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TSV991AIYLT Equivalent & Substitute Parts
Part Overview
The TSV991AIYLT is a general-purpose operational amplifier manufactured by STMicroelectronics, housed in a SOT-23-5 surface mount package. This rail-to-rail amplifier is designed for low-power applications requiring single-circuit amplification across a 2.5 V to 5.5 V supply range. The device is qualified to AEC-Q100 automotive standards and maintains active product status with 32,042 units in current inventory. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific performance requirements where the TSV991AIYLT may be unavailable or where alternative electrical characteristics better suit specific circuit demands.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 10 | V/µs |
| Gain Bandwidth Product | 20 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 1.5 | mV |
| Current - Supply | 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 | SC-74A, SOT-753 | — |
| Supplier Device Package | SOT-23-5 | — |
| Grade | Automotive | — |
| Qualification | AEC-Q100 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TSV991AIYLT is determined by electrical and mechanical compatibility across the following critical parameters:
Electrical Compatibility Criteria:
- Single-circuit general-purpose amplifier topology
- Rail-to-rail output capability
- Supply voltage range overlap: minimum 2.5 V, maximum 5.5 V
- Operating temperature range: -40°C to 125°C
- SOT-23-5 package footprint compatibility
Substitution Logic:
Substitute parts are grouped into two categories based on electrical performance alignment:
Category 1: Direct Electrical Equivalents (TSV991AILT) Parts that maintain identical or near-identical electrical specifications including slew rate (10 V/µs), gain bandwidth product (20 MHz), and supply current (820 µA). These substitutes provide drop-in replacement capability with no circuit redesign required.
Category 2: Functional Equivalents with Performance Trade-offs (AD8605ARTZ variants, AD8691AUJZ-REEL7, AD8691WAUJZ-R7, ISL28133FHZ-T7, LMV721 variants) Parts that maintain rail-to-rail output, single-circuit configuration, and SOT-23-5 packaging but exhibit different slew rates, gain bandwidth products, supply currents, or input offset voltages. These substitutes require circuit evaluation to confirm suitability for specific application bandwidth and noise requirements.
Mechanical Compatibility: All substitute parts are surface-mount devices in SOT-23-5 or TSOT-23-5 packages, compatible with SC-74A footprints. Packaging format variations (Cut Tape, Digi-Reel, Tape & Reel) do not affect electrical substitution but may influence procurement and assembly logistics.
Parameter Comparison
| Part Number | Manufacturer | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TSV991AIYLT | STMicroelectronics | 10 | 20 | 1 | 1.5 | 820 | 35 | 2.5 | 5.5 | -40 to 125 | SOT-23-5 | Automotive |
| TSV991AILT | STMicroelectronics | 10 | 20 | 1 | — | 820 | 35 | 2.5 | 5.5 | -40 to 125 | SOT-23-5 | — |
| AD8605ARTZ-R2 | Analog Devices Inc. | 5 | 10 | 0.2 | 0.08 | 1000 | 80 | 2.7 | 5.5 | -40 to 125 | SOT-23-5 | — |
| AD8605ARTZ-REEL | Analog Devices Inc. | 5 | 10 | 0.2 | 0.08 | 1000 | 80 | 2.7 | 5.5 | -40 to 125 | SOT-23-5 | — |
| AD8605ARTZ-REEL7 | Analog Devices Inc. | 5 | 10 | 0.2 | 0.08 | 1000 | 80 | 2.7 | 5.5 | -40 to 125 | SOT-23-5 | — |
| AD8691AUJZ-REEL7 | Analog Devices Inc. | 5 | 10 | 0.2 | 0.4 | 950 | 80 | 2.7 | 5.5 | -40 to 125 | TSOT-23-5 | — |
| AD8691WAUJZ-R7 | Analog Devices Inc. | 5 | 10 | 200 | 0.4 | 950 | 80 | 2.7 | 6 | -40 to 125 | TSOT-23-5 | Automotive |
| ISL28133FHZ-T7 | Renesas Electronics Corporation | 0.2 | 0.4 | 30 | 0.002 | 18 | 26 | 1.8 | 5.5 | -40 to 125 | SOT-23-5 | — |
| LMV721IDBVR | Texas Instruments | 5.25 | 10 | 260 | 0.08 | 1030 | — | 2.2 | 5 | -40 to 105 | SOT-23-5 | — |
| LMV721M5 | National Semiconductor | 5.25 | 10 | 260 | 0.08 | 1030 | 52.6 | 2.2 | 5.5 | -40 to 85 | SOT-23-5 | Automotive |
| LMV721M5/NOPB | Texas Instruments | 5.25 | 10 | 260 | 0.08 | 1030 | — | 2.2 | 5.5 | -40 to 85 | SOT-23-5 | — |
Engineering Selection Recommendations
Primary Substitute: TSV991AILT
The TSV991AILT from STMicroelectronics is the closest electrical equivalent to the TSV991AIYLT. Both devices share identical slew rate (10 V/µs), gain bandwidth product (20 MHz), supply current (820 µA), output current (35 mA), and supply voltage range (2.5 V to 5.5 V). The TSV991AILT maintains the same operating temperature range (-40°C to 125°C) and SOT-23-5 packaging. This part provides direct substitution capability without circuit modification. Current inventory of 3,608 units supports immediate availability.
Secondary Substitutes: AD8605ARTZ Variants (AD8605ARTZ-R2, AD8605ARTZ-REEL, AD8605ARTZ-REEL7)
The AD8605ARTZ family from Analog Devices Inc. maintains rail-to-rail output, single-circuit configuration, and SOT-23-5 packaging compatible with the TSV991AIYLT footprint. These devices operate across -40°C to 125°C and support supply voltages from 2.7 V to 5.5 V. However, the AD8605ARTZ variants exhibit reduced slew rate (5 V/µs versus 10 V/µs) and lower gain bandwidth product (10 MHz versus 20 MHz). These trade-offs are suitable for applications where bandwidth requirements do not exceed 10 MHz. The AD8605ARTZ variants offer superior input offset voltage (80 µV versus 1.5 mV) and higher output current capability (80 mA versus 35 mA). Inventory availability ranges from 4,380 to 18,300 units across variants.
Tertiary Substitutes: AD8691 Variants (AD8691AUJZ-REEL7, AD8691WAUJZ-R7)
The AD8691AUJZ-REEL7 and AD8691WAUJZ-R7 from Analog Devices Inc. are housed in TSOT-23-5 (thin SOT-23-5) packages, which maintain footprint compatibility with SC-74A layouts. Both variants operate across -40°C to 125°C with supply voltage range 2.7 V to 5.5 V (AD8691WAUJZ-R7 extends to 6 V maximum). These devices share the same slew rate (5 V/µs) and gain bandwidth product (10 MHz) as the AD8605ARTZ family but provide higher output current (80 mA). The AD8691WAUJZ-R7 carries automotive grade qualification, supporting applications requiring AEC-Q100 compliance. Current inventory of 35,835 units (AD8691AUJZ-REEL7) and 4,200 units (AD8691WAUJZ-R7) ensures supply availability.
Specialized Substitute: ISL28133FHZ-T7
The ISL28133FHZ-T7 from Renesas Electronics Corporation is a zero-drift amplifier offering exceptional input offset voltage (2 µV) and extremely low input bias current (30 pA). This device is suitable for precision measurement and low-noise applications where the TSV991AIYLT's general-purpose characteristics are insufficient. However, the ISL28133FHZ-T7 exhibits significantly reduced slew rate (0.2 V/µs) and gain bandwidth product (400 kHz), making it unsuitable for high-speed signal processing. Supply current is substantially lower (18 µA), and output current is reduced to 26 mA. This substitute is applicable only to applications prioritizing precision over bandwidth.
Alternative Substitutes: LMV721 Variants (LMV721IDBVR, LMV721M5, LMV721M5/NOPB)
The LMV721 family from Texas Instruments provides general-purpose amplification with slew rate of 5.25 V/µs and gain bandwidth product of 10 MHz. These devices operate across -40°C to 105°C (LMV721IDBVR, LMV721M5/NOPB) or -40°C to 85°C (LMV721M5) with supply voltage range 2.2 V to 5 V (LMV721IDBVR) or 2.2 V to 5.5 V (LMV721M5 variants). The LMV721M5 carries automotive grade qualification and AEC-Q100 certification. These substitutes are suitable for applications where the reduced bandwidth of 10 MHz is acceptable and where the lower minimum supply voltage (2.2 V) provides design advantage. Current inventory ranges from 1,508 to 35,300 units.
Compliance and Certification Considerations:
The TSV991AIYLT carries automotive grade qualification and AEC-Q100 certification. Direct substitutes maintaining automotive qualification include TSV991AILT (no grade specified), AD8691WAUJZ-R7 (automotive grade), and LMV721M5 (automotive grade, AEC-Q100). For applications requiring automotive-grade components, AD8691WAUJZ-R7 and LMV721M5 are preferred alternatives. All listed substitutes maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, ensuring compatibility with standard assembly and storage practices.
Frequently Asked Questions (FAQ)
Q: Can the TSV991AILT be used as a direct replacement for the TSV991AIYLT?
A: Yes. The TSV991AILT is electrically identical to the TSV991AIYLT across all critical parameters: slew rate (10 V/µs), gain bandwidth product (20 MHz), supply current (820 µA), output current (35 mA), and supply voltage range (2.5 V to 5.5 V). Both devices operate across -40°C to 125°C and are housed in SOT-23-5 packages. No circuit modification is required for substitution.
Q: What are the key differences between the TSV991AIYLT and AD8605ARTZ variants?
A: The primary differences are slew rate and gain bandwidth product. The TSV991AIYLT provides 10 V/µs slew rate and 20 MHz bandwidth, while AD8605ARTZ variants provide 5 V/µs slew rate and 10 MHz bandwidth. The AD8605ARTZ variants offer superior input offset voltage (80 µV versus 1.5 mV) and higher output current (80 mA versus 35 mA). Substitution is suitable for applications where 10 MHz bandwidth is sufficient.
Q: Are the AD8691AUJZ-REEL7 and AD8691WAUJZ-R7 footprint-compatible with the TSV991AIYLT?
A: Yes. Both AD8691 variants are housed in TSOT-23-5 (thin SOT-23-5) packages, which maintain footprint compatibility with SC-74A layouts used by the TSV991AIYLT. The TSOT-23-5 package is a thinner variant of SOT-23-5 but shares identical pin spacing and land pattern dimensions.
Q: Which substitute part is recommended for automotive applications requiring AEC-Q100 certification?
A: The AD8691WAUJZ-R7 and LMV721M5 both carry automotive grade qualification and AEC-Q100 certification. The AD8691WAUJZ-R7 provides higher bandwidth (10 MHz) and output current (80 mA), while the LMV721M5 offers lower minimum supply voltage (2.2 V). Selection depends on specific circuit requirements for bandwidth and supply voltage range.
Q: Can the ISL28133FHZ-T7 replace the TSV991AIYLT in high-speed applications?
A: No. The ISL28133FHZ-T7 is unsuitable for high-speed applications. This zero-drift amplifier provides only 0.2 V/µs slew rate and 400 kHz bandwidth, compared to the TSV991AIYLT's 10 V/µs slew rate and 20 MHz bandwidth. The ISL28133FHZ-T7 is applicable only to precision measurement applications where bandwidth requirements are below 400 kHz.
Q: What is the impact of supply voltage range differences on substitution?
A: The TSV991AIYLT operates across 2.5 V to 5.5 V. Most substitute parts (AD8605ARTZ, AD8691 variants) operate across 2.7 V to 5.5 V, requiring minimum supply voltage of 2.7 V instead of 2.5 V. The LMV721 variants operate across 2.2 V to 5 V or 2.2 V to 5.5 V, providing lower minimum voltage but potentially lower maximum voltage. Verify circuit supply voltage compatibility before substitution.
Q: Do packaging format differences (Cut Tape, Digi-Reel, Tape & Reel) affect electrical substitution?
A: No. Packaging format differences do not affect electrical performance or circuit compatibility. These variations address procurement and assembly logistics only. All substitute parts in SOT-23-5 or TSOT-23-5 packages are electrically interchangeable regardless of packaging format.
Q: Which substitute provides the best input offset voltage performance?
A: The ISL28133FHZ-T7 provides the lowest input offset voltage at 2 µV, followed by the AD8605ARTZ and LMV721 variants at 80 µV. The TSV991AIYLT provides 1.5 mV input offset voltage. For precision applications requiring minimal offset voltage, the AD8605ARTZ or LMV721 variants are preferred over the TSV991AIYLT, while the ISL28133FHZ-T7 is optimal for ultra-precision applications accepting reduced bandwidth.
Q: What is the maximum output current available from substitute parts?
A: The AD8605ARTZ and AD8691 variants provide the highest output current at 80 mA, compared to the TSV991AIYLT's 35 mA. The LMV721M5 provides 52.6 mA output current. The ISL28133FHZ-T7 provides 26 mA. Selection of substitute parts with higher output current capability supports applications requiring higher load drive capability.
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