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STMicroelectronics TSV851AIYLT
- Part No.:
- TSV851AIYLT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TSV851AIYLT.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:4,175
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Product details
Overview
TSV851AIYLT from STMicroelectronics is a single-channel, rail-to-rail output operational amplifier with shutdown functionality, designed for precision signal conditioning in low-voltage, battery-constrained systems. It delivers 1.3 MHz gain bandwidth, 0.8 mV max input offset voltage at 25 °C, 180 µA max supply current per channel at 5 V, and operates across –40 °C to +125 °C - enabling use in automotive sensor front-ends and portable medical monitors.
For engineers reviewing the TSV851AIYLT datasheet, TSV851AIYLT pinout, TSV851AIYLT application, or TSV851AIYLT equivalent, key selection criteria include its shutdown-enabled ultra-low quiescent current (50 nA), enhanced input offset accuracy versus LMV321, rail-to-rail output swing under 2 kΩ load, and AEC-Q100 qualification for automotive signal chains.
Technical Context
The TSV851AIYLT implements a CMOS input stage with rail-to-rail output stage, supporting common-mode input range from VCC– – 0.2 V to VCC+ – 1 V and output swing within 100 mV of rails under light loads. Its internal architecture enables stable operation with capacitive loads up to 200 pF while maintaining ≥60° phase margin.
Shutdown control is implemented via a dedicated SHDN pin that places the amplifier in high-impedance output state and reduces supply current to ≤50 nA; turn-on/turn-off times are specified at 300 ns and 20 ns respectively under 2 kΩ load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.3 V to 5.5 V - supports direct Li-ion battery (3.0–3.7 V) and 3.3 V/5 V system rails without level shifting. |
| Gain Bandwidth Product | 1.3 MHz - enables stable unity-gain buffer and active filter designs up to ~100 kHz with adequate phase margin. |
| Input Offset Voltage | 0.8 mV max at 25 °C - reduces DC error in precision transducer amplification without trimming. |
| Quiescent Current | 180 µA max per channel at 5 V - extends battery life in always-on sensor nodes operating >1 year on coin cell. |
| Shutdown Current | 50 nA max at 25 °C - allows microamp-level system sleep modes while retaining fast wake-up capability. |
| Operating Temperature | –40 °C to +125 °C - validated for under-hood automotive and industrial motor-control feedback paths. |
| Output Drive | ±35 mA sink/source at 5 V - drives 2 kΩ loads while maintaining rail-to-rail swing and THD+N < 0.002%. |
Pinout & Package
TSV851AIYLT is housed in a 5-pin SC70-5 (SOT323-5) package - a 2.0 × 1.25 × 0.9 mm surface-mount outline optimized for space-constrained PCBs in portable and automotive modules.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | In+ | Non-inverting input - accepts signals down to VCC– – 0.2 V, enabling ground-referenced sensor interfacing. |
| 2 | In– | Inverting input - matched to In+ for low input offset; requires symmetrical layout to minimize thermal EMF errors. |
| 3 | Out | Rail-to-rail output - swings within 100 mV of VCC+ and VCC– under 10 kΩ load, reducing headroom loss in low-voltage ADC drivers. |
| 4 | VCC– | Negative supply rail - referenced to system ground in single-supply configurations; decoupling capacitor required. |
| 5 | SHDN | Active-low shutdown enable - pulled high (≥VCC– + 0.5 V) for normal operation; pulled low to enter 50 nA standby mode. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output stage | Delivers full dynamic range to 12-bit SAR ADCs powered from 3.3 V, minimizing gain compression near supply rails. |
| Automotive-grade qualification | AEC-Q100 qualified - ensures reliability in engine control units, body electronics, and ADAS sensor signal chains. |
| Enhanced ESD tolerance | 4 kV HBM (non-SHDN pins), 3.5 kV HBM (SHDN pin) - withstands handling and board assembly without external protection diodes. |
| Low input bias current | 27–60 nA typ at 25 °C - preserves accuracy in high-impedance pH electrode and photodiode transimpedance amplifiers. |
| Stable with capacitive loads | Maintains ≥60° phase margin with 200 pF load - eliminates need for isolation resistors in LCD bias or DAC output buffering. |
Applications
| Automotive Cabin Pressure Sensor | Portable ECG Front-End |
|---|---|
Use Scenario: Amplifying low-level bridge output (±10 mV) from MEMS pressure transducers in HVAC control modules. IC Role / Device Role / Timing Role: Precision instrumentation amplifier stage with shutdown during vehicle sleep mode. Use Value: 0.8 mV Vos and 1.3 MHz GBP enable 12-bit resolution over –40 °C to +85 °C without calibration; 50 nA shutdown current prevents battery drain. |
Use Scenario: Buffering and filtering biopotential signals from dry-electrode ECG leads in wearable monitors. IC Role / Device Role / Timing Role: Rail-to-rail output driver for 16-bit delta-sigma ADC input, with low noise and THD+N < 0.002%. Use Value: 30 nV/√Hz input noise at 1 kHz and 0.002% THD+N preserve diagnostic fidelity; SC70-5 footprint saves PCB area in compact form factors. |
| Industrial Battery Management System | Smart Home CO Detector Signal Chain |
Use Scenario: Monitoring cell voltage and temperature in 4S Li-ion packs using precision resistor dividers and thermistors. IC Role / Device Role / Timing Role: Low-power multiplexed signal conditioner for analog front-end, cycling between channels. Use Value: 180 µA quiescent current enables continuous monitoring on backup coin cell; –40 °C to +125 °C rating covers wide environmental range. |
Use Scenario: Amplifying electrochemical sensor output (nA-level currents) in battery-powered carbon monoxide alarms. IC Role / Device Role / Timing Role: Transimpedance amplifier with shutdown between periodic 30-second measurement cycles. Use Value: 0.5 nA input offset current minimizes dark-current error; 50 nA shutdown current extends 10-year battery life per IEC 62066. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV321IDBVR | No shutdown function; higher Vos (3 mV max); wider supply range (2.7–5.5 V). | Lacks power-gating capability; unsuitable for duty-cycled sensor nodes requiring sub-µA sleep current. | Select when shutdown is unnecessary and cost sensitivity outweighs accuracy requirements. |
| TSV851IYLT | Same package and pinout but lacks SHDN pin; 180 µA IQ only (no 50 nA mode). | Cannot enter ultra-low-power state; requires external FET or system-level power gating for sleep modes. | Choose when board space permits discrete shutdown control or system-level power sequencing is already implemented. |
Compared with LMV321IDBVR and TSV851IYLT, the TSV851AIYLT uniquely combines AEC-Q100 qualification, 0.8 mV Vos, and integrated 50 nA shutdown - making it the sole option for automotive or industrial designs demanding both precision and autonomous low-power operation.
Availability
TSV851AIYLT is available at Aetrix Electronics and suitable for automotive signal conditioning, portable medical instrumentation, and battery-powered sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TSV851AIYLT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, delivering intelligent power, sensing, and control solutions for automotive, industrial, and consumer markets.
The TSV85x series belongs to ST's precision analog portfolio, engineered specifically for low-voltage, low-power signal conditioning in harsh environments - emphasizing rail-to-rail performance, automotive qualification, and miniature packaging.
FAQ
What is the maximum capacitive load the TSV851AIYLT can drive while remaining stable?
The TSV851AIYLT maintains ≥60° phase margin with up to 200 pF capacitive load when driving a 50 kΩ resistive load, as verified in Figure 8 and Figure 9 of the datasheet. For loads exceeding 200 pF, external isolation resistance (e.g., 10–50 Ω in series with the output) is recommended to preserve stability in ADC driver or filter applications.
Does the SHDN pin require a pull-up resistor, and what value is recommended?
Yes - the SHDN pin must never be left floating. A 100 kΩ pull-up resistor to VCC+ is recommended for reliable activation, ensuring VIH ≥ VCC– + 0.5 V. This value balances immunity to noise against current draw during active operation, and aligns with typical microcontroller GPIO drive strength in battery-powered systems.
How does the input offset voltage drift behave over temperature?
The TSV851AIYLT exhibits a maximum input offset voltage drift of 1 µV/°C across –40 °C to +125 °C, as specified in Table 4 and Table 6. This low drift - combined with 0.8 mV max Vos at 25 °C - ensures total offset remains below 2.0 mV over the full automotive temperature range, eliminating need for system-level calibration in most sensor interfaces.
Can the TSV851AIYLT operate from a single 2.5 V supply?
Yes - the device is fully specified down to 2.3 V supply voltage. At 2.5 V, it delivers 1.3 MHz GBP, 180 µA max ICC, and rail-to-rail output swing within 200 mV of each rail under 2 kΩ load, as confirmed in electrical characteristics tables and Figures 2 and 5. Operation at 2.5 V is valid for all guaranteed parameters across –40 °C to +125 °C.
TSV851AIYLT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.7V/µs
- Gain Bandwidth Product:
- 1.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 27 nA
- Voltage - Input Offset:
- 800 µV
- Current - Supply:
- 130µA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TSV851AIYLT FAQ
1.How can I place an order for TSV851AIYLT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSV851AIYLT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TSV851AIYLT reliable?
The price and inventory of TSV851AIYLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV851AIYLT is usually 5 days.
3.What payment methods are accepted for TSV851AIYLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV851AIYLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSV851AIYLT?
TSV851AIYLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSV851AIYLT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TSV851AIYLT?
For technical support, including TSV851AIYLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV851AIYLT requirements.
6.How does Aetrix verify that TSV851AIYLT is sourced from the original manufacturer or authorized distributors?
All TSV851AIYLT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TSV851AIYLT meets industry standards.
7.What is the process for return or replacement of TSV851AIYLT?
All TSV851AIYLT units undergo pre-shipment inspection (PSI). If there is an issue with TSV851AIYLT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TSV851AIYLT part is unused and in its original packaging.
Return procedure for TSV851AIYLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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