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STMicroelectronics TSV851IYLT
- Part No.:
- TSV851IYLT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TSV851IYLT.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,711
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Product details
Overview
TSV851IYLT 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, 180 µA supply current per channel at 5 V, 0.8 mV max input offset voltage at 25 °C, and operates across -40 °C to +125 °C - enabling use in automotive sensor front-ends and portable medical monitors.
For engineers reviewing the TSV851IYLT datasheet, TSV851IYLT pinout, TSV851IYLT application, or TSV851IYLT equivalent, key selection criteria include its 2.3–5.5 V supply range, 50 nA shutdown current, rail-to-rail output swing (±180 mV from rails), enhanced input offset drift (1 µV/°C), and SC70-5 package compatibility with space-constrained PCB layouts.
Technical Context
The TSV851IYLT integrates a CMOS input stage enabling rail-to-rail input common-mode range (VCC− − 0.2 V to VCC+ − 1 V) and rail-to-rail output swing, supporting accurate amplification near supply rails. Its internal shutdown control logic activates high-impedance output state when SHDN is pulled low, reducing quiescent current to ≤50 nA.
It employs a unity-gain-stable architecture with 60° phase margin and 10 dB gain margin at 200 pF load, ensuring robust stability in active filtering and transducer interface circuits without external compensation. The device meets AEC-Q100 Grade 0 qualification for automotive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.3 V to 5.5 V - supports direct connection to Li-ion, 3.3 V, and 5 V rails without level-shifting. |
| Gain Bandwidth Product | 1.3 MHz - enables stable closed-loop operation up to ~100 kHz with gain ≥10 in sensor amplification stages. |
| Input Offset Voltage | 0.8 mV max at 25 °C - reduces DC error in precision instrumentation without trimming. |
| Supply Current per Channel | 180 µA max at 5 V - extends battery life in always-on wearable and telematics modules. |
| Shutdown Current | 50 nA max at 25 °C - allows micro-power sleep modes in duty-cycled data acquisition systems. |
| Output Swing | Rail-to-rail - delivers full dynamic range into ADCs with 0–VCC input ranges, minimizing headroom loss. |
| Operating Temperature | −40 °C to +125 °C - guarantees performance in under-hood automotive and industrial motor-control environments. |
Pinout & Package
The TSV851IYLT is housed in a 5-pin SC70-5 (SOT323-5) package - a 2.0 mm × 1.25 mm surface-mount outline with 0.65 mm pitch, optimized for high-density PCBs in portable and automotive ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN+) | Non-inverting input | Accepts input signals within VCC− − 0.2 V to VCC+ − 1 V; no phase reversal across full common-mode range. |
| 2 (IN−) | Inverting input | Differential pair input node; bias current ≤60 nA ensures minimal error in high-impedance sensor interfaces. |
| 3 (OUT) | Amplifier output | Drives loads down to 2 kΩ while maintaining rail-to-rail swing; sinks/sources ≥35 mA at 5 V. |
| 4 (VCC−) | Negative supply | Ground reference for single-supply operation; must be connected directly to system GND or negative rail. |
| 5 (SHDN) | Shutdown control | Active-low enable: pull to VCC− to disable (50 nA ICC); pull to VCC+ to enable; must not float. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 100 mV of VCC+ and VCC− under 10 kΩ load - maximizes usable ADC input range in 3.3 V systems. |
| Automotive qualification | AEC-Q100 Grade 0 (−40 °C to +125 °C) - validated for engine control, battery monitoring, and ADAS sensor signal chains. |
| Low input offset drift | 1 µV/°C max over −40 °C to +125 °C - maintains calibration integrity in temperature-variable environments without recalibration. |
| High ESD tolerance | 4 kV HBM (non-SHDN pins), 3.5 kV HBM (SHDN pin) - withstands handling and board-level ESD events in manufacturing and field deployment. |
| Fast turn-on/turn-off | 300 ns turn-on, 20 ns turn-off - enables precise timing control in burst-mode signal acquisition and power-gated analog front-ends. |
Applications
| Automotive Cabin Sensor Interface | Portable ECG Front-End |
|---|---|
Use Scenario: Amplifying low-level thermistor and humidity sensor outputs in HVAC control modules mounted near vehicle cabin air ducts. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with rail-to-rail output driving 12-bit SAR ADC; shutdown activated during vehicle sleep mode. Use Value: 0.8 mV offset and 1 µV/°C drift ensure <±1.5 °C temperature accuracy across full automotive temperature range without software correction. | Use Scenario: Biopotential amplification in handheld ECG devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with 180 µA quiescent current and shutdown for ultra-low-power intermittent monitoring. Use Value: 50 nA shutdown current extends battery life to >1 year in devices sampling 1 minute per hour, while rail-to-rail output fully utilizes 3 V ADC range. |
| Industrial Pressure Transducer Signal Chain | Smart Battery Fuel Gauge Reference Buffer |
Use Scenario: Conditioning millivolt-level bridge outputs from MEMS pressure sensors in factory automation controllers. IC Role / Device Role / Timing Role: Low-noise, low-drift buffer and gain stage operating from 3.3 V supply; immune to ESD events on long sensor cables. Use Value: 4 kV HBM ESD rating and 75 dB CMRR prevent noise injection and measurement corruption in electrically noisy plant-floor environments. | Use Scenario: Buffering reference voltage for coulomb counter ICs in lithium-polymer battery packs used in drones and power tools. IC Role / Device Role / Timing Role: High-accuracy, low-drift voltage follower isolating reference from load variations; enabled only during fuel gauge calculations. Use Value: 0.8 mV max offset contributes <0.5% full-scale error to 50 mV reference, ensuring ±1% state-of-charge accuracy over battery lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSV851ICT | No shutdown pin; SC70-5 package; identical DC/AC specs except ICC = 180 µA (no shutdown mode). | Suitable where continuous operation is required and power gating is handled externally. | Select when system-level power sequencing eliminates need for per-amplifier shutdown control. |
| LMV321IDBVR | Higher 180 µA ICC, wider 2.7–5.5 V supply, but 3.5 mV Vio max and no automotive qualification. | Cost-optimized consumer-grade alternative lacking extended temperature and ESD robustness. | Choose only for non-automotive, room-temperature applications where offset and qualification are secondary. |
Compared with TSV851ICT, the TSV851IYLT adds shutdown capability at identical size and precision; versus LMV321IDBVR, it provides superior offset, drift, temperature range, and automotive compliance - making it the sole choice for safety-critical or thermally demanding deployments.
Availability
TSV851IYLT is available at Aetrix Electronics and suitable for automotive signal conditioning, portable medical instrumentation, and industrial sensor interface designs requiring stable component supply across extended temperature and lifecycle requirements.
Supply support for TSV851IYLT 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 silicon solutions for automotive, industrial, and smart mobility markets since 1987.
The TSV85x series belongs to ST's precision analog portfolio, engineered specifically for low-power, high-accuracy signal conditioning in harsh-environment applications - emphasizing rail-to-rail operation, automotive qualification, and miniaturized packaging.
FAQ
What is the maximum capacitive load the TSV851IYLT can drive while remaining stable?
The TSV851IYLT maintains ≥60° phase margin with up to 200 pF capacitive load when driving a 10 kΩ resistive load, as verified in Figure 9 of the datasheet. For loads >200 pF, external isolation resistor (≥100 Ω) between amplifier output and capacitor is required to preserve stability in active filter or ADC driver configurations.
Can the SHDN pin be left unconnected if shutdown functionality is not needed?
No - the SHDN pin must never be left floating. When shutdown is unused, it must be hard-wired to VCC+ (logic high) to ensure normal operation. Floating SHDN may cause unpredictable output behavior or increased current consumption due to undefined logic state at the internal gate input.
Does the TSV851IYLT support true rail-to-rail input?
No - the TSV851IYLT features rail-to-rail *output* but has an input common-mode range extending from VCC− − 0.2 V to VCC+ − 1 V. It does not accept inputs at the positive rail (VCC+), limiting use in certain single-supply follower configurations where Vin = VCC+ is required.
How does the 1.3 MHz GBP impact small-signal bandwidth in a gain-of-10 configuration?
In a non-inverting gain-of-10 configuration, the small-signal −3 dB bandwidth is approximately 130 kHz (GBP ÷ closed-loop gain), assuming dominant-pole compensation and negligible parasitic capacitance. This is confirmed by Figure 12 showing stable closed-loop response up to 100 kHz with 100–500 pF loads.
TSV851IYLT 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:
- 4 mV
- 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
TSV851IYLT FAQ
1.How can I place an order for TSV851IYLT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSV851IYLT 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 TSV851IYLT reliable?
The price and inventory of TSV851IYLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV851IYLT is usually 5 days.
3.What payment methods are accepted for TSV851IYLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV851IYLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSV851IYLT?
TSV851IYLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSV851IYLT 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 TSV851IYLT?
For technical support, including TSV851IYLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV851IYLT requirements.
6.How does Aetrix verify that TSV851IYLT is sourced from the original manufacturer or authorized distributors?
All TSV851IYLT 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 TSV851IYLT meets industry standards.
7.What is the process for return or replacement of TSV851IYLT?
All TSV851IYLT units undergo pre-shipment inspection (PSI). If there is an issue with TSV851IYLT, 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 TSV851IYLT part is unused and in its original packaging.
Return procedure for TSV851IYLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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