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TS512IDT Equivalent & Substitute Parts
Part Overview
The TS512IDT is a general-purpose operational amplifier manufactured by STMicroelectronics in an 8-SOIC surface-mount package. This dual-channel amplifier is designed for linear signal processing applications requiring moderate bandwidth and low power consumption. The device is actively produced and carries automotive-grade qualification under AEC-Q100 standards, making it suitable for automotive and industrial applications operating across an extended temperature range of -40°C to 125°C.
Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining mechanical compatibility and compliance certifications. Alternative sources may be required due to supply availability, lead time considerations, or specific packaging preferences.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Slew Rate | 1.5 | V/µs |
| Gain Bandwidth Product | 3 | MHz |
| Current - Input Bias | 50 | nA |
| Voltage - Input Offset | 500 | µV |
| Current - Supply (x2 Channels) | 500 | µA |
| Current - Output / Channel | 23 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
Substitute Part Grouping Explanation
Substitution eligibility for the TS512IDT is determined by the following critical parameters:
Mechanical Compatibility: All substitute parts must use the 8-SOIC surface-mount package with 0.154" (3.90mm) width to ensure direct PCB footprint compatibility.
Electrical Performance: Substitute parts must operate within the supply voltage range of 3V to 30V and maintain dual-channel (2 circuit) configuration. The slew rate, gain bandwidth product, input bias current, and input offset voltage define the signal processing capability and noise characteristics.
Thermal and Environmental: Operating temperature range and compliance certifications (RoHS3, REACH) must be maintained for equivalent application suitability.
Amplifier Classification: General-purpose amplifiers are substitutable with other general-purpose designs. J-FET amplifiers (such as ADTL082 variants) represent a different amplifier topology with superior input bias current performance but different electrical characteristics and are listed as alternatives for applications requiring ultra-low input bias current.
Substitute parts are grouped into two categories:
-
Direct General-Purpose Substitutes: AS358AMTR-E1, AS358AMTR-G1 (Diodes Incorporated) — identical amplifier type with compatible electrical parameters and 8-SOIC packaging.
-
Alternative Topology Substitutes: ADTL082ARZ, ADTL082ARZ-REEL, ADTL082ARZ-REEL7 (Analog Devices Inc.) — J-FET input amplifiers with superior input bias current performance and higher slew rate, suitable for applications requiring lower input current.
-
Package Variant Alternatives: BA4558F-E2, BA4558RF-E2, BA4560F-E2, BA4560RF-E2, BA4580RFJ-GE2 (Rohm Semiconductor) — general-purpose amplifiers with 8-SOP or 8-SOP-J packaging (0.173" or 0.154" width variants), offering different performance characteristics and temperature ratings.
Parameter Comparison
| Parameter | TS512IDT | ADTL082ARZ | ADTL082ARZ-REEL | ADTL082ARZ-REEL7 | AS358AMTR-E1 | AS358AMTR-G1 | BA4558F-E2 | BA4558RF-E2 | BA4560F-E2 | BA4560RF-E2 | BA4580RFJ-GE2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Diodes Incorporated | Diodes Incorporated | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor |
| Amplifier Type | General Purpose | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Package / Case | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.154", 3.90mm) |
| Slew Rate (V/µs) | 1.5 | 20 | 20 | 20 | — | — | 1.2 | 1 | 4 | 4 | 4 |
| Gain Bandwidth Product (MHz) | 3 | 5 | 5 | 5 | — | — | 2 | 2 | 10 | 4 | 5 |
| Current - Input Bias (nA) | 50 | 2 | 2 | 2 | 20 | 20 | 60 | 60 | 50 | 50 | 100 |
| Voltage - Input Offset (µV) | 500 | 1500 | 1500 | 1500 | 2000 | 2000 | 500 | 500 | 500 | 500 | 500 |
| Current - Supply (µA, x2 Channels) | 500 | 1200 | 1200 | 1200 | 700 | 700 | — | 3000 | — | 3000 | 6000 |
| Current - Output / Channel (mA) | 23 | 27 | 27 | 27 | 40 | 40 | 10 | 10 | 25 | 25 | — |
| Voltage - Supply Span (Min, V) | 3 | 8 | 8 | 8 | 3 | 3 | 8 | 8 | 8 | 8 | 4 |
| Voltage - Supply Span (Max, V) | 30 | 36 | 36 | 36 | 36 | 36 | 30 | 30 | 30 | 30 | 32 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 105 | -40 to 85 | -40 to 105 | -40 to 105 |
| Mounting Type | Surface Mount | 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 | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Direct Substitutes (Identical Package and Footprint):
The AS358AMTR-E1 and AS358AMTR-G1 (Diodes Incorporated) are direct mechanical and electrical substitutes for the TS512IDT. Both devices use the 8-SOIC (0.154", 3.90mm) package, support dual-channel general-purpose amplification, and maintain RoHS3 compliance. The AS358AMTR-E1 operates across -40°C to 85°C, while the AS358AMTR-G1 extends to -40°C to 85°C with MSL-3 moisture sensitivity. Both are actively produced with high inventory availability.
The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 (Analog Devices Inc.) provide identical 8-SOIC packaging and extended operating temperature (-40°C to 125°C) matching the TS512IDT. These J-FET input amplifiers deliver superior input bias current performance (2 pA versus 50 nA) and higher slew rate (20 V/µs versus 1.5 V/µs), making them suitable for applications requiring ultra-low input current or faster signal transitions. All three variants are actively produced and RoHS3 compliant. The ADTL082ARZ-REEL7 offers the highest inventory availability at 22,215 pieces.
Package Variant Alternatives:
The BA4558F-E2, BA4558RF-E2, BA4560F-E2, BA4560RF-E2, and BA4580RFJ-GE2 (Rohm Semiconductor) use 8-SOP or 8-SOP-J packaging with 0.173" (4.40mm) or 0.154" (3.90mm) width. These devices are not direct footprint replacements due to package width differences but offer general-purpose amplification with varying performance characteristics. The BA4560RF-E2 provides the highest inventory (330,900 pieces) and extends operating temperature to -40°C to 105°C. All Rohm devices are RoHS3 compliant and actively produced.
Compliance and Certification:
All listed substitute parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory equivalence. The TS512IDT carries automotive-grade qualification (AEC-Q100) and extended temperature rating (-40°C to 125°C). The ADTL082 variants match this temperature specification exactly. Diodes Incorporated AS358 variants operate to 85°C maximum, limiting their use in extended-temperature automotive applications. Rohm BA4560RF-E2 and BA4580RFJ-GE2 extend to 105°C, providing intermediate thermal performance.
Selection Criteria:
For direct footprint replacement with identical thermal performance, select ADTL082ARZ-REEL7. For cost-optimized general-purpose substitution with standard temperature range, select AS358AMTR-E1 or AS358AMTR-G1. For applications requiring package variants or specific performance characteristics (higher slew rate, lower input bias current), evaluate Rohm BA4560RF-E2 or BA4580RFJ-GE2 with PCB layout verification for package width compatibility.
Frequently Asked Questions (FAQ)
Q: Can the AS358AMTR-E1 replace the TS512IDT in automotive applications?
A: The AS358AMTR-E1 is mechanically and electrically compatible with the TS512IDT and uses the identical 8-SOIC (0.154", 3.90mm) package. However, the AS358AMTR-E1 operates only to 85°C maximum, while the TS512IDT is rated to 125°C. For automotive applications requiring the full -40°C to 125°C temperature range, the ADTL082ARZ variants are recommended as they match the extended temperature specification.
Q: What is the difference between ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7?
A: All three variants are electrically identical J-FET input amplifiers with the same electrical specifications. The differences are in packaging format: ADTL082ARZ is supplied in Tube packaging, while ADTL082ARZ-REEL and ADTL082ARZ-REEL7 are supplied in Cut Tape (CT) & Digi-Reel® format. The ADTL082ARZ-REEL7 offers the highest inventory availability. All three use the 8-SOIC (0.154", 3.90mm) package and are directly compatible with TS512IDT PCB footprints.
Q: Why do the Rohm BA4558 and BA4560 devices have different package widths?
A: The BA4558F-E2, BA4558RF-E2, BA4560F-E2, and BA4560RF-E2 use 8-SOP packaging with 0.173" (4.40mm) width, which differs from the TS512IDT's 8-SOIC (0.154", 3.90mm) width. The BA4580RFJ-GE2 uses 8-SOP-J packaging with 0.154" (3.90mm) width, matching the TS512IDT footprint. Package width differences require PCB layout verification before substitution to ensure pad alignment and trace routing compatibility.
Q: What is the advantage of J-FET input amplifiers like the ADTL082ARZ?
A: J-FET input amplifiers feature extremely low input bias current (2 pA for ADTL082ARZ versus 50 nA for TS512IDT) and higher slew rate (20 V/µs versus 1.5 V/µs). These characteristics make J-FET amplifiers suitable for high-impedance signal sources, precision instrumentation, and applications requiring fast signal transitions. The trade-off is higher input offset voltage (1.5 mV versus 500 µV) and higher supply current (1.2 mA versus 500 µA).
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all listed substitute parts are RoHS3 compliant and REACH unaffected, matching the TS512IDT's environmental compliance status. Moisture sensitivity levels vary: TS512IDT and most substitutes are MSL-1 (Unlimited), while AS358AMTR-G1 is MSL-3 (168 Hours). MSL-3 devices require controlled storage and handling procedures during assembly.
Q: Can I use BA4560RF-E2 as a direct replacement for TS512IDT?
A: The BA4560RF-E2 is not a direct footprint replacement due to its 8-SOP package with 0.173" (4.40mm) width versus the TS512IDT's 8-SOIC (0.154", 3.90mm) width. However, it offers superior performance characteristics: 4 V/µs slew rate (versus 1.5 V/µs), 4 MHz gain bandwidth product, and extended operating temperature to 105°C. PCB layout modification is required for substitution.
Q: What is the minimum supply voltage for each substitute part?
A: The TS512IDT operates from 3V minimum. The AS358AMTR variants also support 3V minimum. The ADTL082ARZ variants require 8V minimum, and Rohm BA4558/BA4560 devices require 8V minimum, except BA4580RFJ-GE2 which operates from 4V minimum. Supply voltage compatibility must be verified for each application.
Q: Which substitute offers the best inventory availability?
A: The AS358AMTR-E1 (Diodes Incorporated) offers the highest inventory at 300,200 pieces. The BA4560RF-E2 (Rohm Semiconductor) provides 330,900 pieces. The ADTL082ARZ-REEL7 (Analog Devices Inc.) offers 22,215 pieces with extended temperature rating matching the TS512IDT.
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