Request Quote
(Ships tomorrow)
TSV994AIYDT Equivalent & Substitute Parts
Part Overview
The TSV994AIYDT is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface-mount package. This device is classified as Active product status and carries AEC-Q100 automotive qualification with ROHS3 compliance. The TSV994AIYDT serves applications requiring low-power, multi-channel amplification with automotive-grade reliability across extended temperature ranges. Substitute parts are identified when equivalent electrical performance, package compatibility, and operational specifications align with the primary device, enabling direct replacement in circuit designs or addressing supply chain requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| 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 |
| Package / Case | 14-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 TSV994AIYDT are identified based on strict alignment with the following critical parameters: 4-circuit configuration, rail-to-rail output topology, 14-SOIC package footprint, surface-mount technology, and operating temperature range of -40°C to 125°C. The substitution logic recognizes two distinct categories:
Category 1: Direct STMicroelectronics Variants The TSV994AIDT shares identical electrical specifications, automotive grade classification, and AEC-Q100 qualification with the primary part. This variant differs only in packaging format (Cut Tape & Digi-Reel versus the original specification), making it a direct functional equivalent.
Category 2: Analog Devices Alternatives Parts including AD8534ARZ, AD8534ARZ-REEL, AD8544ARZ-REEL, AD8544ARZ-REEL7, AD8544WARZ-R7, AD8604ARZ, AD8604ARZ-REEL, AD8604ARZ-REEL7, and AD8604DRZ maintain the 4-circuit, rail-to-rail, 14-SOIC configuration and surface-mount technology. These alternatives operate within compatible supply voltage ranges (2.7V to 5.5V or 6V maximum) and extended temperature specifications (-40°C to 85°C or -40°C to 125°C). Electrical performance characteristics vary across slew rate, gain-bandwidth product, input bias current, and output current specifications, requiring application-specific evaluation for functional compatibility.
Substitution eligibility is determined exclusively by package compatibility, circuit count, output topology, mounting technology, and temperature range alignment. No performance assumptions or testing recommendations are applied.
Parameter Comparison
| Parameter | TSV994AIYDT | TSV994AIDT | AD8534ARZ | AD8534ARZ-REEL | AD8544ARZ-REEL | AD8544ARZ-REEL7 | AD8544WARZ-R7 | AD8604ARZ | AD8604ARZ-REEL | AD8604ARZ-REEL7 | AD8604DRZ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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. |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | CMOS | CMOS | CMOS | CMOS |
| 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 |
| Slew Rate (V/µs) | 10 | 10 | 5 | 5 | 0.92 | 0.92 | 0.92 | 6 | 6 | 6 | 6 |
| Gain Bandwidth Product (MHz) | 20 | 20 | 3 | 3 | 1 | 1 | 1 | 8.4 | 8.4 | 8.4 | 8.4 |
| Current - Input Bias (pA) | 1 | 1 | 5 | 5 | 4 | 4 | 4 | 0.2 | 0.2 | 0.2 | 0.2 |
| Voltage - Input Offset (µV or mV) | 100 µV | 100 µV | 25 mV | 25 mV | 1 mV | 1 mV | 1 mV | 80 µV | 80 µV | 80 µV | 1.3 mV |
| Current - Supply (x4 Channels, µA) | 820 | 820 | 750 | 750 | 45 | 45 | 45 | 750 | 750 | 750 | 750 |
| Current - Output / Channel (mA) | 35 | 35 | 250 | 250 | 30 | 30 | 30 | 50 | 50 | 50 | 50 |
| 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 |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-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 |
| 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 |
Engineering Selection Recommendations
TSV994AIDT is the primary substitute for TSV994AIYDT. Both devices carry identical electrical specifications, automotive-grade classification, and AEC-Q100 qualification. The TSV994AIDT is available in higher inventory (55,300 units) compared to the primary part (3,400 units), making it suitable for direct replacement in applications requiring automotive-qualified, AEC-Q100 certified amplifiers with extended temperature operation to 125°C.
AD8544ARZ-REEL7 and AD8544ARZ-REEL are substitutes for applications where ultra-low supply current consumption (45 µA across 4 channels) is prioritized over slew rate and bandwidth performance. These devices maintain the -40°C to 125°C operating temperature range and 14-SOIC package compatibility. The AD8544 series exhibits reduced slew rate (0.92 V/µs) and gain-bandwidth product (1 MHz) relative to the TSV994AIYDT, with significantly lower input offset voltage (1 mV) and output current capability (30 mA per channel).
AD8604ARZ-REEL7 is a substitute for applications requiring CMOS amplifier characteristics with improved input bias current (0.2 pA) and moderate slew rate (6 V/µs). This device maintains -40°C to 125°C temperature operation and 14-SOIC package compatibility, with higher output current capability (50 mA per channel) than the TSV994AIYDT.
AD8534ARZ and AD8534ARZ-REEL are substitutes for applications operating within the -40°C to 85°C temperature range. These devices provide higher output current capability (250 mA per channel) and extended supply voltage range (2.7V to 6V maximum) but operate at reduced slew rate (5 V/µs) and gain-bandwidth product (3 MHz).
All substitute parts maintain ROHS3 compliance and surface-mount 14-SOIC package compatibility. Selection between alternatives depends on application-specific requirements for supply current, slew rate, output current, temperature range, and bandwidth performance.
Frequently Asked Questions (FAQ)
Q: Can TSV994AIDT be used as a direct replacement for TSV994AIYDT?
A: Yes. The TSV994AIDT is a direct functional equivalent with identical electrical specifications, automotive grade, AEC-Q100 qualification, and -40°C to 125°C operating temperature range. The only difference is packaging format (Cut Tape & Digi-Reel versus the original specification). Both devices are suitable for direct substitution in circuit designs.
Q: What is the primary difference between the TSV994AIYDT and Analog Devices AD8544 series?
A: The AD8544 series (AD8544ARZ-REEL, AD8544ARZ-REEL7, AD8544WARZ-R7) operates at significantly lower supply current (45 µA across 4 channels versus 820 µA), reduced slew rate (0.92 V/µs versus 10 V/µs), and lower gain-bandwidth product (1 MHz versus 20 MHz). The AD8544 series maintains the same -40°C to 125°C temperature range and 14-SOIC package. Selection depends on whether power consumption reduction outweighs the performance trade-offs in slew rate and bandwidth.
Q: Are Analog Devices AD8534 parts suitable for automotive applications?
A: The AD8534ARZ and AD8534ARZ-REEL do not carry automotive grade classification or AEC-Q100 qualification. These parts are suitable for non-automotive applications operating within the -40°C to 85°C temperature range. For automotive-qualified substitutes, use TSV994AIDT, AD8544ARZ-REEL, AD8544ARZ-REEL7, or AD8604ARZ-REEL7.
Q: What is the package compatibility across all substitute parts?
A: All substitute parts use the 14-SOIC (0.154", 3.90mm Width) surface-mount package, identical to the TSV994AIYDT. This ensures direct footprint compatibility on printed circuit boards without layout modifications.
Q: Which substitute offers the lowest input bias current?
A: The AD8604 series (AD8604ARZ, AD8604ARZ-REEL, AD8604ARZ-REEL7, AD8604DRZ) provides the lowest input bias current at 0.2 pA, compared to 1 pA for the TSV994AIYDT. These CMOS amplifiers maintain -40°C to 125°C temperature operation and 14-SOIC package compatibility.
Q: Can AD8534ARZ be used in applications requiring -40°C to 125°C operation?
A: No. The AD8534ARZ and AD8534ARZ-REEL are rated for -40°C to 85°C operation only. For applications requiring extended temperature operation to 125°C, use TSV994AIDT, AD8544 series, or AD8604 series alternatives.
Q: What is the output current capability difference between TSV994AIYDT and AD8534ARZ?
A: The TSV994AIYDT provides 35 mA output current per channel, while the AD8534ARZ provides 250 mA per channel. Applications requiring higher output current should use the AD8534 series, provided the -40°C to 85°C temperature limit is acceptable.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed (TSV994AIDT, AD8534 series, AD8544 series, and AD8604 series) are ROHS3 compliant, matching the environmental compliance status of the TSV994AIYDT.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts