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MCP604-E/STVAO Equivalent & Substitute Parts
Part Overview
The MCP604-E/STVAO is a CMOS rail-to-rail operational amplifier manufactured by Microchip Technology, configured as a 4-circuit integrated circuit in 14-TSSOP surface mount packaging. This device is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1). The MCP604-E/STVAO serves applications requiring low-power, precision amplification with rail-to-rail output capability across a 2.7 V to 6 V supply range and operating temperature span of -40°C to 125°C. Equivalent and substitute parts are identified based on matching functional architecture, electrical performance parameters, and mechanical compatibility within the 14-TSSOP package form factor.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 2.3 | V/µs |
| Gain Bandwidth Product | 2.8 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 700 | µV |
| Current - Supply (per 2 Channels) | 230 | µA |
| Current - Output / Channel | 22 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 6 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the MCP604-E/STVAO are identified based on the following substitution criteria:
Primary Matching Criteria:
- 4-circuit operational amplifier architecture
- 14-TSSOP surface mount package (0.173", 4.40mm width)
- Rail-to-rail output configuration
- Operating temperature range: -40°C to 125°C
- Supply voltage compatibility within 2.7 V to 6 V range
- RoHS3 compliance and MSL 1 rating
Electrical Performance Alignment: Substitute parts must maintain functional equivalence in slew rate (1.0 V/µs to 2.3 V/µs), gain bandwidth product (2.8 MHz to 3.5 MHz), input bias current (0.23 pA to 20 nA), and output current per channel (19 mA to 75 mA). Input offset voltage tolerance extends from 250 µV to 1 mV. Supply current specifications vary by device architecture but remain within acceptable operational limits for low-power applications.
Amplifier Type Variations: Substitutes include CMOS amplifiers (OPA4314AIPW, OPA4314AIPWR, TLV2474AIPWR) and general-purpose amplifiers (NCV20064DTBR2G, LMV554MT/NOPB, LMV774MT/NOPB, LMV774MTX/NOPB, TLV4314IPWR). All maintain rail-to-rail output and 4-circuit configuration.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MCP604-E/STVAO | Microchip Technology | CMOS | 2.3 | 2.8 | 1 | 700 | 230 | 22 | 2.7 | 6 | 14-TSSOP |
| NCV20064DTBR2G | onsemi | General Purpose | 1.2 | 3 | 1 | 500 | 140 | 19 | 1.8 | 5.5 | 14-TSSOP |
| LMV554MT/NOPB | Texas Instruments | General Purpose | 1 | 3 | 20 | 1000 | 37 | 25 | 2.7 | 5.5 | 14-TSSOP |
| LMV774MT/NOPB | Texas Instruments | General Purpose | 1.4 | 3.5 | 0.23 | 250 | 600 | 75 | 2.7 | 5.5 | 14-TSSOP |
| LMV774MTX/NOPB | Texas Instruments | General Purpose | 1.4 | 3.5 | 0.23 | 250 | 600 | 75 | 2.7 | 5.5 | 14-TSSOP |
| OPA4314AIPW | Texas Instruments | CMOS | 1.5 | 3 | 1 | 500 | 150 | 20 | 1.8 | 5.5 | 14-TSSOP |
| OPA4314AIPWR | Texas Instruments | CMOS | 1.5 | 3 | 1 | 500 | 150 | 20 | 1.8 | 5.5 | 14-TSSOP |
| TLV2474AIPWR | Texas Instruments | CMOS | 1.5 | 2.8 | 2.5 | 250 | 600 | 35 | 2.7 | 6 | 14-TSSOP |
| TLV4314IPWR | Texas Instruments | General Purpose | 1.5 | 3 | 1 | 750 | 150 | 20 | 1.8 | 5.5 | 14-TSSOP |
Engineering Selection Recommendations
CMOS Amplifier Substitutes (Direct Type Match):
OPA4314AIPWR and OPA4314AIPW represent direct CMOS amplifier equivalents manufactured by Texas Instruments. Both devices maintain CMOS architecture, 4-circuit configuration, and rail-to-rail output. The OPA4314AIPWR variant is supplied in Cut Tape & Digi-Reel packaging with 21,100 units in stock, while OPA4314AIPW is supplied in Bulk packaging with 2,203 units available. Both are RoHS3 compliant with MSL 2 rating (1 Year). Supply voltage range extends to 1.8 V minimum, providing broader low-voltage application support compared to the MCP604-E/STVAO.
TLV2474AIPWR is a CMOS amplifier supplied by Texas Instruments in Tape & Reel packaging with 2,300 units in stock. This device matches the MCP604-E/STVAO supply voltage range (2.7 V to 6 V) and MSL 1 rating. Gain bandwidth product is identical at 2.8 MHz. Input offset voltage is significantly lower at 250 µV versus 700 µV on the main part. Output current per channel is higher at 35 mA.
General Purpose Amplifier Substitutes:
NCV20064DTBR2G is manufactured by onsemi as a general-purpose amplifier with automotive qualification (AEC-Q100). This device is supplied in Tape & Reel packaging with 5,649 units in stock. It provides lower supply current (140 µA for 4 channels) and reduced input offset voltage (500 µV). Supply voltage minimum extends to 1.8 V. The automotive grade designation indicates suitability for temperature-critical applications.
LMV554MT/NOPB and LMV774MT/NOPB are general-purpose amplifiers from Texas Instruments supplied in Tube packaging. LMV554MT/NOPB offers the lowest supply current at 37 µA for 4 channels with 1,201 units in stock. LMV774MT/NOPB provides higher output current capability (75 mA per channel) and superior input bias current performance (0.23 pA) with 1,593 units in stock.
LMV774MTX/NOPB is the Cut Tape & Digi-Reel variant of LMV774MT/NOPB with identical electrical specifications and 25,100 units in stock, providing maximum availability.
TLV4314IPWR is a general-purpose amplifier from Texas Instruments supplied in Cut Tape & Digi-Reel packaging with 35,200 units in stock, representing the highest inventory availability among all substitutes. This device maintains 1 pA input bias current matching the main part and operates across 1.8 V to 5.5 V supply range.
Compliance and Certification:
All substitute parts maintain RoHS3 compliance and REACH unaffected status. MSL ratings vary between 1 (Unlimited) and 2 (1 Year). The MCP604-E/STVAO and TLV2474AIPWR both carry MSL 1 designation. Selection based on moisture sensitivity requirements and storage conditions is necessary for applications with extended shelf life requirements.
Frequently Asked Questions (FAQ)
Q: Can OPA4314AIPWR directly replace MCP604-E/STVAO in existing designs?
A: OPA4314AIPWR is a CMOS amplifier with 4-circuit configuration in 14-TSSOP packaging, matching the core architecture of MCP604-E/STVAO. Pin-to-pin compatibility exists for the 14-TSSOP package. However, electrical parameter differences must be evaluated: OPA4314AIPWR operates at 1.8 V minimum supply voltage (versus 2.7 V for MCP604-E/STVAO), has lower slew rate (1.5 V/µs versus 2.3 V/µs), and reduced input offset voltage (500 µV versus 700 µV). Circuit performance validation is required for applications sensitive to these parameter variations.
Q: What is the difference between LMV774MT/NOPB and LMV774MTX/NOPB?
A: LMV774MT/NOPB and LMV774MTX/NOPB are electrically identical general-purpose amplifiers with identical specifications. The primary difference is packaging format: LMV774MT/NOPB is supplied in Tube packaging, while LMV774MTX/NOPB is supplied in Cut Tape & Digi-Reel format. LMV774MTX/NOPB has significantly higher inventory availability (25,100 units versus 1,593 units). Selection depends on procurement and assembly process requirements.
Q: Is NCV20064DTBR2G suitable for automotive applications?
A: NCV20064DTBR2G carries AEC-Q100 automotive qualification and is designated as automotive grade. This device is suitable for automotive applications requiring temperature cycling and reliability standards compliance. The automotive qualification indicates testing and validation for automotive environmental conditions. Non-automotive variants of other substitute parts do not carry this designation.
Q: What supply voltage range should be considered when selecting a substitute?
A: The MCP604-E/STVAO operates across 2.7 V to 6 V supply range. Substitute parts vary in minimum supply voltage: OPA4314AIPWR, OPA4314AIPW, TLV4314IPWR, and NCV20064DTBR2G operate at 1.8 V minimum, providing broader low-voltage capability. LMV554MT/NOPB, LMV774MT/NOPB, and LMV774MTX/NOPB operate at 2.7 V minimum, matching the main part. TLV2474AIPWR matches the full 2.7 V to 6 V range. Application supply voltage requirements determine which substitutes are compatible.
Q: How do slew rate differences affect circuit performance?
A: Slew rate determines the maximum rate of output voltage change. MCP604-E/STVAO has 2.3 V/µs slew rate, while most substitutes range from 1.0 V/µs to 1.5 V/µs, with LMV774MT/NOPB and LMV774MTX/NOPB at 1.4 V/µs. Lower slew rate may limit high-frequency signal handling and transient response speed. Applications requiring fast signal transitions or high-frequency operation should prioritize higher slew rate specifications.
Q: What is the significance of input bias current differences?
A: Input bias current affects circuit accuracy in high-impedance applications. MCP604-E/STVAO specifies 1 pA input bias current. LMV554MT/NOPB has significantly higher input bias current at 20 nA, while LMV774MT/NOPB and LMV774MTX/NOPB have lower input bias current at 0.23 pA. High-impedance sensor interfaces and precision measurement circuits are sensitive to input bias current variations. Selection should match application impedance requirements.
Q: Are all substitute parts available in the same 14-TSSOP package?
A: All substitute parts listed are configured in 14-TSSOP surface mount packaging with 0.173" width and 4.40mm height, matching the MCP604-E/STVAO package specification. Pin-to-pin compatibility exists across all listed devices. Packaging format (Tube, Tape & Reel, Cut Tape & Digi-Reel, Bulk) varies by supplier and part number variant but does not affect the physical package dimensions or PCB footprint.
Q: What is the difference between CMOS and general-purpose amplifier types?
A: CMOS amplifiers (MCP604-E/STVAO, OPA4314AIPWR, OPA4314AIPW, TLV2474AIPWR) utilize CMOS input stage technology, providing extremely low input bias current (1 pA to 2.5 pA range). General-purpose amplifiers (NCV20064DTBR2G, LMV554MT/NOPB, LMV774MT/NOPB, LMV774MTX/NOPB, TLV4314IPWR) may use alternative input stage architectures. CMOS devices are preferred for high-impedance applications and low-power operation. General-purpose devices may offer different performance trade-offs in offset voltage, supply current, or output current capability.
Q: How should moisture sensitivity level (MSL) be considered in part selection?
A: MCP604-E/STVAO carries MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions on storage or shelf life. Most substitute parts carry either MSL 1 or MSL 2 (1 Year) ratings. MSL 2 devices require controlled storage conditions and have a 1-year maximum shelf life from manufacturing date. Applications with extended storage requirements or uncontrolled warehouse conditions should prioritize MSL 1 rated devices. TLV2474AIPWR matches the MSL 1 specification of the main part.
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