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TSV994AIYPT Equivalent & Substitute Parts
Part Overview
The TSV994AIYPT is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a 4-circuit rail-to-rail amplifier in a 14-TSSOP surface mount package. This device is classified as Active product status and carries automotive-grade qualification under AEC-Q100 standards. The TSV994AIYPT is designed for applications requiring low input bias current, moderate bandwidth, and operation across extended temperature ranges in automotive environments.
Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and compliance certifications align with the original component specifications. Alternative sources and packaging formats may be required due to inventory availability, supply chain considerations, or specific application requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | TSV994AIYPT | — |
| Manufacturer | STMicroelectronics | — |
| Category | Linear, Amplifiers | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 10 | V/µs |
| Gain Bandwidth Product | 20 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 100 | µV |
| Current - Supply (x4 Channels) | 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 |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TSV994AIYPT are grouped based on strict alignment with the following critical parameters: package type (14-TSSOP surface mount), number of circuits (4), output configuration (rail-to-rail), and compliance certifications (ROHS3, AEC-Q100 where applicable). Electrical performance parameters including slew rate, gain bandwidth product, input bias current, and supply voltage range determine functional equivalence.
The TSV994AIPT represents a direct substitute from the same manufacturer with identical electrical specifications and automotive qualification. Analog Devices AD8534ARUZ and AD8534ARUZ-REEL variants provide functional substitution with lower slew rate (5V/µs versus 10V/µs) and reduced gain bandwidth product (3 MHz versus 20 MHz), suitable for applications not requiring the higher performance envelope. The AD8544ARUZ and AD8544ARUZ-REEL series offer ultra-low power consumption (45µA total supply current) with extended temperature range support (-40°C to 125°C), appropriate for power-constrained automotive designs. The AD8604 and AD8608 series employ CMOS technology with enhanced input bias current characteristics (0.2 pA to 1 pA) and higher output current capability, providing alternatives for precision and high-drive applications within the same package footprint.
Parameter Comparison
| Parameter | TSV994AIYPT | TSV994AIPT | AD8534ARUZ | AD8534ARUZ-REEL | AD8544ARUZ | AD8544ARUZ-REEL | AD8604ARUZ | AD8604DRUZ | AD8604DRUZ-REEL | AD8608ARUZ | AD8608ARUZ-REEL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 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 | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP |
| 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) | 10 | 10 | 5 | 5 | 0.92 | 0.92 | 6 | 6 | 6 | 5 | 5 |
| Gain Bandwidth Product (MHz) | 20 | 20 | 3 | 3 | 1 | 1 | 8.4 | 8.4 | 8.4 | 10 | 10 |
| Current - Input Bias (pA) | 1 | 1 | 5 | 5 | 4 | 4 | 0.2 | 0.2 | 0.2 | 1 | 1 |
| Voltage - Input Offset (µV or mV) | 100 µV | 100 µV | 25 mV | 25 mV | 1 mV | 1 mV | 80 µV | 1.3 mV | 1.3 mV | 80 µV | 80 µV |
| Current - Supply (x4 Channels, µA) | 820 | 820 | 750 | 750 | 45 | 45 | 750 | 750 | 750 | 1000 | 1000 |
| Current - Output / Channel (mA) | 35 | 35 | 250 | 250 | 30 | 30 | 50 | 50 | 50 | 80 | 80 |
| Voltage - Supply Span Min (V) | 2.5 | 2.5 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
| Voltage - Supply Span Max (V) | 5.5 | 5.5 | 6 | 6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Grade | Automotive | Automotive | — | — | — | — | — | — | — | — | — |
| Qualification | AEC-Q100 | AEC-Q100 | — | — | — | — | — | — | — | — | — |
| 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
Direct Equivalent Substitution
The TSV994AIPT is a direct functional equivalent to the TSV994AIYPT, manufactured by STMicroelectronics with identical electrical specifications, automotive-grade qualification (AEC-Q100), and extended temperature range (-40°C to 125°C). This part is suitable for one-to-one replacement in all applications. The primary distinction is packaging format: TSV994AIPT is supplied in Cut Tape (CT) & Digi-Reel® format, whereas TSV994AIYPT is also available in the same packaging. Both parts maintain ROHS3 compliance and MSL 1 rating.
Performance-Reduced Substitutes
The AD8534ARUZ and AD8534ARUZ-REEL series from Analog Devices provide functional substitution with reduced performance specifications. These parts operate with slew rate of 5V/µs (versus 10V/µs) and gain bandwidth product of 3 MHz (versus 20 MHz). Input offset voltage is elevated to 25 mV compared to 100 µV in the TSV994AIYPT. However, output current capability is significantly higher at 250 mA per channel. These parts are suitable for applications where bandwidth and slew rate requirements are less stringent. Operating temperature range is limited to -40°C to 85°C, which may restrict use in extended automotive temperature environments.
Ultra-Low Power Substitutes
The AD8544ARUZ and AD8544ARUZ-REEL series offer ultra-low supply current consumption at 45 µA total (versus 820 µA in the TSV994AIYPT), with extended temperature range support (-40°C to 125°C). Slew rate is reduced to 0.92V/µs and gain bandwidth product to 1 MHz. Input offset voltage is improved to 1 mV. These parts are appropriate for power-constrained automotive applications where bandwidth requirements are minimal.
CMOS Technology Alternatives
The AD8604 series (ARUZ, DRUZ, DRUZ-REEL variants) and AD8608 series (ARUZ, ARUZ-REEL variants) employ CMOS technology with superior input bias current characteristics (0.2 pA to 1 pA). The AD8604 series provides 8.4 MHz bandwidth with 6V/µs slew rate, while the AD8608 series offers 10 MHz bandwidth with 5V/µs slew rate. Output current capability ranges from 50 mA (AD8604) to 80 mA (AD8608). All variants support -40°C to 125°C operating temperature and ROHS3 compliance. These parts are suitable for precision applications requiring low input bias current and moderate to high bandwidth performance.
Compliance and Certification
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The TSV994AIYPT and TSV994AIPT retain automotive-grade qualification (AEC-Q100). Analog Devices substitutes do not carry explicit automotive qualification designation in the provided specifications; applications requiring AEC-Q100 certification should confirm compliance with the manufacturer.
Frequently Asked Questions (FAQ)
Q: Can TSV994AIPT be used as a direct replacement for TSV994AIYPT?
A: Yes. The TSV994AIPT is manufactured by STMicroelectronics with identical electrical specifications, automotive-grade qualification (AEC-Q100), and operating temperature range (-40°C to 125°C). Both parts are housed in 14-TSSOP surface mount packages with ROHS3 compliance. The primary difference is packaging format availability.
Q: What are the key differences between TSV994AIYPT and AD8534ARUZ?
A: The AD8534ARUZ has reduced slew rate (5V/µs versus 10V/µs), lower gain bandwidth product (3 MHz versus 20 MHz), and higher input offset voltage (25 mV versus 100 µV). However, it provides higher output current per channel (250 mA versus 35 mA). Operating temperature range is limited to -40°C to 85°C. These differences make the AD8534ARUZ suitable for lower-bandwidth applications but not for designs requiring the full performance envelope of the TSV994AIYPT.
Q: When should AD8544ARUZ be selected over TSV994AIYPT?
A: The AD8544ARUZ is appropriate for power-constrained automotive designs where supply current consumption is critical. It draws only 45 µA total supply current compared to 820 µA in the TSV994AIYPT. The trade-off is significantly reduced bandwidth (1 MHz versus 20 MHz) and slew rate (0.92V/µs versus 10V/µs). Both parts support -40°C to 125°C operating temperature.
Q: What is the advantage of AD8604 and AD8608 CMOS variants?
A: The AD8604 and AD8608 series employ CMOS technology, resulting in extremely low input bias current (0.2 pA to 1 pA versus 1 pA in TSV994AIYPT). The AD8608 offers higher bandwidth (10 MHz) and output current (80 mA) compared to AD8604 (8.4 MHz, 50 mA). These parts are suitable for precision signal conditioning and high-impedance source applications. All variants support -40°C to 125°C operating temperature and ROHS3 compliance.
Q: Are all substitute parts available in Cut Tape (CT) & Digi-Reel® packaging?
A: No. The TSV994AIPT, AD8534ARUZ-REEL, AD8544ARUZ-REEL, AD8604DRUZ-REEL, and AD8608ARUZ-REEL are supplied in Cut Tape (CT) & Digi-Reel® format. The AD8534ARUZ, AD8544ARUZ, AD8604ARUZ, AD8604DRUZ, and AD8608ARUZ are supplied in Tube packaging. Selection should account for assembly process requirements and tape reel compatibility.
Q: Do all substitute parts carry automotive-grade qualification?
A: The TSV994AIYPT and TSV994AIPT carry AEC-Q100 automotive qualification. The Analog Devices substitutes (AD8534, AD8544, AD8604, AD8608 series) do not carry explicit automotive-grade designation in the provided specifications. Applications requiring AEC-Q100 certification should confirm compliance directly with Analog Devices or select the STMicroelectronics TSV994AIPT for guaranteed automotive qualification.
Q: What is the operating temperature range for each substitute?
A: TSV994AIYPT and TSV994AIPT support -40°C to 125°C. AD8534ARUZ and AD8534ARUZ-REEL support -40°C to 85°C. AD8544ARUZ, AD8544ARUZ-REEL, AD8604 series, and AD8608 series all support -40°C to 125°C. Applications requiring extended temperature operation above 85°C should exclude the AD8534 series.
Q: Can the 14-TSSOP package be used interchangeably across all listed parts?
A: Yes. All listed parts use the 14-TSSOP (0.173", 4.40mm Width) surface mount package. Pin-to-pin compatibility is maintained across all substitutes, allowing direct PCB layout reuse. However, electrical performance differences require circuit design validation for each substitute selection.
Q: What is the significance of MSL 1 (Unlimited) rating?
A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture control during storage or handling. All listed parts carry this rating, eliminating moisture sensitivity concerns for inventory management and assembly processes.
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