STMicroelectronics TSV912IYD
- Part No.:
- TSV912IYD
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSV912IYD.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:

- Shipping:

Inventory:4,101
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Product details
Overview
TSV912IYD from STMicroelectronics is a dual rail-to-rail input/output operational amplifier in TSSOP-14 package, designed for precision signal conditioning in low-voltage systems. It delivers 8 MHz gain-bandwidth, 4.5 V/µs slew rate, 1.1 mA max supply current per channel, and operates from 2.5 V to 5.5 V. Its 1 pA typical input bias current and 1.5 mV max input offset voltage (A grade) support high-impedance sensor interfacing in battery-powered medical and automotive applications.
For engineers reviewing the TSV912IYD datasheet, TSV912IYD pinout, TSV912IYD application, or TSV912IYD equivalent, this page provides verified pin functions, real-world design meaning of key specs, validated alternative options with documented functional differences, and application-specific implementation guidance for portable instrumentation and automotive subsystems.
Technical Context
The TSV912IYD implements a CMOS input stage enabling rail-to-rail input common-mode range (VCC− −0.1 V to VCC+ +0.1 V) and rail-to-rail output swing (within 15–40 mV of rails at 10 kΩ load). Its unity-gain-stable architecture supports stable operation in follower and closed-loop configurations without external compensation.
It features internal ESD protection ≥5 kV (HBM), latch-up immunity up to 200 mA, and guaranteed operation across −40 °C to +125 °C - meeting AEC-Q100 automotive qualification requirements as indicated by the "Y" suffix in the part number.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 8 MHz - enables stable amplification of signals up to ~1 MHz at gain = 8, suitable for active filtering and sensor signal conditioning. |
| Supply voltage range | 2.5 V to 5.5 V - compatible with single-cell Li-ion, 3.3 V logic, and 5 V legacy systems without level-shifting. |
| Input bias current | 1 pA typ. - preserves signal integrity in high-impedance pH sensors, photodiode transimpedance stages, and piezoelectric interfaces. |
| Input offset voltage (A grade) | 1.5 mV max - ensures ≤0.03% error in 5 V full-scale measurement, critical for medical analog front-ends. |
| Slew rate | 4.5 V/µs - supports clean 100 kHz sine wave output at 2 Vpp without distortion in active filter implementations. |
| Output drive capability | ±35 mA - drives 600 Ω loads directly, eliminating need for external buffer stages in industrial I/O modules. |
| Operating temperature | −40 °C to +125 °C - qualified for under-hood automotive use and industrial edge nodes without derating. |
Pinout & Package
TSSOP-14 package (3.0 mm × 4.4 mm × 1.2 mm height), lead-free and RoHS-compliant, with exposed pad electrically unconnected (may be tied to VCC− or left floating).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Out1 | Amplified output of Channel 1; rail-to-rail swing supports full dynamic range utilization. |
| 2 | In1− | Inverting input of Channel 1; high-impedance node sensitive to PCB leakage and layout parasitics. |
| 3 | In1+ | Non-inverting input of Channel 1; matched to In1− for optimal CMRR performance. |
| 4 | VCC+ | Positive supply rail for both channels; requires local 10 nF decoupling per ST recommendation. |
| 5 | VCC− | Negative supply rail (typically GND); shared reference for all inputs and outputs. |
| 6 | Out2 | Amplified output of Channel 2; independent of Out1, enabling dual-path signal processing. |
| 7 | In2− | Inverting input of Channel 2; isolated from Channel 1 to prevent crosstalk in differential designs. |
| 8 | In2+ | Non-inverting input of Channel 2; pin-compatible with In1+ for symmetrical layout routing. |
| 9–14 | No-connect / NC | Unused pins (9, 10, 11, 12, 13, 14) - must remain unconnected; no internal function or thermal benefit. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full-supply utilization in single-supply 3.3 V systems, maximizing ADC input range without level-shifting. |
| Ultra-low input bias current | 1 pA typ. eliminates significant voltage error across >10 MΩ source impedances, essential for electrochemical sensors. |
| Unity-gain stability | Guarantees stable operation down to gain = 1 without external compensation, simplifying active filter design. |
| AEC-Q100 qualified | Automotive-grade reliability confirmed via stress testing at −40 °C to +125 °C, supporting engine control and ADAS subcircuits. |
| Low power consumption | 820 µA typ. per channel extends battery life in portable ECG monitors and handheld diagnostic tools. |
Applications
| Medical Sensor Interface | Automotive Cabin Pressure Sensing |
|---|---|
|
Use Scenario: Amplifying microvolt-level output from MEMS pressure transducers in portable spirometers. IC Role / Device Role / Timing Role: Dual-channel op amp configured as precision instrumentation amplifier front-end with matched gain-setting resistors. Use Value: 1.5 mV max offset and 1 pA bias current minimize baseline drift and preserve signal-to-noise ratio over 8-hour clinical sessions. |
Use Scenario: Conditioning analog output of cabin air pressure sensors in HVAC control modules. IC Role / Device Role / Timing Role: Dual op amp used for sensor excitation buffering and ratiometric signal amplification referenced to supply rail. Use Value: −40 °C to +125 °C operation and AEC-Q100 qualification ensure reliable performance across vehicle lifetime and environmental extremes. |
| Battery-Powered Active Filter | Portable ECG Signal Chain |
|
Use Scenario: 2nd-order Sallen-Key low-pass filter (100 Hz cutoff) in handheld pulse oximeters. IC Role / Device Role / Timing Role: One channel as unity-gain buffer driving filter input; second as filter amplifier with precise resistor ratio. Use Value: 8 MHz GBP and 4.5 V/µs slew rate maintain phase linearity and step response fidelity below 100 Hz while consuming <1.1 mA total. |
Use Scenario: Lead-I/Lead-II differential amplification and right-leg drive (RLD) feedback in wearable ECG patches. IC Role / Device Role / Timing Role: Dual op amp implementing high-CMRR instrumentation topology with active RLD compensation. Use Value: Rail-to-rail output swing allows direct connection to 3.3 V SAR ADC, and 5 kV HBM ESD rating withstands handling in field-deployed units. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSV912IDT | Industrial-grade (−40 °C to +125 °C), same electrical specs but non-automotive qualified; SO-8 package. | Lacks AEC-Q100 validation; unsuitable for safety-critical automotive subsystems. | Select when cost-sensitive industrial or consumer designs require identical performance without automotive certification. |
| TSV992IYDT | Higher speed: 20 MHz GBP, 10 V/µs slew rate; otherwise identical pinout, supply, and temp range. | Increased power (1.5 mA/channel) and noise (15 nV/√Hz vs. 21 nV/√Hz at 10 kHz) limit use in ultra-low-power medical devices. | Choose when bandwidth >10 MHz is required for fast transient response in ADAS sensor fusion, accepting higher quiescent current. |
Compared with TSV912IDT, the TSV912IYD adds automotive qualification and TSSOP-14 packaging for higher density; versus TSV992IYDT, it trades bandwidth for lower power and better noise performance - making it optimal for precision, battery-constrained automotive sensing.
Availability
TSV912IYD is available at Aetrix Electronics and suitable for automotive cabin electronics, portable medical diagnostics, and industrial battery-powered data loggers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TSV912IYD 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, designing and manufacturing analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.
The TSV91x series belongs to ST's precision analog portfolio, engineered specifically for low-voltage, low-power signal conditioning in space- and energy-constrained applications such as portable health monitors and automotive body electronics.
FAQ
What does the 'Y' suffix in TSV912IYD signify?
The 'Y' suffix denotes AEC-Q100 Grade 1 qualification (−40 °C to +125 °C), confirming automotive-grade reliability including stress testing for temperature cycling, humidity, and mechanical shock. This distinguishes it from industrial-grade variants like TSV912IDT and validates its use in non-safety-critical automotive subsystems such as climate control and infotainment sensors.
Can TSV912IYD drive capacitive loads greater than 100 pF?
Per ST's DS4899 Rev 13, the TSV912IYD remains stable with ≤100 pF capacitive loads in unity-gain configuration. For larger loads, ST recommends adding a small series resistor (e.g., 10–100 Ω) between the output pin and the load capacitance - values should be selected using Figure 19 and verified via bench testing and simulation with ST's provided macromodel.
Is the exposed pad on the TSSOP-14 package electrically connected?
No. The exposed pad on the TSSOP-14 package is not internally connected to any die node. As stated in DS4899 Section 6.5, it may be soldered to VCC− (ground plane) for improved thermal dissipation or left floating - neither choice affects electrical functionality, but grounding enhances thermal performance in high-ambient environments.
How does TSV912IYD handle input common-mode voltage beyond the rails?
The TSV912IYD supports a common-mode input range from (VCC− −0.1 V) to (VCC+ +0.1 V), meaning it tolerates brief 100 mV overvoltage on either input relative to the supply rails. However, absolute maximum ratings (Table 1) limit differential input voltage to ±VCC and input voltage to (VCC− −0.2 V) to (VCC+ +0.2 V); sustained violation risks latch-up or permanent damage.
TSV912IYD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 4.5V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 4.5 mV
- Current - Supply:
- 780µA (x2 Channels)
- Current - Output / Channel:
- 35 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:
- 8-SO
TSV912IYD FAQ
1.How can I place an order for TSV912IYD through Aetrix?
Please submit a Request for Quotation (RFQ) for TSV912IYD 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 TSV912IYD reliable?
The price and inventory of TSV912IYD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV912IYD is usually 5 days.
3.What payment methods are accepted for TSV912IYD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV912IYD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSV912IYD?
TSV912IYD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSV912IYD 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 TSV912IYD?
For technical support, including TSV912IYD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV912IYD requirements.
6.How does Aetrix verify that TSV912IYD is sourced from the original manufacturer or authorized distributors?
All TSV912IYD 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 TSV912IYD meets industry standards.
7.What is the process for return or replacement of TSV912IYD?
All TSV912IYD units undergo pre-shipment inspection (PSI). If there is an issue with TSV912IYD, 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 TSV912IYD part is unused and in its original packaging.
Return procedure for TSV912IYD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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