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TSV358IST Equivalent & Substitute Parts
Part Overview
The TSV358IST is a general-purpose operational amplifier manufactured by STMicroelectronics, featuring dual-channel rail-to-rail output configuration in an 8-MiniSO surface-mount package. This device is classified as an active product with automotive-grade qualification (AEC-Q100) and operates across a supply voltage range of 2.5 V to 6 V. The TSV358IST is designed for applications requiring low-power, general-purpose amplification with moderate bandwidth characteristics. Substitute parts are identified to address specific application requirements, including enhanced performance parameters, alternative packaging formats, or improved electrical characteristics while maintaining functional compatibility within the 8-MSOP/8-MiniSO package family.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | TSV358IST | — |
| Manufacturer | STMicroelectronics | — |
| Category | Linear, Amplifiers | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | — |
| Mounting Type | Surface Mount | — |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 6 | V |
| Operating Temperature | -40 to 125 | °C |
| Slew Rate | 0.6 | V/µs |
| Gain Bandwidth Product | 1.4 | MHz |
| Current - Input Bias | 70 | nA |
| Voltage - Input Offset | 200 | µV |
| Current - Supply | 500 | µA |
| Current - Output / Channel | 80 | mA |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitute parts for the TSV358IST are selected based on functional equivalence within the following critical parameters: dual-channel configuration, rail-to-rail output topology, 8-MSOP/8-MiniSO surface-mount package, and compatible supply voltage range (minimum 2.5 V to 6 V maximum). All substitute parts maintain the same package footprint and pinout compatibility, enabling direct board-level replacement without layout modifications.
Substitution logic is organized into two functional categories:
Category 1: General Purpose Amplifiers (Direct Functional Equivalents) Parts maintaining general-purpose amplifier classification with rail-to-rail output and dual-channel configuration. These include AD8532ARMZ-REEL, AD8542ARMZ, AD8542ARMZ-REEL, AD8646ARMZ, AD8646ARMZ-REEL, and AD8646WARMZ-R7. These devices provide equivalent or enhanced performance across slew rate, gain bandwidth product, and output current specifications while maintaining automotive temperature range operation (-40°C to 125°C).
Category 2: CMOS Amplifiers (Enhanced Performance Alternatives) Parts utilizing CMOS technology (AD8602ARMZ, AD8602DRMZ-REEL, AD8606ARMZ-R7, AD8606ARMZ-REEL) offering superior input bias current characteristics and higher gain bandwidth products. These devices are suitable for applications requiring lower input bias current or higher frequency response while maintaining the same package and supply voltage compatibility.
All substitute parts are active products with ROHS3 compliance, MSL Level 1 rating, and surface-mount configuration identical to the main part.
Parameter Comparison
| Parameter | TSV358IST | AD8532ARMZ-REEL | AD8542ARMZ-REEL | AD8602ARMZ | AD8606ARMZ-R7 | AD8646ARMZ-REEL |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Amplifier Type | General Purpose | General Purpose | General Purpose | CMOS | CMOS | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Voltage - Supply Span (Min) | 2.5 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V | 2.7 V |
| Voltage - Supply Span (Max) | 6 V | 6 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Operating Temperature | -40 to 125°C | -40 to 85°C | -40 to 125°C | -40 to 125°C | -40 to 125°C | -40 to 125°C |
| Slew Rate | 0.6 V/µs | 5 V/µs | 0.92 V/µs | 6 V/µs | 5 V/µs | 11 V/µs |
| Gain Bandwidth Product | 1.4 MHz | 3 MHz | 1 MHz | 8.4 MHz | 10 MHz | 24 MHz |
| Current - Input Bias | 70 nA | 5 pA | 4 pA | 0.2 pA | 1 pA | 0.3 pA |
| Voltage - Input Offset | 200 µV | 25 mV | 1 mV | 80 µV | 80 µV | 600 µV |
| Current - Supply | 500 µA | 750 µA (x2) | 45 µA (x2) | 750 µA (x2) | 1 mA (x2) | 1.5 mA (x2) |
| Current - Output / Channel | 80 mA | 250 mA | 30 mA | 50 mA | 80 mA | 120 mA |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Selection of substitute parts for the TSV358IST is determined by application-specific requirements and compliance constraints. All identified substitute parts maintain active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance.
For applications requiring extended temperature operation (-40°C to 125°C): AD8542ARMZ-REEL, AD8602ARMZ, AD8606ARMZ-R7, AD8646ARMZ-REEL, and AD8646WARMZ-R7 are suitable. The TSV358IST and AD8532ARMZ-REEL differ in maximum operating temperature, with AD8532ARMZ-REEL limited to 85°C.
For applications with automotive-grade requirements: The TSV358IST carries AEC-Q100 qualification. Substitute parts from Analog Devices do not specify automotive qualification in the provided data; however, all maintain active status and ROHS3 compliance.
For applications requiring minimum supply voltage operation at 2.5 V: The TSV358IST supports 2.5 V minimum supply. All Analog Devices substitutes specify 2.7 V minimum, representing a 0.2 V offset that may affect ultra-low-voltage applications.
For applications requiring maximum supply voltage operation at 6 V: The TSV358IST and AD8532ARMZ-REEL support 6 V maximum. All other substitutes are limited to 5.5 V maximum supply voltage.
For packaging format requirements: All substitute parts are available in 8-MSOP surface-mount configuration with identical footprint. Packaging variants (Cut Tape & Digi-Reel, Tube, Tape & Reel) are specified for each part number and must be verified against procurement requirements.
Frequently Asked Questions (FAQ)
Q: Can AD8542ARMZ-REEL directly replace TSV358IST in all applications?
A: AD8542ARMZ-REEL maintains identical package footprint, dual-channel configuration, and rail-to-rail output topology. However, differences exist in supply voltage range (2.7 V minimum vs. 2.5 V minimum for TSV358IST) and maximum supply voltage (5.5 V vs. 6 V). Applications operating at 2.5 V or 6 V supply voltage require verification of AD8542ARMZ-REEL compatibility. Both devices support -40°C to 125°C operating temperature range.
Q: What is the primary difference between general-purpose and CMOS amplifier substitutes?
A: CMOS amplifier substitutes (AD8602ARMZ, AD8606ARMZ-R7) feature significantly lower input bias current (0.2 pA to 1 pA) compared to general-purpose alternatives (4 pA to 70 nA). CMOS devices are suitable for high-impedance input applications. General-purpose substitutes (AD8542ARMZ-REEL, AD8646ARMZ-REEL) provide higher output current capability and are suitable for driving lower-impedance loads.
Q: Are all substitute parts available in Cut Tape & Digi-Reel packaging?
A: Not all substitutes are available in identical packaging formats. AD8532ARMZ-REEL, AD8542ARMZ-REEL, AD8602DRMZ-REEL, AD8606ARMZ-R7, AD8646ARMZ-REEL, and AD8646WARMZ-R7 are specified with Cut Tape & Digi-Reel packaging. AD8542ARMZ, AD8602ARMZ, and AD8646ARMZ are supplied in Tube packaging. AD8606ARMZ-REEL is supplied in Tape & Reel format. Packaging selection must align with assembly and procurement requirements.
Q: Which substitute offers the lowest input bias current?
A: AD8602ARMZ and AD8602DRMZ-REEL offer the lowest input bias current at 0.2 pA, compared to 70 nA for the TSV358IST. These CMOS devices are suitable for applications requiring minimal input current draw.
Q: What is the maximum output current capability across all substitutes?
A: AD8532ARMZ-REEL provides the highest output current per channel at 250 mA, compared to 80 mA for the TSV358IST. AD8646ARMZ-REEL and AD8646WARMZ-R7 provide 120 mA per channel. Applications requiring high output current should select accordingly.
Q: Are there supply voltage compatibility constraints for 2.5 V operation?
A: The TSV358IST supports 2.5 V minimum supply voltage. All Analog Devices substitutes specify 2.7 V minimum supply voltage. Applications operating at 2.5 V supply voltage cannot use Analog Devices substitutes without verification of device behavior at the lower voltage threshold.
Q: Which substitute provides the highest gain bandwidth product?
A: AD8646ARMZ-REEL and AD8646WARMZ-R7 provide the highest gain bandwidth product at 24 MHz, compared to 1.4 MHz for the TSV358IST. These devices are suitable for higher-frequency applications requiring extended bandwidth.
Q: Do all substitute parts maintain MSL Level 1 moisture sensitivity rating?
A: All identified substitute parts maintain MSL Level 1 (Unlimited) moisture sensitivity rating, identical to the TSV358IST. No special moisture control measures are required during storage or handling.
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