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STMicroelectronics TSV912AID
- Part No.:
- TSV912AID
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSV912AID.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,430
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Product details
Overview
TSV912AID from STMicroelectronics is a dual rail-to-rail input/output operational amplifier optimized for low-voltage, low-power applications. It delivers 8 MHz gain-bandwidth, 4.5 V/µs slew rate, and 1.5 mV max input offset voltage (A grade), operating from 2.5 V to 5.5 V with only 820 µA typical supply current per channel. It is used in precision sensor interfaces and battery-powered medical instrumentation.
For engineers reviewing the TSV912AID datasheet, TSV912AID pinout, TSV912AID application, or TSV912AID equivalent, key selection criteria include its rail-to-rail I/O capability, ultra-low 1 pA input bias current, unity-gain stability, 35 mA output drive, and guaranteed performance across –40 °C to 125 °C.
Technical Context
The TSV912AID implements a CMOS input stage enabling 1 pA typical input bias current and rail-to-rail common-mode input range (VCC– – 0.1 V to VCC+ + 0.1 V). Its internal compensation ensures unity-gain stability while delivering 8 MHz GBP and 45° phase margin with 100 pF capacitive load.
It supports dual-channel operation in TSSOP-14 package with independent input/output pairs, each featuring high open-loop gain (>80 dB), 75–82 dB CMRR at 5 V, and 86 dB SVRR - enabling accurate DC-coupled signal conditioning in single-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 8 MHz - enables stable closed-loop operation up to ~1 MHz at gain ≥ 8, suitable for active filters and sensor amplification. |
| Supply voltage range | 2.5 V to 5.5 V - compatible with Li-ion, 3.3 V, and 5 V logic rails without level-shifting. |
| Input offset voltage (max) | 1.5 mV (A grade, 25 °C) - ensures ≤ 1.5 mV DC error in precision transducer interfaces. |
| Input bias current (typ) | 1 pA - minimizes voltage error across high-impedance sources like pH electrodes or photodiode feedback networks. |
| Slew rate | 4.5 V/µs - supports clean 1 kHz sine wave output at >3 Vpp into 2 kΩ load without distortion. |
| Output current (source/sink) | 35 mA / 32 mA - drives 600 Ω loads directly, eliminating need for external buffer stages. |
| Operating temperature | –40 °C to 125 °C - qualified for automotive cabin and industrial control environments. |
Pinout & Package
The TSV912AID is housed in a 14-lead TSSOP package (JEDEC MO-153, 5.0 mm × 6.4 mm × 1.05 mm height) with exposed pad not internally connected - may be tied to VCC– or left floating for thermal or grounding flexibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Channel 1 output | Delivers rail-to-rail swing; capable of sourcing 35 mA or sinking 32 mA into resistive loads. |
| 2 (IN1–) | Channel 1 inverting input | High-impedance node (1 pA bias); accepts signals down to VCC– – 0.1 V and up to VCC+ + 0.1 V. |
| 3 (IN1+) | Channel 1 non-inverting input | Matches IN1– in bias current and offset; used for differential sensing or unity-gain buffer configuration. |
| 4 (VCC+) | Positive supply rail | Accepts 2.5–5.5 V; requires local 10 nF decoupling to minimize PSRR degradation and oscillation risk. |
| 5 (VCC–) | Negative supply rail | Typically ground in single-supply use; sets lower common-mode limit and output swing floor. |
| 6 (OUT2) | Channel 2 output | Independent output with identical AC/DC specs as OUT1; enables dual-path signal processing. |
| 7 (IN2–) | Channel 2 inverting input | Electrically isolated from Channel 1; supports separate feedback networks without crosstalk. |
| 8 (IN2+) | Channel 2 non-inverting input | Enables simultaneous dual instrumentation amplifier front-ends or dual active filter stages. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Extends dynamic range to full supply rails - preserves >99% of ADC input range in 3.3 V data acquisition systems. |
| Ultra-low input bias current | 1 pA typ. - reduces leakage-induced offset in high-Z sensor circuits (e.g., piezoelectric accelerometers). |
| Unity-gain stable architecture | No external compensation required - simplifies layout and reduces BOM count for gain = 1 to ≥10 configurations. |
| Low power consumption | 820 µA/ch typ. at 5 V - enables dual-opamp functionality in coin-cell-powered portable ECG monitors. |
| High ESD immunity | ≥5 kV HBM - protects against handling damage during PCB assembly and field service in handheld devices. |
Applications
| Medical Sensor Interface | Battery-Powered Data Logger |
|---|---|
|
Use Scenario: Amplifying microvolt-level EEG signals from dry-contact scalp electrodes in a wearable neuro-monitor. IC Role / Device Role / Timing Role: Dual-channel instrumentation front-end: one op-amp configures as precision non-inverting amplifier (G = 100), the other as active low-pass filter (fc = 100 Hz). Use Value: Rail-to-rail I/O captures full electrode swing; 1.5 mV max Vio avoids baseline drift; 1 pA Iib prevents electrode polarization errors. |
Use Scenario: Signal conditioning for thermistor and humidity sensor outputs in a solar-charged environmental node. IC Role / Device Role / Timing Role: Dual analog front-end: one channel buffers ratiometric bridge output, the other drives ADC reference buffer with low noise. Use Value: 820 µA/ch current draw extends 200 mAh battery life beyond 12 months; 2.5 V min supply enables operation down to end-of-life cell voltage. |
| Automotive Cabin Pressure Monitor | Portable Ultrasound Front-End |
|
Use Scenario: Conditioning output of MEMS barometric pressure sensor in HVAC control module. IC Role / Device Role / Timing Role: Dual-stage signal chain: first op-amp performs offset correction and gain, second provides anti-aliasing filtering before 12-bit SAR ADC. Use Value: –40 °C to 125 °C rating ensures reliability in under-dash mounting; 8 MHz GBP supports fast step response to rapid cabin pressure changes. |
Use Scenario: Low-noise preamplification of piezoelectric transducer echoes in handheld ultrasound probe. IC Role / Device Role / Timing Role: First gain stage in receive path: configured as transimpedance amplifier with 10 MΩ feedback for wideband echo capture. Use Value: 21 nV/√Hz input noise at 10 kHz preserves weak echo SNR; rail-to-rail output drives ADC driver stage without clipping. |
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 |
|---|---|---|---|
| TSV912IST | Same silicon, MiniSO8 package (3.0 × 4.9 mm); higher RthJA (190 °C/W vs. 100 °C/W). | Preferred for space-constrained PCBs where thermal budget allows; lacks exposed pad for heatsinking. | Select when footprint size is critical and ambient temperature remains <85 °C. |
| TSV992AIDT | Higher speed: 20 MHz GBP, 10 V/µs SR; 1.4 mA/ch supply current; same A-grade Vio (1.5 mV max). | Used where faster settling or wider bandwidth is required - e.g., multi-pole active filters or higher-frequency sensor sampling. | Choose when system bandwidth exceeds 1 MHz or slew-limited distortion must be minimized at >10 kHz. |
Compared with TSV912IST, the TSV912AID offers superior thermal performance in TSSOP-14 and better high-temperature stability; versus TSV992AIDT, it trades bandwidth for 40% lower quiescent current - making it optimal for always-on, battery-sensitive designs.
Availability
TSV912AID is available at Aetrix Electronics and suitable for medical instrumentation, automotive cabin sensors, and portable data loggers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TSV912AID 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 microcontrollers, analog ICs, power management, and MEMS sensors for industrial, automotive, and consumer markets.
The TSV91x series belongs to ST's precision low-power op amp product line, engineered specifically for single-supply, rail-to-rail signal conditioning in battery-operated and space-constrained systems where accuracy, power efficiency, and robustness are critical.
FAQ
What is the maximum capacitive load the TSV912AID can drive without external compensation?
The TSV912AID is stable driving up to 100 pF capacitive load in unity-gain follower configuration, as verified by phase margin ≥45° at 5 V supply. For loads exceeding 100 pF, ST recommends adding a small series resistor (e.g., 10–100 Ω) between the output and load capacitance to restore stability - confirmed in Figure 17 of DS4899 Rev 13.
Does the exposed pad on the TSSOP-14 package require electrical connection?
No - the exposed pad on the TSV912AID's TSSOP-14 package is not internally connected. Per ST's datasheet note, it may be left floating or soldered to VCC– (ground in single-supply use) solely for improved thermal dissipation; no electrical function is assigned to it.
How does the TSV912AID's input offset voltage drift behave over temperature?
The TSV912AID exhibits a guaranteed ∆Vio/∆T of 5 µV/°C maximum (A grade), meaning total offset variation from –40 °C to 125 °C is ≤0.825 mV - calculated as 165 °C × 5 µV/°C. This low drift supports stable DC gain in closed-loop sensor amplifiers across automotive and industrial environments.
Can the TSV912AID operate with a 2.3 V supply?
No - the absolute minimum supply voltage is 2.5 V, as specified in Table 2 (Operating Conditions). While Table 2 notes "2.3 to 5.5 V" for 0 °C < Top < 125 °C, this applies only to the standard TSV912 (non-A) grade; the TSV912AID (A grade) is explicitly rated for 2.5 V to 5.5 V across the full –40 °C to 125 °C range per DS4899 Rev 13, page 4.
TSV912AID 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:
- 1.5 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:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TSV912AID FAQ
1.How can I place an order for TSV912AID through Aetrix?
Please submit a Request for Quotation (RFQ) for TSV912AID 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 TSV912AID reliable?
The price and inventory of TSV912AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSV912AID is usually 5 days.
3.What payment methods are accepted for TSV912AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSV912AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSV912AID?
TSV912AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSV912AID 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 TSV912AID?
For technical support, including TSV912AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSV912AID requirements.
6.How does Aetrix verify that TSV912AID is sourced from the original manufacturer or authorized distributors?
All TSV912AID 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 TSV912AID meets industry standards.
7.What is the process for return or replacement of TSV912AID?
All TSV912AID units undergo pre-shipment inspection (PSI). If there is an issue with TSV912AID, 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 TSV912AID part is unused and in its original packaging.
Return procedure for TSV912AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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