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OPA4316IPWR Equivalent & Substitute Parts
Part Overview
The OPA4316IPWR is a CMOS rail-to-rail operational amplifier manufactured by Texas Instruments, configured as a quad-channel integrated circuit in a 14-TSSOP surface mount package. This device is classified as Active product status and is ROHS3 compliant. The OPA4316IPWR serves applications requiring low-power CMOS amplification with rail-to-rail output capability across a wide supply voltage range of 1.8 V to 5.5 V. Substitute parts are identified when equivalent functional performance, package compatibility, and electrical parameter alignment are required for design flexibility, supply chain optimization, or inventory management.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | OPA4316IPWR | — |
| Manufacturer | Texas Instruments | — |
| Number of Circuits | 4 | — |
| Amplifier Type | CMOS | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 6 | V/µs |
| Gain Bandwidth Product | 10 | MHz |
| Current - Input Bias | 5 | pA |
| Voltage - Input Offset | 500 | µV |
| Current - Supply | 400 | µA (x4 Channels) |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 1.8 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitute parts for the OPA4316IPWR are qualified based on the following criteria:
Package Compatibility: All substitute parts must use the 14-TSSOP surface mount package with identical 0.173" (4.40mm) width to ensure direct PCB footprint compatibility.
Circuit Configuration: All substitute parts must provide four independent amplifier circuits in a single package to maintain functional equivalence.
Output Architecture: All substitute parts must feature rail-to-rail output capability to preserve signal swing characteristics across the supply voltage range.
Supply Voltage Range: Substitute parts must operate within or encompass the OPA4316IPWR supply range of 1.8 V to 5.5 V minimum. Parts with extended maximum supply voltage (up to 6 V) remain compatible.
Operating Temperature: Substitute parts must support the -40°C to 125°C operating temperature range to ensure thermal compatibility in equivalent applications.
Compliance Standards: All substitute parts must maintain ROHS3 compliance and Active product status for regulatory and supply chain continuity.
Electrical Performance: While amplifier type may differ (General Purpose versus CMOS), substitute parts must deliver comparable slew rate, gain bandwidth product, and output current per channel to function in equivalent circuit topologies.
Parameter Comparison
| Parameter | OPA4316IPWR | LMV824DTBR2G | LMV824IPT | MCP6284-E/ST | MCP6284T-E/ST | MCP6294-E/ST | MCP6294T-E/ST |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | onsemi | STMicroelectronics | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Amplifier Type | CMOS | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Output Type | 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 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Slew Rate (V/µs) | 6 | 2 | 1.9 | 2.5 | 2.5 | 7 | 7 |
| Gain Bandwidth Product (MHz) | 10 | 5.6 | 5.5 | 5 | 5 | 10 | 10 |
| Current - Input Bias (pA/nA) | 5 pA | 119 nA | 60 nA | 1 pA | 1 pA | 1 pA | 1 pA |
| Voltage - Input Offset (mV) | 0.5 | 1 | 3.5 | 3 | 3 | 3 | 3 |
| Current - Supply (µA) | 400 | 1000 | 300 | 450 | 450 | 1000 | 1000 |
| Current - Output / Channel (mA) | 50 | 45 | 70 | 25 | 25 | 25 | 25 |
| Voltage - Supply Span Min (V) | 1.8 | 2.7 | 2.5 | 2.2 | 2.2 | 2.4 | 2.4 |
| Voltage - Supply Span Max (V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 6 | 6 |
| Operating Temperature (°C) | -40 to 125 | -40 to 85 | -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 |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
MCP6294-E/ST and MCP6294T-E/ST: These Microchip Technology devices provide the closest electrical performance match to the OPA4316IPWR, with identical 10 MHz gain bandwidth product and 7 V/µs slew rate. Both variants support the full -40°C to 125°C operating temperature range and ROHS3 compliance. The MCP6294T-E/ST is packaged in Cut Tape (CT) & Digi-Reel format, while MCP6294-E/ST is supplied in Tube packaging. Selection between these variants depends on procurement and assembly requirements. Extended maximum supply voltage to 6 V provides additional design margin.
MCP6284-E/ST and MCP6284T-E/ST: These Microchip Technology devices offer moderate electrical performance with 5 MHz gain bandwidth product and 2.5 V/µs slew rate. Both support the full -40°C to 125°C operating temperature range and ROHS3 compliance. The MCP6284T-E/ST is packaged in Tape & Reel (TR) format, while MCP6284-E/ST is supplied in Tube packaging. These parts are suitable for applications where lower slew rate and bandwidth are acceptable trade-offs for reduced supply current consumption.
LMV824IPT: This STMicroelectronics device supports the full -40°C to 125°C operating temperature range and includes AEC-Q100 automotive qualification. ROHS3 compliance is maintained. The part operates across a 2.5 V to 5.5 V supply range and delivers 70 mA output current per channel, exceeding the OPA4316IPWR specification. This device is appropriate for automotive-grade applications requiring equivalent thermal performance.
LMV824DTBR2G: This onsemi device operates across a 2.7 V to 5.5 V supply range with reduced operating temperature range (-40°C to 85°C). ROHS3 compliance is maintained. This part is suitable for applications where the reduced upper operating temperature limit is acceptable and lower supply voltage operation is not required.
Frequently Asked Questions (FAQ)
Q: Can the MCP6294 series directly replace the OPA4316IPWR in existing PCB designs?
A: Yes. The MCP6294-E/ST and MCP6294T-E/ST share identical 14-TSSOP package geometry, pin configuration, and functional architecture (four rail-to-rail amplifier circuits). PCB footprint compatibility is direct. Electrical performance is equivalent or superior in slew rate and gain bandwidth product.
Q: What is the primary difference between MCP6284T-E/ST and MCP6284-E/ST?
A: The packaging format differs. MCP6284T-E/ST is supplied in Tape & Reel (TR) format suitable for automated assembly processes. MCP6284-E/ST is supplied in Tube format suitable for manual handling or lower-volume assembly. Electrical specifications and 14-TSSOP package geometry are identical.
Q: Does the LMV824DTBR2G operate across the full OPA4316IPWR supply voltage range?
A: No. The LMV824DTBR2G minimum supply voltage is 2.7 V, whereas the OPA4316IPWR operates from 1.8 V minimum. Applications requiring operation below 2.7 V supply voltage cannot use this substitute. The maximum supply voltage of 5.5 V is equivalent.
Q: Is the LMV824IPT suitable for automotive applications?
A: Yes. The LMV824IPT carries AEC-Q100 automotive qualification and supports the full -40°C to 125°C operating temperature range. This device is appropriate for automotive-grade circuit designs.
Q: What is the significance of the 1 pA input bias current in MCP6284 and MCP6294 series?
A: The 1 pA input bias current represents extremely low input leakage, superior to the OPA4316IPWR specification of 5 pA. This characteristic reduces input offset drift and improves precision in high-impedance signal conditioning applications.
Q: Can I use MCP6294-E/ST in place of MCP6294T-E/ST?
A: Yes. Both devices are electrically identical with 14-TSSOP package compatibility. The difference is packaging format: MCP6294-E/ST is supplied in Tube, while MCP6294T-E/ST is supplied in Tape & Reel (TR). Selection depends on assembly process requirements and procurement logistics.
Q: What is the impact of reduced slew rate in LMV824 series compared to OPA4316IPWR?
A: The LMV824DTBR2G and LMV824IPT feature 2 V/µs and 1.9 V/µs slew rates respectively, compared to 6 V/µs for the OPA4316IPWR. Applications requiring high-speed transient response or driving capacitive loads may experience performance degradation. Low-speed signal conditioning and filtering applications are unaffected.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance equivalent to the OPA4316IPWR, ensuring regulatory compatibility for commercial and industrial applications.
Q: What is the maximum output current per channel for each substitute?
A: OPA4316IPWR: 50 mA; LMV824DTBR2G: 45 mA; LMV824IPT: 70 mA; MCP6284-E/ST and MCP6284T-E/ST: 25 mA; MCP6294-E/ST and MCP6294T-E/ST: 25 mA. Applications requiring output current exceeding 25 mA per channel should use LMV824IPT or OPA4316IPWR.
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