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TS982IDW Equivalent & Substitute Parts
Part Overview
The TS982IDW is a general purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) rail-to-rail amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, indicating that direct procurement from the original manufacturer is no longer available. The TS982IDW was designed for automotive applications and carries AEC-Q100 qualification, meeting automotive-grade reliability standards.
Due to its obsolete status, equivalent and substitute parts are necessary for ongoing production support, design updates, and component sourcing. Substitute parts must maintain functional compatibility through matching package type, circuit count, output configuration, and electrical operating ranges while accommodating the specific application requirements.
Substiute Parts
Key Parameters
| Parameter | TS982IDW Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 0.7 | V/µs |
| Gain Bandwidth Product | 2.2 | MHz |
| Current - Input Bias | 200 | nA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x2 Channels) | 5.5 | mA |
| Current - Output / Channel | 200 | mA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution compatibility for the TS982IDW is determined by the following critical parameters:
Package and Mechanical Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB layout compatibility without redesign.
Functional Configuration: Substitute parts must provide exactly 2 circuits (dual-channel configuration) with rail-to-rail output capability to maintain signal swing characteristics across the supply voltage range.
Electrical Operating Range: The supply voltage span must encompass the TS982IDW range of 2.5 V to 5.5 V minimum. Substitute parts with lower minimum supply voltages or identical maximum supply voltages are acceptable.
Amplifier Classification: General purpose amplifiers are substitutable with other general purpose amplifiers. Audio-specific amplifiers (such as the LME49721 series) may be used as substitutes when their electrical parameters fall within acceptable application tolerances, though they represent a functional upgrade rather than a direct equivalent.
Temperature Rating: The TS982IDW operates from -40°C to 125°C. Substitute parts with identical or extended temperature ranges are acceptable. Parts with reduced temperature ranges (-40°C to 85°C) are acceptable for applications not requiring the full automotive temperature specification.
Compliance and Certification: RoHS3 compliance and MSL 1 rating are maintained across all substitute options. Automotive-grade qualification (AEC-Q100) is present in the main part but not required for all substitutes, as substitute selection depends on end-application requirements.
Parameter Comparison
| Parameter | TS982IDW | LME49721MA/NOPB | LME49721MAX/NOPB | MAX4471ESA+ | MAX4471ESA+T | MCP6022-E/SN | MCP6022-I/SN | MCP6022T-E/SN | MCP6022T-I/SN | MCP6282-E/SN | MCP6282T-E/SN |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 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 | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Slew Rate (V/µs) | 0.7 | 8.5 | 8.5 | 0.002 | 0.002 | 7 | 7 | 7 | 7 | 2.5 | 2.5 |
| Gain Bandwidth Product (MHz) | 2.2 | 20 | 20 | 0.009 | 0.009 | 10 | 10 | 10 | 10 | 5 | 5 |
| Current - Input Bias (nA) | 200 | 0.00004 | 0.00004 | 0.2 | 0.2 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
| Voltage - Input Offset (mV) | 1 | 0.3 | 0.3 | 0.5 | 0.5 | 0.25 | 0.5 | 0.25 | 0.5 | 3 | 3 |
| Current - Supply (mA, x2 Channels) | 5.5 | 2.15 | 2.15 | 0.75 | 0.75 | 1 | 1 | 1 | 1 | 0.45 | 0.45 |
| Current - Output / Channel (mA) | 200 | 9.7 | 9.7 | 36 | 36 | 30 | 30 | 30 | 30 | 25 | 25 |
| Voltage - Supply Span (Min, V) | 2.5 | 2.2 | 2.2 | 1.8 | 1.8 | 2.5 | 2.5 | 2.5 | 2.5 | 2.2 | 2.2 |
| Voltage - Supply Span (Max, V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 125 |
| Product Status | Obsolete | Active | Active | 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 | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitutes for Direct Replacement:
The MCP6022 series (MCP6022-E/SN, MCP6022-I/SN, MCP6022T-E/SN, MCP6022T-I/SN) from Microchip Technology provides the closest functional equivalence to the TS982IDW. These devices maintain the same package configuration, dual-channel architecture, and rail-to-rail output. The MCP6022T-E/SN and MCP6022-E/SN variants support the full automotive temperature range (-40°C to 125°C), matching the TS982IDW specification. All MCP6022 variants demonstrate ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing and storage requirements.
Secondary Substitutes with Extended Performance:
The MCP6282 series (MCP6282-E/SN, MCP6282T-E/SN) offers enhanced performance characteristics including lower supply current and extended temperature range support. These devices are suitable for applications where the TS982IDW's performance envelope is acceptable but where reduced power consumption is beneficial. Both variants support -40°C to 125°C operation, maintaining automotive-grade temperature specifications.
Substitutes with Reduced Temperature Range:
The MCP6022-I/SN and MCP6022T-I/SN variants operate from -40°C to 85°C, representing a reduced temperature specification compared to the TS982IDW. These parts are suitable for applications where the full automotive temperature range is not required. The MCP6282 series does not include an industrial temperature variant in this substitute list.
Substitutes with Different Amplifier Classification:
The LME49721MA/NOPB and LME49721MAX/NOPB from Texas Instruments are audio-specific amplifiers that exceed the TS982IDW performance in slew rate (8.5 V/µs versus 0.7 V/µs) and gain bandwidth product (20 MHz versus 2.2 MHz). These devices operate from -40°C to 85°C, representing a reduced temperature range. Audio amplifiers are functionally compatible with general purpose applications when the application does not require the full automotive temperature specification.
Substitutes with Ultra-Low Supply Current:
The MAX4471ESA+ and MAX4471ESA+T from Analog Devices Inc./Maxim Integrated provide extremely low supply current (750 nA per dual channel) and support extended minimum supply voltage (1.8 V). However, these devices exhibit significantly reduced gain bandwidth product (9 kHz) and slew rate (0.002 V/µs), making them suitable only for low-frequency, low-speed applications. Operating temperature is limited to -40°C to 85°C.
Compliance and Certification Considerations:
All substitute parts maintain ROHS3 compliance and MSL 1 rating. The TS982IDW carries automotive-grade qualification (AEC-Q100). Substitute parts without explicit automotive qualification may be used in non-automotive applications or in automotive applications where the design does not mandate AEC-Q100 certification. For automotive applications requiring AEC-Q100 qualification, the MCP6022 and MCP6282 series from Microchip Technology are recommended as they support the full automotive temperature range and are suitable for automotive-grade designs.
Frequently Asked Questions (FAQ)
Q: Can the MCP6022 series directly replace the TS982IDW without PCB modifications?
A: Yes. The MCP6022 series uses the identical 8-SOIC (0.154", 3.90mm Width) package as the TS982IDW. Pin-to-pin compatibility is maintained, allowing direct substitution without PCB layout changes. Electrical parameter differences must be evaluated for the specific application circuit.
Q: What is the primary difference between MCP6022-E/SN and MCP6022-I/SN?
A: The primary difference is operating temperature range. MCP6022-E/SN operates from -40°C to 125°C (extended temperature), while MCP6022-I/SN operates from -40°C to 85°C (industrial temperature). Both variants share identical electrical performance specifications. Selection depends on application temperature requirements.
Q: Why do the LME49721 series show lower input bias current than the TS982IDW?
A: The LME49721 series uses different input stage architecture optimized for audio applications, resulting in extremely low input bias current (0.04 pA) compared to the TS982IDW (200 nA). This represents a performance enhancement rather than a limitation. The LME49721 series operates at -40°C to 85°C, not the full automotive range.
Q: Are the MAX4471 variants suitable for general purpose amplifier applications?
A: The MAX4471 variants are general purpose amplifiers with extremely low supply current consumption. However, their gain bandwidth product (9 kHz) and slew rate (0.002 V/µs) are significantly reduced compared to the TS982IDW. These devices are suitable only for low-frequency, low-speed signal conditioning applications. High-frequency or fast-transient applications require higher bandwidth alternatives.
Q: What packaging options are available for the MCP6022 series?
A: The MCP6022 series is available in two packaging formats: Tube (MCP6022-E/SN, MCP6022-I/SN) and Cut Tape with Digi-Reel (MCP6022T-E/SN, MCP6022T-I/SN). Both formats use the identical 8-SOIC package. Packaging selection depends on procurement and assembly requirements.
Q: Does the TS982IDW require AEC-Q100 qualification for all applications?
A: The TS982IDW carries AEC-Q100 automotive qualification. However, this qualification is application-dependent. Non-automotive applications do not require AEC-Q100 certification. For automotive applications, substitute parts should be evaluated against specific design requirements. The MCP6022 and MCP6282 series support full automotive temperature ranges suitable for automotive-grade designs.
Q: What is the significance of the -3dB Bandwidth specification listed for the LME49721 series?
A: The -3dB Bandwidth (2.2 MHz) for the LME49721 series represents the frequency at which the amplifier gain drops 3 decibels from its DC value. This specification is provided for audio amplifier characterization. The gain bandwidth product (20 MHz) represents the full bandwidth-gain relationship across the frequency spectrum.
Q: Can the MCP6282 series be used as a direct replacement for the TS982IDW?
A: The MCP6282 series is functionally compatible with the TS982IDW, using the identical 8-SOIC package and dual-channel rail-to-rail configuration. The MCP6282 exhibits lower supply current (450 µA per dual channel versus 5.5 mA) and reduced gain bandwidth product (5 MHz versus 2.2 MHz). Selection depends on whether the application requires the TS982IDW's higher bandwidth or benefits from reduced power consumption.
Q: What is the difference between Cut Tape and Tube packaging formats?
A: Tube packaging is used for lower-volume procurement and manual assembly operations. Cut Tape with Digi-Reel packaging is used for high-volume automated assembly. Both formats contain identical components in the same 8-SOIC package. Selection depends on production volume and assembly equipment compatibility.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the TS982IDW specifications. This ensures compatibility with modern manufacturing processes and environmental regulations.
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