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TSV6391ILT Equivalent & Substitute Parts
Part Overview
The TSV6391ILT is a general-purpose operational amplifier manufactured by STMicroelectronics, housed in a SOT-23-5 surface mount package. This single-circuit, rail-to-rail amplifier operates across a 1.5 V to 5.5 V supply range with a gain bandwidth product of 2.4 MHz and a slew rate of 1.1 V/µs. The device is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Equivalent and substitute parts are identified based on matching functional parameters: general-purpose amplifier topology, single-circuit configuration, rail-to-rail output capability, compatible supply voltage ranges, and surface mount packaging. Substitutes are selected when electrical performance characteristics and package compatibility align with the TSV6391ILT specifications, enabling direct replacement in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1.1 | V/µs |
| Gain Bandwidth Product | 2.4 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 3 | mV |
| Current - Supply | 60 | µA |
| Current - Output / Channel | 72 | mA |
| Voltage - Supply Span (Min) | 1.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | SC-74A, SOT-753 | — |
| Supplier Device Package | SOT-23-5 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitute parts for the TSV6391ILT are identified through alignment of the following critical parameters:
Primary Matching Criteria:
- Amplifier Type: General Purpose
- Number of Circuits: 1
- Output Type: Rail-to-Rail
- Mounting Type: Surface Mount
- Package Compatibility: SOT-23-5 or equivalent 5-pin surface mount packages (SOT-753, 5-SSOP)
Secondary Electrical Criteria:
- Slew Rate: 0.42 V/µs to 1.1 V/µs
- Gain Bandwidth Product: 300 kHz to 2.4 MHz
- Current - Input Bias: 1 pA to 15 nA
- Voltage - Input Offset: 1 mV to 5 mV
- Current - Supply: 20 µA to 250 µA
- Current - Output / Channel: 12 mA to 100 mA
- Voltage - Supply Span (Min): 1.5 V to 2.7 V
- Voltage - Supply Span (Max): 5.5 V to 6 V
- Operating Temperature: -40°C minimum to 85°C or higher maximum
Compliance Requirements:
- RoHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Unaffected status
Substitutes are grouped by manufacturer and package type. Parts with identical or superior electrical performance characteristics within the specified ranges are considered functionally equivalent for direct replacement applications.
Parameter Comparison
| Part Number | Manufacturer | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TSV6391ILT | STMicroelectronics | 1.1 | 2.4 | 1 | 3 | 60 | 72 | 1.5 | 5.5 | -40 to 125 | SOT-23-5 | Active |
| BU7261G-TR | Rohm Semiconductor | 1.1 | 2 | 1 | 1 | 250 | 12 | 1.8 | 5.5 | -40 to 85 | 5-SSOP | Active |
| BU7261SG-TR | Rohm Semiconductor | 1.1 | 2 | 1 | 1 | 250 | 12 | 1.8 | 5.5 | -40 to 105 | 5-SSOP | Active |
| LMV321Q1M5/NOPB | Texas Instruments | 1 | 1 | 15 | 1.7 | 130 | — | 2.7 | 5.5 | -40 to 125 | SOT-23-5 | Active |
| LMV931MF/NOPB | Texas Instruments | 0.42 | 1.5 | 14 | 1 | 116 | 100 | 1.8 | 5.5 | -40 to 125 | SOT-23-5 | Active |
| LMV931MFX | Texas Instruments | 0.42 | 1.5 | 14 | 1 | 116 | 100 | 1.8 | 5.5 | -40 to 125 | SOT-23-5 | Last Time Buy |
| LMV931MFX/NOPB | Texas Instruments | 0.42 | 1.5 | 14 | 1 | 116 | 100 | 1.8 | 5.5 | -40 to 125 | SOT-23-5 | Active |
| MCP6001UT-E/OT | Microchip Technology | 0.6 | 1 | 1 | 4.5 | 100 | 23 | 1.8 | 6 | -40 to 125 | SOT-23-5 | Active |
| MCP6001UT-I/OT | Microchip Technology | 0.6 | 1 | 1 | 4.5 | 100 | 23 | 1.8 | 6 | -40 to 85 | SOT-23-5 | Active |
| MCP6231UT-E/OT | Microchip Technology | 0.15 | 0.3 | 1 | 5 | 20 | 23 | 1.8 | 6 | -40 to 125 | SOT-23-5 | Active |
| MCP6241UT-E/OT | Microchip Technology | 0.3 | 0.55 | 1 | 5 | 50 | 23 | 1.8 | 5.5 | -40 to 125 | SOT-23-5 | Active |
Engineering Selection Recommendations
Direct Replacement Candidates (Active Status, Full Temperature Range):
The LMV931MFX/NOPB (Texas Instruments) and MCP6001UT-E/OT (Microchip Technology) are primary substitutes for the TSV6391ILT. Both devices maintain Active product status, operate across the full -40°C to 125°C temperature range, and provide SOT-23-5 packaging. The LMV931MFX/NOPB offers superior output current capability (100 mA versus 72 mA), while the MCP6001UT-E/OT provides extended supply voltage range to 6 V and lower input offset voltage (4.5 mV versus 3 mV).
Alternative Substitutes (Active Status, Restricted Temperature Range):
The MCP6001UT-I/OT (Microchip Technology) operates to 85°C maximum and is suitable for applications not requiring the full 125°C upper temperature limit. The BU7261G-TR and BU7261SG-TR (Rohm Semiconductor) provide 5-SSOP packaging alternatives with identical slew rate (1.1 V/µs) and lower input offset voltage (1 mV). The BU7261SG-TR extends the operating temperature to 105°C.
Specialized Performance Alternatives:
The LMV321Q1M5/NOPB (Texas Instruments) is qualified to AEC-Q100 automotive standards and maintains full temperature range operation. The MCP6231UT-E/OT and MCP6241UT-E/OT (Microchip Technology) provide lower power consumption (20 µA and 50 µA respectively) for battery-powered applications, with trade-offs in slew rate and gain bandwidth product.
Avoid:
The LMV931MFX (Texas Instruments) carries Last Time Buy status and should not be selected for new designs requiring long-term component availability.
Frequently Asked Questions (FAQ)
Q: Can the BU7261G-TR replace the TSV6391ILT in all applications?
A: The BU7261G-TR is electrically compatible but operates only to 85°C maximum temperature, compared to the TSV6391ILT's 125°C upper limit. Applications requiring full industrial temperature range operation must use alternatives such as LMV931MFX/NOPB or MCP6001UT-E/OT. The BU7261SG-TR variant extends operation to 105°C.
Q: What is the difference between MCP6001UT-E/OT and MCP6001UT-I/OT?
A: Both parts are electrically identical with identical electrical specifications. The primary difference is operating temperature range: MCP6001UT-E/OT operates -40°C to 125°C, while MCP6001UT-I/OT operates -40°C to 85°C. Select the E/OT variant for applications requiring full industrial temperature range.
Q: Are the Rohm Semiconductor BU7261 variants pin-compatible with the TSV6391ILT?
A: Both the BU7261G-TR and BU7261SG-TR use 5-SSOP packaging, which is functionally equivalent to the TSV6391ILT's SOT-23-5 package. Both packages contain five pins in surface mount configuration with identical pin assignments for single-channel operational amplifier applications. Physical footprint dimensions differ slightly; verify PCB layout compatibility before substitution.
Q: Why does the MCP6231UT-E/OT have lower slew rate and gain bandwidth product?
A: The MCP6231UT-E/OT is optimized for ultra-low power consumption (20 µA supply current) at the expense of dynamic performance. This device is suitable for battery-powered or energy-harvesting applications where bandwidth requirements are modest. Applications requiring the TSV6391ILT's 2.4 MHz gain bandwidth product must use higher-performance alternatives.
Q: Is the LMV931MFX suitable for new product designs?
A: The LMV931MFX carries Last Time Buy status, indicating discontinued production. The LMV931MFX/NOPB variant maintains Active status and is the recommended Texas Instruments substitute. For new designs, select LMV931MFX/NOPB or alternative manufacturers' parts with Active product status.
Q: What supply voltage range should I verify when substituting parts?
A: The TSV6391ILT operates from 1.5 V to 5.5 V. Most substitutes operate from 1.8 V to 5.5 V or 6 V. Verify that your circuit's supply voltage falls within the substitute part's specified range. The MCP6001UT-E/OT and MCP6231UT-E/OT extend to 6 V maximum, providing additional margin for higher supply voltage applications.
Q: Are all listed substitutes ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, matching the TSV6391ILT's environmental and regulatory status. All parts are REACH Unaffected and classified under ECCN EAR99.
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