ-REEL (Analog Devices Inc.): General-purpose amplifier with superior performance specifications: slew rate 11 V/µs, gain bandwidth product 24 MHz, input offset 0.6 µV, and output current 120 mA. Supports -40°C to 125°C temperature range. Suitable for precision and high-bandwidth applications. Available in Tube and Cut Tape & Digi-Reel® packaging.
OPA4348AQPWRQ1 (Texas Instruments): CMOS amplifier with AEC-Q100 automotive qualification. Slew rate 0.5 V/µs, gain bandwidth product 1 MHz. Supports -40°C to 125°C temperature range. MSL 3 rating. Suitable for automotive applications requiring formal qualification.
Limited Compatibility (Reduced Performance or Temperature Range):
BD12734FVJ-E2 (Rohm Semiconductor): General-purpose amplifier with reduced operating temperature range (-40°C to 85°C, not 125°C). Lower output current (12 mA versus 20 mA). Suitable only for applications not requiring extended high-temperature operation.
LMR934FVJ-E2 (Rohm Semiconductor): General-purpose amplifier with reduced operating temperature range (-40°C to 85°C, not 125°C). Lower output current (90 mA) but higher supply current (250 µA). Suitable only for applications not requiring extended high-temperature operation.
Not Recommended as Direct Substitute:
TLV4379IPWR (Texas Instruments): Single-circuit amplifier (1 circuit versus 4 circuits required). Not suitable for applications requiring quad-channel configuration.
Frequently Asked Questions (FAQ)
Q: Can I substitute MCP6144-E/ST (Tube packaging) for MCP6144T-E/ST (Tape & Reel)?
A: Yes. Both parts are electrically identical with identical electrical specifications, RoHS compliance, and MSL ratings. The difference is packaging format only. Selection depends on your assembly process: Tape & Reel is standard for automated pick-and-place equipment; Tube packaging is used for manual assembly or alternative handling procedures.
Q: What is the key difference between the MCP6144T-E/ST and TSV714IPT?
A: Both are 4-circuit rail-to-rail amplifiers in 14-TSSOP packages. The TSV714IPT (STMicroelectronics CMOS) offers superior input offset voltage (0.2 mV versus 3 mV) and lower supply current (10 µA versus 600 nA per channel). The MCP6144T-E/ST has lower slew rate (0.024 V/µs versus 0.06 V/µs). Choose TSV714IPT for applications requiring lower input offset; choose MCP6144T-E/ST for ultra-low power consumption applications.
Q: Is the AD8648ARUZ a suitable replacement for the MCP6144T-E/ST?
A: Yes, with performance enhancements. The AD8648ARUZ is a 4-circuit rail-to-rail amplifier in 14-TSSOP package with superior electrical performance: slew rate 11 V/µs (versus 0.024 V/µs), gain bandwidth product 24 MHz (versus 100 kHz), and input offset 0.6 µV (versus 3 mV). Both support -40°C to 125°C operation and are ROHS3 compliant. The AD8648ARUZ is suitable for applications requiring higher bandwidth and precision. Supply voltage range differs: AD8648ARUZ requires 2.7 V to 5.5 V; MCP6144T-E/ST supports 1.4 V to 6 V.
Q: Can I use TSV914AIPT in place of MCP6144T-E/ST?
A: Yes. The TSV914AIPT is a 4-circuit rail-to-rail general-purpose amplifier in 14-TSSOP package with full -40°C to 125°C temperature support and ROHS3 compliance. It offers significantly higher performance: slew rate 4.5 V/µs (versus 0.024 V/µs) and gain bandwidth product 8 MHz (versus 100 kHz). The TSV914AIPT includes AEC-Q100 automotive qualification. Choose TSV914AIPT for high-speed applications or automotive environments; choose MCP6144T-E/ST for ultra-low power applications.
Q: Why is TLV4379IPWR not recommended as a substitute?
A: The TLV4379IPWR is a single-circuit amplifier (1 circuit), while the MCP6144T-E/ST is a quad amplifier (4 circuits). These are fundamentally different configurations. The TLV4379IPWR cannot replace the MCP6144T-E/ST in applications requiring four independent amplifier channels.
Q: What are the temperature limitations of Rohm Semiconductor substitutes?
A: Both BD12734FVJ-E2 and LMR934FVJ-E2 from Rohm Semiconductor have reduced operating temperature ranges (-40°C to 85°C) compared to the MCP6144T-E/ST (-40°C to 125°C). These parts are not suitable for applications requiring operation above 85°C. Use only if your application operates within -40°C to 85°C limits.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Tape & Reel (TR) for automated assembly, Cut Tape (CT) for semi-automated processes, Tube for manual assembly, and Cut Tape & Digi-Reel® for flexible handling. The 14-TSSOP package case remains consistent across all substitutes. Verify your assembly equipment compatibility before selecting packaging format.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant. Moisture Sensitivity Level (MSL) varies: most parts are MSL 1 (Unlimited); OPA4348AQPWRQ1 is MSL 3 (168 Hours). Verify MSL requirements for your storage and handling procedures.
Q: Which substitute offers the best low-power performance?
A: The OPA4348AQPWRQ1 (Texas Instruments) offers the lowest supply current at 45 µA (x4 Channels), compared to the MCP6144T-E/ST at 600 nA (x4 Channels). However, the MCP6144T-E/ST remains the lowest-power option. For ultra-low power applications, the MCP6144T-E/ST is the preferred choice.
Q: Can I use automotive-qualified parts in non-automotive applications?
A: Yes. Automotive-qualified parts (TSV914AIPT with AEC-Q100, OPA4348AQPWRQ1 with AEC-Q100) meet or exceed commercial specifications and can be used in non-automotive applications. Automotive qualification indicates additional reliability testing and process controls, providing enhanced quality assurance for any application.
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