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TSV911ID Equivalent & Substitute Parts
Part Overview
The TSV911ID is a general-purpose operational amplifier manufactured by STMicroelectronics, housed in an 8-SOIC surface-mount package. This device features rail-to-rail output capability, making it suitable for low-voltage analog signal processing applications. The TSV911ID is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain functional compatibility across key electrical parameters including supply voltage range, slew rate, gain-bandwidth product, and output current capability.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 4.5 | V/µs |
| Gain Bandwidth Product | 8 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 100 | µV |
| Current - Supply | 820 | µA |
| Current - Output / Channel | 35 | mA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TSV911ID are grouped based on functional compatibility across the following critical parameters:
Package Compatibility: All substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface-mount package, ensuring direct mechanical and electrical pin compatibility.
Amplifier Classification: Substitute parts are classified as either general-purpose amplifiers with rail-to-rail output or zero-drift amplifiers. General-purpose substitutes maintain the same functional category as the TSV911ID.
Supply Voltage Range: Substitute parts must support operation within or encompass the TSV911ID supply range of 2.5 V to 5.5 V. Parts with extended ranges (such as 1.8 V to 5.5 V or 2.2 V to 5.5 V) are compatible for applications using the standard 2.5 V to 5.5 V window.
Slew Rate and Gain-Bandwidth Product: These parameters define signal-handling capability. Substitutes with equal or superior slew rate and gain-bandwidth product values maintain or exceed the TSV911ID performance envelope.
Output Current Capability: The TSV911ID provides 35 mA per channel. Substitutes with equal or greater output current capacity are functionally compatible.
Operating Temperature Range: The TSV911ID operates from -40°C to 125°C. Substitutes covering this full range or a subset thereof are acceptable for applications within the overlapping temperature window.
Compliance and Status: All substitute parts are ROHS3 compliant, REACH unaffected, and classified as active products, ensuring long-term availability and regulatory compliance.
Parameter Comparison
| Parameter | TSV911ID | LMP2021MA/NOPB | LMP2021MAX/NOPB | LMV793MA/NOPB | MAX4322ESA+ | MAX4322ESA+T | RE46C311S8F | TLV2781ID | TLV2781IDR |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Microchip Technology | Texas Instruments | Texas Instruments |
| Amplifier Type | General Purpose | Zero-Drift | Zero-Drift | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 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 |
| Slew Rate (V/µs) | 4.5 | 2.6 | 2.6 | 35 | 2 | 2 | 0.003 | 5 | 5 |
| Gain Bandwidth Product (MHz) | 8 | 5 | 5 | 88 | 5 | 5 | 0.01 | 8 | 8 |
| Current - Input Bias (pA) | 1 | 25 | 25 | 0.1 | 50 nA | 50 nA | — | 2.5 | 2.5 |
| Voltage - Input Offset (µV) | 100 | 0.4 | 0.4 | 100 | 700 | 700 | 3000 | 250 | 250 |
| Current - Supply (µA) | 820 | 1100 | 1100 | 1150 | 725 | 725 | 0.6 | 650 | 650 |
| Current - Output / Channel (mA) | 35 | 50 | 50 | 60 | — | 50 | 27 | 23 | 23 |
| Voltage - Supply Span Min (V) | 2.5 | 2.2 | 2.2 | 1.8 | 2.4 | 2.4 | 1.8 | 1.8 | 1.8 |
| Voltage - Supply Span Max (V) | 5.5 | 5.5 | 5.5 | 5.5 | 6.5 | 6.5 | 5.5 | 3.6 | 3.6 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -10 to 60 | -40 to 125 | -40 to 125 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes for Direct Replacement:
The TLV2781ID and TLV2781IDR (Texas Instruments) are the closest functional equivalents to the TSV911ID. Both parts maintain identical slew rate (5 V/µs) and gain-bandwidth product (8 MHz) specifications, ensuring equivalent signal-handling performance. The TLV2781ID is supplied in tube packaging, while TLV2781IDR is supplied in tape and reel format. Both operate across the -40°C to 125°C temperature range and are ROHS3 compliant and active products. The primary limitation is the reduced maximum supply voltage (3.6 V versus 5.5 V), which restricts use to applications operating within the 1.8 V to 3.6 V window.
General-Purpose Alternatives with Extended Performance:
The LMV793MA/NOPB (Texas Instruments) provides superior slew rate (35 V/µs) and gain-bandwidth product (88 MHz) compared to the TSV911ID, supporting higher-frequency signal processing. This part operates across the full -40°C to 125°C temperature range and accepts supply voltages from 1.8 V to 5.5 V, encompassing the TSV911ID operating envelope. Output current capability (60 mA) exceeds the TSV911ID specification (35 mA). This part is active and ROHS3 compliant.
Conservative Supply Voltage Applications:
The MAX4322ESA+ and MAX4322ESA+T (Analog Devices Inc./Maxim Integrated) are general-purpose rail-to-rail amplifiers with extended supply voltage range (2.4 V to 6.5 V). These parts support the TSV911ID supply window and provide 50 mA output current. Operating temperature range is limited to -40°C to 85°C, restricting use in applications requiring full -40°C to 125°C coverage. Both parts are active and ROHS3 compliant. MAX4322ESA+ is supplied in tube packaging; MAX4322ESA+T is supplied in tape and reel format.
Zero-Drift Precision Applications:
The LMP2021MA/NOPB and LMP2021MAX/NOPB (Texas Instruments) are zero-drift amplifiers offering significantly reduced input offset voltage (0.4 µV versus 100 µV). These parts accept supply voltages from 2.2 V to 5.5 V, encompassing the TSV911ID operating range. Operating temperature range is -40°C to 125°C. Output current capability (50 mA) exceeds the TSV911ID specification. Both parts are active and ROHS3 compliant. LMP2021MA/NOPB is supplied in tube packaging; LMP2021MAX/NOPB is supplied in tape and reel format. These parts are suitable for applications requiring precision analog signal conditioning where input offset voltage is a critical parameter.
Ultra-Low-Power Applications:
The RE46C311S8F (Microchip Technology) is a general-purpose rail-to-rail amplifier with extremely low supply current (600 nA). This part is suitable for battery-powered or energy-harvesting applications where power consumption is the primary design constraint. Supply voltage range (1.8 V to 5.5 V) encompasses the TSV911ID window. Operating temperature range (-10°C to 60°C) is significantly restricted compared to the TSV911ID. Slew rate (0.003 V/µs) and gain-bandwidth product (10 kHz) are substantially lower, limiting use to low-frequency signal processing. This part is active and ROHS3 compliant.
Frequently Asked Questions (FAQ)
Q: Can the TLV2781ID directly replace the TSV911ID in all applications?
A: The TLV2781ID is mechanically and electrically compatible with the TSV911ID in applications operating within the 1.8 V to 3.6 V supply voltage range. Applications requiring operation at the TSV911ID maximum supply voltage (5.5 V) cannot use the TLV2781ID without circuit redesign. Both parts share identical slew rate (5 V/µs) and gain-bandwidth product (8 MHz), ensuring equivalent signal-handling performance within the overlapping supply range.
Q: What is the difference between tube and tape & reel packaging options?
A: Tube packaging (e.g., LMP2021MA/NOPB, TLV2781ID) is used for lower-volume orders and manual assembly processes. Tape and reel packaging (e.g., LMP2021MAX/NOPB, TLV2781IDR, MAX4322ESA+T) is used for high-volume automated assembly. The electrical specifications and performance characteristics are identical between tube and tape & reel variants of the same base part number. Selection depends on production volume and assembly equipment capability.
Q: Why do some substitute parts have different output current specifications?
A: Output current capability is determined by the internal circuit design and power dissipation characteristics of each amplifier. The TSV911ID provides 35 mA per channel. Substitute parts with higher output current (e.g., LMV793MA/NOPB at 60 mA) can drive lower-impedance loads. Substitute parts with lower output current (e.g., TLV2781ID at 23 mA) are suitable for high-impedance loads or applications where output current is not a limiting factor. Verify that the selected substitute meets the specific load impedance requirements of your application.
Q: Are all substitute parts ROHS3 compliant?
A: Yes, all substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components in the European Union and other regulated markets.
Q: What is the significance of input offset voltage differences between substitute parts?
A: Input offset voltage determines the DC accuracy of the amplifier. The TSV911ID has an input offset voltage of 100 µV. Zero-drift substitutes (LMP2021MA/NOPB, LMP2021MAX/NOPB) provide 0.4 µV offset voltage, suitable for precision instrumentation and sensor signal conditioning. General-purpose substitutes with higher offset voltage (e.g., MAX4322ESA+ at 700 µV) are suitable for applications where DC accuracy is not critical. Select based on the required DC accuracy of your signal processing chain.
Q: Can the LMV793MA/NOPB be used in applications requiring the full -40°C to 125°C operating temperature range?
A: Yes, the LMV793MA/NOPB operates across the full -40°C to 125°C temperature range, matching the TSV911ID specification. This part is suitable for industrial and automotive applications requiring extended temperature coverage.
Q: What is the operating temperature limitation of the MAX4322ESA+ and MAX4322ESA+T?
A: Both MAX4322 variants operate from -40°C to 85°C, which is 40°C narrower than the TSV911ID upper temperature limit (125°C). These parts are not suitable for applications requiring operation above 85°C. Verify that your application's maximum operating temperature does not exceed 85°C before selecting these substitutes.
Q: Is the RE46C311S8F suitable for high-frequency signal processing?
A: No, the RE46C311S8F has a gain-bandwidth product of only 10 kHz, making it unsuitable for high-frequency applications. The TSV911ID provides 8 MHz gain-bandwidth product. The RE46C311S8F is designed exclusively for low-frequency, ultra-low-power applications such as battery-powered sensor interfaces or energy-harvesting systems.
Q: What are the key differences between general-purpose and zero-drift amplifier substitutes?
A: General-purpose amplifiers (TSV911ID, LMV793MA/NOPB, MAX4322ESA+, TLV2781ID) are optimized for standard signal conditioning with moderate input offset voltage. Zero-drift amplifiers (LMP2021MA/NOPB, LMP2021MAX/NOPB) use internal chopper-stabilization techniques to achieve extremely low input offset voltage (0.4 µV) and are optimized for precision measurement applications. Zero-drift amplifiers typically have lower slew rate and gain-bandwidth product compared to general-purpose alternatives.
Q: Can substitute parts with extended supply voltage ranges (e.g., MAX4322ESA+ at 2.4 V to 6.5 V) be used in applications designed for the TSV911ID (2.5 V to 5.5 V)?
A: Yes, substitute parts with extended supply voltage ranges are fully compatible with applications designed for the TSV911ID supply range. The extended range provides additional design flexibility for future applications but does not affect compatibility with existing designs. Verify that the substitute part's minimum supply voltage does not exceed your application's minimum operating voltage.
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