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STMicroelectronics TSB711AILT
- Part No.:
- TSB711AILT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TSB711AILT.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:4,394
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Product details
Overview
TSB711AILT from STMicroelectronics is a precision rail-to-rail input/output operational amplifier optimized for high-side and low-side current sensing, Hall effect sensor signal conditioning, and industrial data acquisition. It delivers 6 MHz gain bandwidth, 3 V/µs slew rate, ±300 µV max input offset voltage at 25 °C, and operates from 2.7 V to 36 V single supply - enabling accurate amplification in motor control feedback loops and 24 V industrial sensor interfaces.
For engineers reviewing the TSB711AILT datasheet, TSB711AILT pinout, TSB711AILT application, or TSB711AILT equivalent, key selection criteria include its guaranteed rail-to-rail I/O performance across -40 °C to +125 °C, integrated EMI filter for noisy environments, 12 nV/√Hz input voltage noise at 10 kHz, and SOT23-5 package compatibility with space-constrained PCB layouts.
Technical Context
The TSB711AILT employs a complementary NPN/PNP rail-to-rail input stage, supporting common-mode input range from VCC− to (VCC+) + 0.1 V while maintaining optimal CMRR (>115 dB) and low offset drift (2.8 µV/°C) over −40 °C to +125 °C. Its architecture avoids phase reversal across the full absolute maximum input range.
It features internal ESD protection diodes on inputs (2 kV HBM), a dedicated EMI filter to suppress RF rectification effects, and stable unity-gain operation with ≥45° phase margin driving up to 100 pF capacitive loads - critical for robustness in motor drive and industrial analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6 MHz - enables stable closed-loop operation up to ~500 kHz in G = 10 configurations for fast current-sense loop response. |
| Slew Rate | 3 V/µs - supports <1 µs settling for 3 V step signals, essential for accurate pulse-width modulated (PWM) current monitoring. |
| Input Offset Voltage (max) | ±300 µV at 25 °C - ensures ≤0.012% error in 25 mV shunt-based current sensing at room temperature. |
| Supply Voltage Range | 2.7 V to 36 V single supply - interoperable with 3.3 V microcontrollers and 24 V industrial buses without level-shifting. |
| Input Voltage Noise | 12 nV/√Hz at 10 kHz - minimizes contribution to total system noise in 10–100 kHz bandwidth applications like motor phase current reconstruction. |
| EMI Rejection | Integrated EMI filter - suppresses RF-induced offset shifts from 100 MHz–1 GHz noise common in switch-mode power supplies and inverters. |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive and factory-floor industrial environments without derating. |
Pinout & Package
SOT23-5 surface-mount package (2.9 mm × 1.6 mm, 0.95 mm height), thermally enhanced for 250 °C/W junction-to-ambient resistance - suitable for high-density PCBs with limited airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 OUT | Amplifier output | Delivers rail-to-rail swing; capable of sourcing/sinking 15 mA while maintaining <1 V drop from rails at full load. |
| 2 VCC− | Negative supply terminal | Reference node for dual-supply operation; tied to ground in single-supply configurations. |
| 3 IN+ | Non-inverting input | High-impedance node (IIB ≤ 300 nA); accepts common-mode voltages up to VCC+ + 0.1 V. |
| 4 IN− | Inverting input | Used for feedback configuration; differential input voltage limited to ±2 V to avoid ESD diode conduction. |
| 5 VCC+ | Positive supply terminal | Accepts up to +40 V absolute max; powers internal biasing and output stage for 36 V operation. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in low-voltage (2.7 V) and high-voltage (36 V) systems without clipping near supply rails. |
| Low input offset voltage drift | 2.8 µV/°C - limits temperature-induced gain error to <0.3 mV over 100 °C ambient shift, critical for uncalibrated industrial sensors. |
| Integrated EMI filter | Reduces RF-induced offset shift by >20 dB vs. non-filtered op-amps at 900 MHz - eliminates need for external RC filtering in noisy motor drives. |
| 2 kV HBM ESD tolerance | Meets IEC 61000-4-2 Level 4 for system-level ESD immunity - protects against handling and board-level transients without external TVS. |
| Wide supply range (2.7–36 V) | Supports direct connection to 12 V/24 V industrial buses and 3.3 V logic domains - reduces BOM count by eliminating LDOs in mixed-supply designs. |
Applications
| High-Side Current Sensing | Hall Effect Sensor Interface |
|---|---|
|
Use Scenario: Monitoring battery pack charge/discharge current in EV DC-DC converters using a 5 mΩ shunt placed between battery positive and load. IC Role / Device Role / Timing Role: Precision difference amplifier with gain = 100, rejecting common-mode voltage up to 400 V via isolated amplifier topology. Use Value: ±300 µV offset ensures <±15 mA absolute current measurement error at 25 °C - enabling SOC estimation within ±0.5% accuracy. |
Use Scenario: Amplifying millivolt-level output from linear Hall sensors in servo motor position feedback loops. IC Role / Device Role / Timing Role: Low-noise, rail-to-rail buffer stage conditioning analog field strength signal before ADC sampling at 100 kSPS. Use Value: 12 nV/√Hz noise floor preserves signal integrity down to 1 mVpp Hall output, enabling sub-degree angular resolution. |
| Data Acquisition Front-End | Motor Control Loop Amplifier |
|
Use Scenario: Signal conditioning for 4–20 mA industrial transmitters feeding PLC analog input modules. IC Role / Device Role / Timing Role: Precision I-V converter and level shifter, translating current loop to 0–5 V range referenced to system ground. Use Value: 6 MHz bandwidth supports >10 kHz step response for fast process variable detection (e.g., pressure spike in hydraulic systems). |
Use Scenario: Closed-loop phase current amplification in three-phase inverter gate drivers for PMSM motor control. IC Role / Device Role / Timing Role: High-speed current sense amplifier feeding ADC in real-time FOC (field-oriented control) algorithm execution. Use Value: 3 V/µs slew rate ensures <330 ns propagation delay for 1 V step - meeting <1 µs timing budget for 100 kHz PWM switching cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB711ILT | Higher max input offset voltage (±800 µV at 25 °C) and wider drift (4 µV/°C at 5 V supply) | Less suitable for high-accuracy current sensing below 100 mA; acceptable for cost-sensitive industrial controls | Select TSB711ILT only when offset-critical calibration is performed at system level or ambient temperature is tightly controlled. |
| TSB511ILT | Lower bandwidth (2.5 MHz), lower slew rate (1.3 V/µs), same 36 V supply but no integrated EMI filter | Not recommended for PWM-rich motor control; better suited for low-frequency sensor buffering (e.g., RTD, thermocouple) | Choose TSB511ILT for ultra-low-power (<1 mA ICC) applications where bandwidth <3 MHz suffices and EMI environment is benign. |
Compared with TSB711AILT, TSB711ILT trades precision for cost in stable-temperature settings, while TSB511ILT prioritizes power efficiency over speed and EMI resilience - making TSB711AILT the sole choice for automotive-grade current sensing and industrial real-time control where offset, noise, and RF immunity are co-critical.
Availability
TSB711AILT is available at Aetrix Electronics and suitable for high-side current sensing, Hall effect sensor interfaces, and industrial data acquisition requiring stable component supply across automotive and industrial temperature ranges.
Supply support for TSB711AILT 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, specializing in automotive, industrial, and power management ICs with vertical manufacturing and AEC-Q100 qualification capabilities.
The TSB711AILT belongs to ST's precision 36 V op amp product line, engineered specifically for high-reliability current sensing and sensor signal conditioning in harsh electromagnetic and thermal environments.
FAQ
What is the maximum capacitive load the TSB711AILT can drive stably?
The TSB711AILT maintains ≥45° phase margin driving up to 100 pF capacitive load at unity gain with 36 V supply, per Figure 25 and 26 in DS12487 Rev 7. For loads >100 pF, external isolation resistor (≥10 Ω) is required between output and capacitance to prevent peaking or oscillation.
Does the TSB711AILT support dual-supply operation?
Yes - it operates from ±1.35 V to ±18 V dual supplies, with full rail-to-rail input/output swing and specified performance across −40 °C to +125 °C. Pin 2 (VCC−) serves as the negative rail, and Pin 5 (VCC+) as the positive rail; no external level shifters needed.
How does the integrated EMI filter function in practice?
The internal EMI filter attenuates RF energy (100 MHz–1 GHz) before it reaches the input differential pair, preventing rectification-induced offset shifts. Measured EMIRR exceeds 80 dB at 900 MHz - eliminating need for external 100 Ω + 1 nF RC filters commonly used with legacy op amps in inverter applications.
Is the TSB711AILT pin-compatible with other ST 36 V op amps?
No - the TSB711AILT uses SOT23-5 packaging with unique pinout (OUT/VCC−/IN+/IN−/VCC+). TSB712 variants use MiniSO8/SO8 (8-pin), and TSB511 uses SO8 but with different pin mapping. Direct replacement requires PCB layout revision; no drop-in compatibility exists across ST's 36 V op amp families.
TSB711AILT 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:
- 3V/µs
- Gain Bandwidth Product:
- 6 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 300 nA
- Voltage - Input Offset:
- 650 µV
- Current - Supply:
- 1.8mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TSB711AILT FAQ
1.How can I place an order for TSB711AILT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB711AILT 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 TSB711AILT reliable?
The price and inventory of TSB711AILT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB711AILT is usually 5 days.
3.What payment methods are accepted for TSB711AILT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB711AILT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB711AILT?
TSB711AILT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB711AILT 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 TSB711AILT?
For technical support, including TSB711AILT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB711AILT requirements.
6.How does Aetrix verify that TSB711AILT is sourced from the original manufacturer or authorized distributors?
All TSB711AILT 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 TSB711AILT meets industry standards.
7.What is the process for return or replacement of TSB711AILT?
All TSB711AILT units undergo pre-shipment inspection (PSI). If there is an issue with TSB711AILT, 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 TSB711AILT part is unused and in its original packaging.
Return procedure for TSB711AILT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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