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TS512AIYDT Equivalent & Substitute Parts
Part Overview
The TS512AIYDT is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This linear amplifier is designed for applications requiring low-cost, general-purpose amplification with automotive-grade qualification (AEC-Q100). The device operates across a wide supply voltage range of 3V to 30V and maintains performance across the industrial temperature range of -40°C to 125°C. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be achieved within the specified parameter tolerances.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Slew Rate | 1.5 | V/µs |
| Gain Bandwidth Product | 3 | MHz |
| Current - Input Bias | 50 | nA |
| Voltage - Input Offset | 500 | µV |
| Current - Supply (per channel) | 500 | µA |
| Current - Output / Channel | 23 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the TS512AIYDT are identified based on the following critical parameters:
Mechanical Compatibility: All substitute parts must be surface mount devices in 8-pin SOIC or equivalent package configurations with compatible pinouts for dual-channel operational amplifiers.
Electrical Performance Envelope: Substitute parts must operate within the supply voltage range of 3V to 30V minimum and maximum specifications. The input bias current, input offset voltage, slew rate, and gain bandwidth product define the performance class. Parts with superior specifications (lower input bias current, faster slew rate, higher bandwidth) are acceptable substitutes when mechanical and thermal requirements are met.
Thermal and Environmental Requirements: Operating temperature range must encompass or exceed the -40°C to 125°C specification. Parts with narrower temperature ranges are acceptable only when the application environment is confirmed to operate within those limits.
Compliance and Certification: RoHS3 compliance and REACH unaffected status are mandatory. Automotive-grade qualification (AEC-Q100) is preferred for automotive applications but not required for general industrial use.
Packaging Format: The primary part is supplied in Tape & Reel (TR) format. Substitute parts in Cut Tape (CT), Digi-Reel, or Tube packaging are functionally equivalent but may require supply chain adjustments.
Parameter Comparison
| Parameter | TS512AIYDT | ADTL082ARZ | ADTL082ARZ-REEL | ADTL082ARZ-REEL7 | BA4558F-E2 | BA4558RF-E2 | BA4560F-E2 | BA4560RF-E2 | LM258DR | LM258DRG4 | LT1013DS8#PBF |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices | Analog Devices | Analog Devices | Rohm | Rohm | Rohm | Rohm | UMW | Texas Instruments | Analog Devices |
| 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 |
| Slew Rate (V/µs) | 1.5 | 20 | 20 | 20 | 1.2 | 1 | 4 | 4 | — | 0.3 | 0.4 |
| Gain Bandwidth Product (MHz) | 3 | 5 | 5 | 5 | 2 | 2 | 10 | 4 | — | 0.7 | 1 |
| Current - Input Bias (nA) | 50 | 2 | 2 | 2 | 60 | 60 | 50 | 50 | 45 | 20 | 15 |
| Voltage - Input Offset (µV) | 500 | 1500 | 1500 | 1500 | 500 | 500 | 500 | 500 | 2000 | 3000 | 60 |
| Current - Supply per Channel (µA) | 500 | 1200 | 1200 | 1200 | — | 3000 | — | 3000 | 1000 | 500 | 350 |
| Current - Output / Channel (mA) | 23 | 27 | 27 | 27 | 10 | 10 | 25 | 25 | 40 | 40 | 20 |
| Voltage - Supply Span Min (V) | 3 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | — | 3 | 4 |
| Voltage - Supply Span Max (V) | 30 | 36 | 36 | 36 | 30 | 30 | 30 | 30 | 32 | 32 | 44 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 105 | -40 to 85 | -40 to 105 | -25 to 85 | -25 to 85 | 0 to 70 |
| 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 (0.173", 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) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Mechanical Substitutes (Identical 8-SOIC 0.154" Package):
The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 devices are mechanically and electrically compatible with the TS512AIYDT. These J-FET input amplifiers provide superior input bias current performance (2 pA versus 50 nA) and higher slew rate (20 V/µs versus 1.5 V/µs). All three variants maintain the same electrical specifications and differ only in packaging format (Tube, Cut Tape & Digi-Reel, or Cut Tape & Digi-Reel 7-inch reel). These parts are active products with full RoHS3 compliance and REACH unaffected status. The ADTL082ARZ-REEL7 variant offers the highest inventory availability (22,215 units).
The LM258DR and LM258DRG4 devices are general-purpose amplifiers in the identical 8-SOIC 0.154" package. The LM258DR (UMW) is an active product with 455,100 units in stock. The LM258DRG4 (Texas Instruments) is discontinued at DiGi Electronics but maintains 22,700 units in inventory. Both devices operate within the 3V to 32V supply range and support the -25°C to 85°C temperature envelope. The LM258DRG4 matches the TS512AIYDT supply current specification (500 µA per channel) and maintains identical output current capability (40 mA).
The LT1013DS8#PBF is an active Analog Devices product in the 8-SOIC 0.154" package with superior input offset voltage (60 µV versus 500 µV) and lower supply current (350 µA per channel). This device operates across a 4V to 44V supply range but is limited to 0°C to 70°C operating temperature, restricting use in applications requiring the full -40°C to 125°C range.
Package-Compatible Substitutes (8-SOIC 0.173" Width):
The BA4558F-E2, BA4558RF-E2, BA4560F-E2, and BA4560RF-E2 devices are general-purpose amplifiers in the 8-SOIC 0.173" (4.40mm width) package. These parts are mechanically compatible with standard 8-pin SOIC footprints but have a wider body dimension. The BA4560F-E2 and BA4560RF-E2 offer superior slew rate (4 V/µs) and higher gain bandwidth product (10 MHz and 4 MHz respectively) compared to the TS512AIYDT. The BA4560RF-E2 is the highest-volume substitute with 330,900 units in stock and supports -40°C to 105°C operation. All Rohm devices are active products with full RoHS3 compliance.
Product Status Considerations:
The TS512AIYDT is an active product with 37,330 units in stock. All recommended substitutes maintain active product status except the LM258DRG4, which is discontinued at DiGi Electronics. Substitutes with active status are preferred for new designs and long-term supply assurance.
Compliance and Certification:
All substitute parts maintain RoHS3 compliance and REACH unaffected status, matching the TS512AIYDT environmental compliance profile. The TS512AIYDT carries automotive-grade qualification (AEC-Q100), which is not matched by all substitutes. For automotive applications requiring AEC-Q100 certification, the ADTL082ARZ variants and LM258DRG4 do not carry this qualification. Verification of application requirements is necessary before substitution in automotive systems.
Frequently Asked Questions (FAQ)
Q: Can the ADTL082ARZ replace the TS512AIYDT in all applications?
A: The ADTL082ARZ is mechanically and electrically compatible with the TS512AIYDT in the 8-SOIC 0.154" package. The ADTL082ARZ provides superior performance characteristics (lower input bias current, higher slew rate, higher bandwidth). However, the ADTL082ARZ does not carry AEC-Q100 automotive qualification. For automotive applications requiring AEC-Q100 certification, substitution is not recommended without design review and qualification testing.
Q: What is the difference between ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7?
A: These three part numbers represent the same device with identical electrical specifications. The differences are in packaging format: ADTL082ARZ is supplied in Tube packaging, ADTL082ARZ-REEL is supplied in Cut Tape & Digi-Reel format, and ADTL082ARZ-REEL7 is supplied in Cut Tape & Digi-Reel 7-inch reel format. Selection depends on manufacturing equipment compatibility and supply chain requirements.
Q: Why do the BA4558 and BA4560 devices have a different package width (0.173" versus 0.154")?
A: The BA4558 and BA4560 devices are manufactured by Rohm Semiconductor in an 8-SOP package with 0.173" (4.40mm) body width, compared to the standard 8-SOIC 0.154" (3.90mm) width of the TS512AIYDT. Both packages are 8-pin surface mount configurations with compatible pinouts. The wider body may require PCB footprint verification before substitution. Standard 8-pin SOIC footprints typically accommodate both widths, but design review is recommended.
Q: Can the LT1013DS8#PBF be used in applications requiring -40°C to 125°C operation?
A: No. The LT1013DS8#PBF is specified for 0°C to 70°C operating temperature, which does not encompass the full -40°C to 125°C range of the TS512AIYDT. This device is suitable only for applications operating within the 0°C to 70°C envelope. For full temperature range operation, select substitutes with -40°C to 125°C or -40°C to 105°C specifications.
Q: Is the LM258DRG4 still available for new designs?
A: The LM258DRG4 is discontinued at DiGi Electronics, though 22,700 units remain in inventory. For new designs requiring long-term supply assurance, the active product alternatives (ADTL082ARZ variants, BA4560RF-E2, or LM258DR) are recommended. The LM258DRG4 may be considered only for legacy product support or short-term production runs.
Q: What are the key electrical differences between general-purpose and J-FET input amplifiers?
A: J-FET input amplifiers (ADTL082ARZ) feature extremely low input bias current (2 pA versus 50 nA for general-purpose types) and higher slew rate (20 V/µs versus 1.5 V/µs). J-FET devices are preferred for high-impedance signal sources and applications requiring fast transient response. General-purpose amplifiers (TS512AIYDT, BA4558, BA4560) offer lower cost and simpler biasing requirements. Selection depends on application signal source impedance and bandwidth requirements.
Q: Can substitutes with higher supply current be used in battery-powered applications?
A: Supply current specifications must be evaluated against application power budget. The TS512AIYDT draws 500 µA per channel (1 mA total for dual channels). Substitutes with higher supply current (ADTL082ARZ at 1.2 mA per channel, BA4558RF-E2 at 3 mA per channel) will increase power consumption. For battery-powered designs, select substitutes with equal or lower supply current, or verify that the application power budget accommodates the increased consumption.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and REACH unaffected status, matching the TS512AIYDT environmental compliance profile. This ensures compatibility with regulatory requirements for electronic equipment in regulated markets.
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