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TSV631AICT Equivalent & Substitute Parts
Part Overview
The TSV631AICT is a general-purpose operational amplifier manufactured by STMicroelectronics, housed in a 5-TSSOP SC-70-5 surface mount package. This single-circuit rail-to-rail amplifier operates across a supply voltage range of 1.5 V to 5.5 V and maintains active product status with full RoHS3 compliance. The device is suitable for low-power analog signal conditioning and amplification applications requiring compact form factors.
Substitute parts become necessary when the primary device experiences supply constraints, extended lead times, or when design requirements demand alternative performance characteristics within compatible package and electrical specifications.
Substiute Parts
Key Parameters
| Parameter | TSV631AICT | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 5-TSSOP, SC-70-5, SOT-353 | — |
| Voltage - Supply Span (Min) | 1.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution compatibility for the TSV631AICT is determined by the following critical parameters:
Package Compatibility: All substitute parts must use the 5-TSSOP, SC-70-5, or SOT-353 surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.
Electrical Characteristics: Substitute parts must maintain single-circuit, rail-to-rail output configuration with operating temperature range of -40°C to 125°C. Supply voltage span must encompass the minimum 1.5 V to maximum 5.5 V range, or be compatible within the application's actual operating voltage window.
Compliance Requirements: All substitute parts must maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating to ensure regulatory and manufacturing process compatibility.
Performance Parameters: While not strict substitution requirements, slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current per channel define performance trade-offs between the main part and alternatives.
Parameter Comparison
| Parameter | TSV631AICT | ADA4051-1AKSZ-R7 | ISL28113FEZ-T7A | ISL28114FEZ-T7A | LMV301MG/NOPB | LMV301MGX/NOPB | LMV931SQ3T2G | MCP6241UT-E/LT | OPA349SA/250 | OPA349SA/3K | Unit |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Renesas Electronics | Renesas Electronics | Texas Instruments | Texas Instruments | onsemi | Microchip Technology | Texas Instruments | Texas Instruments | — |
| Amplifier Type | General Purpose | Zero-Drift | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | — |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | — |
| Slew Rate | 0.34 | 0.06 | 1 | 2.5 | 0.66 | 0.66 | 0.48 | 0.3 | 0.02 | 0.02 | V/µs |
| Gain Bandwidth Product | 880 | 125 | 2000 | 5000 | 1000 | 1000 | 1500 | 550 | 70 | 70 | kHz |
| Current - Input Bias | 1 | 20 | 3 | 3 | 0.182 | 0.182 | 1 | 1 | 0.5 | 0.5 | pA |
| Voltage - Input Offset | 500 | 2 | 500 | 500 | 900 | 900 | 1000 | 5000 | 2000 | 2000 | µV |
| Current - Supply | 60 | 15 | 90 | 300 | 163 | 163 | 116 | 50 | 1 | 1 | µA |
| Current - Output / Channel | 74 | 15 | 22 | 31 | 108 | 108 | 100 | 23 | 8 | 8 | mA |
| Voltage - Supply Span (Min) | 1.5 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | V |
| Voltage - Supply Span (Max) | 5.5 | 5.5 | 5.5 | 5.5 | 5 | 5 | 5.5 | 5.5 | 5.5 | 5.5 | V |
| Operating Temperature | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | 0 to 70 | 0 to 70 | °C |
| Package / Case | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 | — |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | — |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and full RoHS3 compliance, ensuring regulatory alignment with the TSV631AICT. All devices carry MSL Level 1 (Unlimited) moisture sensitivity ratings, permitting unrestricted storage and handling without desiccant requirements.
Direct Package Compatibility: All substitute parts use identical 5-TSSOP, SC-70-5, SOT-353 surface mount packaging, enabling direct PCB layout compatibility without redesign.
Supply Voltage Considerations: The TSV631AICT operates at minimum 1.5 V supply voltage. Substitute parts LMV301MG/NOPB, LMV301MGX/NOPB, OPA349SA/250, and OPA349SA/3K specify minimum 1.8 V supply voltage. Applications requiring operation below 1.8 V must retain the TSV631AICT or select alternatives with 1.5 V minimum specification: ADA4051-1AKSZ-R7, ISL28113FEZ-T7A, ISL28114FEZ-T7A, LMV931SQ3T2G, or MCP6241UT-E/LT.
Operating Temperature Range: The TSV631AICT supports -40°C to 125°C operation. Substitute parts OPA349SA/250 and OPA349SA/3K limit operation to 0°C to 70°C. Applications requiring full -40°C to 125°C temperature range must exclude these two devices.
Performance Trade-offs: Substitute selection depends on application-specific requirements for slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current. Higher-performance alternatives such as ISL28114FEZ-T7A (5 MHz gain bandwidth product, 2.5 V/µs slew rate) increase power consumption to 300 µA. Lower-power alternatives such as OPA349SA/250 and OPA349SA/3K reduce supply current to 1 µA but limit gain bandwidth product to 70 kHz and output current to 8 mA.
Frequently Asked Questions (FAQ)
Q: Can I use OPA349SA/250 or OPA349SA/3K as a direct replacement for TSV631AICT?
A: These devices are mechanically compatible but have restricted operating temperature range (0°C to 70°C versus -40°C to 125°C) and minimum supply voltage of 1.8 V (versus 1.5 V). Use only if your application operates within these narrower specifications.
Q: What is the difference between LMV301MG/NOPB and LMV301MGX/NOPB?
A: Both devices are electrically and mechanically identical. The difference lies in packaging designation and supplier inventory. Both are suitable substitutes with identical electrical performance.
Q: Which substitute offers the lowest power consumption?
A: OPA349SA/250 and OPA349SA/3K both operate at 1 µA supply current, significantly lower than the TSV631AICT at 60 µA. However, these devices limit operating temperature to 0°C to 70°C and output current to 8 mA.
Q: Is ADA4051-1AKSZ-R7 a suitable substitute despite being a zero-drift amplifier?
A: ADA4051-1AKSZ-R7 is mechanically and electrically compatible with identical package, supply voltage range, and operating temperature. However, it is classified as a zero-drift amplifier rather than general-purpose, with significantly lower slew rate (0.06 V/µs versus 0.34 V/µs) and gain bandwidth product (125 kHz versus 880 kHz). Use only if your application benefits from superior input offset voltage (2 µV versus 500 µV) and does not require higher bandwidth performance.
Q: Can I substitute TSV631AICT with ISL28114FEZ-T7A for higher-speed applications?
A: Yes. ISL28114FEZ-T7A provides higher slew rate (2.5 V/µs versus 0.34 V/µs) and gain bandwidth product (5 MHz versus 880 kHz). Trade-offs include increased supply current (300 µA versus 60 µA) and higher output current per channel (31 mA versus 74 mA). Verify power budget and thermal management before selection.
Q: Are all substitute parts available in the same packaging options as TSV631AICT?
A: All substitute parts use 5-TSSOP, SC-70-5, SOT-353 surface mount packages. Packaging options (Cut Tape, Digi-Reel, or Tape & Reel) vary by manufacturer and supplier. Verify packaging format with your component supplier to ensure compatibility with your assembly process.
Q: What is the minimum supply voltage for applications using substitute parts?
A: TSV631AICT operates at 1.5 V minimum. Substitute parts ADA4051-1AKSZ-R7, ISL28113FEZ-T7A, ISL28114FEZ-T7A, LMV931SQ3T2G, and MCP6241UT-E/LT support 1.5 V operation. Substitute parts LMV301MG/NOPB, LMV301MGX/NOPB, OPA349SA/250, and OPA349SA/3K require minimum 1.8 V supply voltage.
Q: Do all substitute parts maintain RoHS3 compliance?
A: Yes. All listed substitute parts are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the TSV631AICT compliance profile.
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