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MCP6L4T-E/ST Equivalent & Substitute Parts
Part Overview
The MCP6L4T-E/ST is a general-purpose operational amplifier featuring four independent circuits in a 14-TSSOP surface mount package. Manufactured by Microchip Technology, this rail-to-rail amplifier operates across a 2.7V to 6V supply range with a gain bandwidth product of 2.8 MHz and slew rate of 2.3V/µs. The device is ROHS3 compliant with unlimited moisture sensitivity rating and is currently in active production status.
Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits selection from qualified alternatives meeting the same functional and electrical requirements within the 14-TSSOP package format.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | MCP6L4T-E/ST | — |
| Manufacturer | Microchip Technology | — |
| 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 | 2.3 | V/µs |
| Gain Bandwidth Product | 2.8 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 200 | µA (x4 Channels) |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 6 | V |
| Operating Temperature | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitute parts for the MCP6L4T-E/ST are qualified based on the following criteria:
Primary Substitution Criteria:
- Four independent operational amplifier circuits
- Rail-to-rail output configuration
- 14-TSSOP surface mount package (0.173", 4.40mm width)
- General-purpose amplifier classification
- Operating temperature range: -40°C to 125°C (or compatible subset)
- Supply voltage compatibility: minimum 2.7V, maximum 5.5V or higher
Secondary Compatibility Parameters:
- Slew rate: 1V/µs or greater
- Gain bandwidth product: 1 MHz or greater
- Input bias current: within acceptable range for application
- Input offset voltage: within acceptable range for application
- Output current capability: 20 mA or greater per channel
- Supply current: acceptable for power budget constraints
Substitutes are grouped into two categories: Manufacturer-Recommended Direct Substitutes (functionally equivalent with enhanced or comparable specifications) and Compatible Alternatives (meeting all primary criteria with variations in secondary parameters).
Parameter Comparison
| Part Number | Manufacturer | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA/nA) | Input Offset (mV/µV) | Supply Current (µA) | Output Current (mA) | Voltage Supply Min (V) | Voltage Supply Max (V) | Temp Range (°C) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MCP6L4T-E/ST | Microchip | 2.3 | 2.8 | 1 pA | 1 | 200 | 20 | 2.7 | 6 | -40 to 125 | CT & Digi-Reel |
| MCP6479T-E/ST | Microchip | 3.2 | 3 | 1 pA | 1.6 | 140 | — | 1.8 | 5.5 | -40 to 125 | Tape & Reel |
| NCS20064DTBR2G | onsemi | 1.2 | 3 | 1 pA | 0.5 | 140 | 19 | 1.8 | 5.5 | -40 to 125 | Tape & Reel |
| LMV324Q1MTX/NOPB | Texas Instruments | 1 | 1 | 15 nA | 1.7 | 410 | 160 | 2.7 | 5.5 | -40 to 125 | Tape & Reel |
| LMV324Q3MT/NOPB | Texas Instruments | 1 | 1 | 15 nA | 1.7 | 410 | 160 | 2.7 | 5.5 | -40 to 85 | Tube |
| LMV554MT/NOPB | Texas Instruments | 1 | 3 | 20 nA | 1 | 37 | 25 | 2.7 | 5.5 | -40 to 125 | Tube |
| LMV774MT/NOPB | Texas Instruments | 1.4 | 3.5 | 0.23 pA | 0.25 | 600 | 75 | 2.7 | 5.5 | -40 to 125 | Tube |
| LMV774MTX/NOPB | Texas Instruments | 1.4 | 3.5 | 0.23 pA | 0.25 | 600 | 75 | 2.7 | 5.5 | -40 to 125 | CT & Digi-Reel |
| LMV824DTBR2G | onsemi | 2 | 5.6 | 119 nA | 1 | 1000 | 45 | 2.7 | 5.5 | -40 to 85 | Tape & Reel |
| LMV824IPT | STMicroelectronics | 1.9 | 5.5 | 60 nA | 3.5 | 300 | 70 | 2.5 | 5.5 | -40 to 125 | CT & Digi-Reel |
| LMV824Q1MT/NOPB | Texas Instruments | 1.4 | 5.6 | 40 nA | 1 | 1000 | 45 | 2.5 | 5.5 | -40 to 125 | Tube |
Engineering Selection Recommendations
Microchip Technology Substitutes:
MCP6479T-E/ST is a manufacturer-recommended substitute offering improved slew rate (3.2V/µs vs. 2.3V/µs) and gain bandwidth product (3 MHz vs. 2.8 MHz) with reduced supply current (140µA vs. 200µA). This part maintains identical input bias current and is ROHS3 compliant. Supply voltage range is 1.8V to 5.5V, which is compatible with the MCP6L4T-E/ST operating envelope. Operating temperature range remains -40°C to 125°C. Packaging is Tape & Reel format.
onsemi Substitutes:
NCS20064DTBR2G is an automotive-qualified part (AEC-Q100) with superior input offset voltage (0.5 mV vs. 1 mV) and identical input bias current. Slew rate is lower at 1.2V/µs. Supply voltage range is 1.8V to 5.5V. Output current per channel is 19 mA, marginally below the MCP6L4T-E/ST specification of 20 mA. Operating temperature range is -40°C to 125°C. ROHS3 compliant.
LMV824DTBR2G offers higher gain bandwidth product (5.6 MHz) and slew rate (2 MHz) with increased output current capability (45 mA per channel). Supply current is elevated at 1 mA. Operating temperature range is limited to -40°C to 85°C. ROHS3 compliant. Tape & Reel packaging.
Texas Instruments Substitutes:
LMV324Q1MTX/NOPB and LMV324Q3MT/NOPB are automotive-qualified (AEC-Q100) alternatives with lower gain bandwidth product (1 MHz) and slew rate (1V/µs). Input bias current is higher at 15 nA. Output current capability is significantly higher at 160 mA per channel. Supply current is elevated at 410µA. LMV324Q1MTX/NOPB operates -40°C to 125°C in Tape & Reel packaging; LMV324Q3MT/NOPB operates -40°C to 85°C in Tube packaging. Both are ROHS3 compliant.
LMV554MT/NOPB provides the lowest supply current (37µA) with 3 MHz gain bandwidth product and 1V/µs slew rate. Output current is 25 mA per channel. Operating temperature range is -40°C to 125°C. Tube packaging. ROHS3 compliant.
LMV774MT/NOPB and LMV774MTX/NOPB feature differential output configuration with superior input offset voltage (0.25 mV), higher gain bandwidth product (3.5 MHz), and increased output current (75 mA per channel). Supply current is elevated at 600µA. Both operate -40°C to 125°C and are ROHS3 compliant. LMV774MT/NOPB is Tube packaged; LMV774MTX/NOPB is Cut Tape & Digi-Reel packaged.
LMV824Q1MT/NOPB is automotive-qualified (AEC-Q100) with 5.6 MHz gain bandwidth product, 1.4V/µs slew rate, and 45 mA output current per channel. Supply current is 1 mA. Operating temperature range is -40°C to 125°C. Tube packaging. ROHS3 compliant.
STMicroelectronics Substitute:
LMV824IPT offers 5.5 MHz gain bandwidth product and 1.9V/µs slew rate with 70 mA output current per channel. Input bias current is 60 nA. Supply voltage range is 2.5V to 5.5V. Operating temperature range is -40°C to 125°C with automotive qualification (AEC-Q100). ROHS3 compliant. Cut Tape & Digi-Reel packaging.
Selection Basis:
All substitute parts maintain the four-circuit, rail-to-rail, 14-TSSOP surface mount configuration. Selection should prioritize parts with matching or extended operating temperature ranges (-40°C to 125°C preferred), ROHS3 compliance, and supply voltage compatibility within the 2.7V to 5.5V window. Automotive-qualified parts (AEC-Q100) are available from onsemi, Texas Instruments, and STMicroelectronics for applications requiring automotive-grade reliability.
Frequently Asked Questions (FAQ)
Q: Can LMV324Q3MT/NOPB replace MCP6L4T-E/ST in all applications?
A: LMV324Q3MT/NOPB is functionally compatible in the 14-TSSOP package with four rail-to-rail circuits. However, the operating temperature range is limited to -40°C to 85°C, compared to MCP6L4T-E/ST at -40°C to 125°C. Applications requiring operation above 85°C require alternative selection. Gain bandwidth product is lower (1 MHz vs. 2.8 MHz) and slew rate is lower (1V/µs vs. 2.3V/µs). Use LMV324Q1MTX/NOPB for full -40°C to 125°C range with identical electrical characteristics.
Q: What is the difference between LMV774MT/NOPB and LMV774MTX/NOPB?
A: Both parts are electrically identical with 3.5 MHz gain bandwidth product, 1.4V/µs slew rate, and -40°C to 125°C operating range. The primary difference is packaging: LMV774MT/NOPB is supplied in Tube format, while LMV774MTX/NOPB is supplied in Cut Tape & Digi-Reel format. Additionally, LMV774 series features differential output configuration, whereas MCP6L4T-E/ST has standard rail-to-rail output. Verify application compatibility with differential output topology before substitution.
Q: Is NCS20064DTBR2G suitable for automotive applications?
A: Yes. NCS20064DTBR2G carries AEC-Q100 automotive qualification and is manufactured by onsemi. It meets automotive-grade reliability standards. Operating temperature range is -40°C to 125°C. Input offset voltage is superior at 0.5 mV. Output current per channel is 19 mA, marginally below MCP6L4T-E/ST at 20 mA. Verify output current requirement in specific application before selection.
Q: Why does LMV554MT/NOPB have significantly lower supply current?
A: LMV554MT/NOPB is optimized for low-power applications with 37µA total supply current across four channels, compared to 200µA for MCP6L4T-E/ST. This is achieved through circuit design trade-offs: gain bandwidth product is 3 MHz (comparable to MCP6L4T-E/ST at 2.8 MHz), but slew rate is lower at 1V/µs. Output current capability is 25 mA per channel. Selection depends on power budget constraints versus performance requirements.
Q: Can I substitute MCP6L4T-E/ST with LMV824DTBR2G?
A: LMV824DTBR2G is electrically compatible in the 14-TSSOP package with four rail-to-rail circuits. It offers superior gain bandwidth product (5.6 MHz vs. 2.8 MHz) and slew rate (2V/µs vs. 2.3V/µs). However, operating temperature range is limited to -40°C to 85°C, and supply current is elevated at 1 mA. Use LMV824Q1MT/NOPB for full -40°C to 125°C range with automotive qualification.
Q: What packaging options are available for substitutes?
A: Substitute parts are available in three packaging formats: Cut Tape & Digi-Reel (CT), Tape & Reel (TR), and Tube. MCP6L4T-E/ST is supplied in Cut Tape & Digi-Reel format. Equivalent parts in the same packaging format include MCP6479T-E/ST (Tape & Reel), LMV774MTX/NOPB (Cut Tape & Digi-Reel), and LMV824IPT (Cut Tape & Digi-Reel). Verify packaging compatibility with assembly equipment and procurement requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant. Moisture sensitivity level (MSL) is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions during storage and handling.
Q: Which substitute offers the best input offset voltage performance?
A: LMV774MT/NOPB and LMV774MTX/NOPB offer the lowest input offset voltage at 0.25 mV, compared to MCP6L4T-E/ST at 1 mV. NCS20064DTBR2G provides 0.5 mV. These parts are suitable for precision analog applications requiring minimal offset drift. Note that LMV774 series features differential output configuration, requiring application topology verification.
Q: What is the supply voltage compatibility window for all substitutes?
A: MCP6L4T-E/ST operates 2.7V to 6V. Most substitutes operate within 2.7V to 5.5V, which is compatible with the lower end of MCP6L4T-E/ST range. LMV824IPT operates 2.5V to 5.5V. MCP6479T-E/ST and NCS20064DTBR2G operate 1.8V to 5.5V, providing extended low-voltage capability. Verify minimum supply voltage requirement in specific application before substitution.
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