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STMicroelectronics TSB511ILT
- Part No.:
- TSB511ILT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TSB511ILT.pdf
- Description:
- RAIL-TO-RAIL INPUTS AND OUTPUTS,
- Quantity:
- Payment:
- Shipping:
Inventory:3,108
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Product details
Overview
TSB511ILT from STMicroelectronics is a single-channel rail-to-rail input/output operational amplifier optimized for high-side and low-side current sensing, Hall effect sensor signal conditioning, and motor control feedback loops. It delivers 6 MHz gain bandwidth, 3 V/µs slew rate, 1.5 mV max input offset voltage, and operates from 2.7 V to 36 V single supply - enabling precision amplification in industrial process control and test equipment.
For engineers reviewing the TSB511ILT datasheet, TSB511ILT pinout, TSB511ILT application, or TSB511ILT equivalent, this device supports design validation for wide-supply, low-noise (12 nV/√Hz), EMI-hardened analog front-ends requiring stable DC accuracy across -40 °C to +125 °C and 2 kV HBM ESD tolerance.
Technical Context
The TSB511ILT implements a bipolar-input op-amp architecture with rail-to-rail input common-mode range (VCC− to VCC+ + 0.1 V) and rail-to-rail output swing (within 90 mV of rails at 2 mA load). Its 6 MHz GBP and 3 V/µs slew rate support closed-loop stability in unity-gain and G = +10 configurations with ≥34° phase margin into 100 pF capacitive loads.
It features integrated EMI filtering, 100 dB PSRR at DC rising to 125 dB at 10 V supply, and CMRR up to 120 dB - enabling robust operation in noisy industrial environments where supply ripple and RF interference degrade sensor signal integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6 MHz - enables stable unity-gain buffer or G = +10 amplifier designs up to ~600 kHz without peaking. |
| Slew Rate | 3 V/µs - supports 10 Vpp output at 50 kHz without slew-induced distortion in motor control feedback paths. |
| Input Offset Voltage | ±1.5 mV max - ensures ≤15 µV error in 10 mΩ shunt-based current sensing at 10 A full scale (100 mV input). |
| Supply Voltage Range | 2.7 V to 36 V single supply - eliminates need for dual supplies in 24 V industrial systems and battery-powered test gear. |
| Input Voltage Noise | 12 nV/√Hz @ 10 kHz - preserves SNR in low-level Hall sensor outputs (<10 mV) without requiring additional filtering. |
| ESD Tolerance | 2 kV HBM - meets IEC 61000-4-2 Level 2 requirements for industrial board-level ESD immunity. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive and factory-floor embedded controllers without derating. |
Pinout & Package
SOT23-5 package: 5-pin ultra-small outline transistor package with 0.95 mm pitch, 2.9 mm × 2.8 mm footprint, and 1.45 mm height - suitable for space-constrained PCB layouts in motor driver modules and compact sensor nodes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 OUT1 | Amplifier output | Drives resistive loads up to 50 mA sink/source; rail-to-rail swing enables full utilization of ADC input range. |
| 2 VCC− | Negative supply terminal | Accepts ground or negative rail; common reference for all inputs and output in single- or dual-supply configurations. |
| 3 IN+ | Non-inverting input | High-impedance node (IIB ≤ 100 nA); accepts signals from shunt resistors or Hall sensors without loading. |
| 4 IN− | Inverting input | Used for feedback network connection; matched input bias currents minimize offset in differential configurations. |
| 5 VCC+ | Positive supply terminal | Supports up to +36 V; internal protection limits ICC to 3 mA over full temperature range. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Input common-mode extends to VCC− and VCC+ + 0.1 V; output swings within 90 mV of either rail at 2 mA - maximizes dynamic range in 3.3 V or 24 V systems. |
| EMI Filter Integration | On-die RC filter suppresses >100 MHz RF interference - eliminates external ferrite beads in automotive and industrial EMC-critical designs. |
| Low Input Noise | 12 nV/√Hz at 10 kHz and 0.5 µVpp (0.1–10 Hz) - enables direct amplification of microvolt-level strain gauge or thermopile outputs. |
| Wide Supply Range | Operates from 2.7 V (Li-ion cutoff) to 36 V (24 V bus + transients) - reduces BOM count across portable and industrial platforms. |
| Automotive Qualification | AEC-Q100 Grade 1 compliant (TSB511IYLT variant); same die used in TSB511ILT - supports functional safety pre-compliance in ASIL-B subsystems. |
Applications
| High-Side Current Sensing | Hall Effect Sensor Interface |
|---|---|
Use Scenario: Monitoring motor phase current in 24 V BLDC drives using a 5 mΩ shunt placed between power FETs and VBUS. IC Role / Device Role / Timing Role: Amplifies differential voltage across shunt with G = 100, rejecting common-mode bus noise while preserving fast current transient response. Use Value: ±1.5 mV offset ensures <±0.15% full-scale error at 20 A; 6 MHz bandwidth captures PWM switching artifacts for real-time fault detection. |
Use Scenario: Conditioning analog output of linear Hall ICs (e.g., HAL 2425) in position feedback loops for servo valves. IC Role / Device Role / Timing Role: Provides low-drift, low-noise gain stage before 12-bit SAR ADC sampling at 100 kSPS. Use Value: 12 nV/√Hz noise floor maintains >80 dB SNR; rail-to-rail output fully utilizes 3.3 V ADC reference without level-shifting. |
| Industrial Process Control | Test & Measurement Front-End |
Use Scenario: Amplifying 4–20 mA loop receiver voltage across 250 Ω resistor in PLC analog input modules. IC Role / Device Role / Timing Role: Acts as precision buffer with unity gain and high CMRR to reject ground loop noise in factory wiring. Use Value: 120 dB CMRR at DC rejects 10 V common-mode interference; 100 dB PSRR suppresses 120 Hz ripple from AC/DC supplies. |
Use Scenario: Building handheld multimeter front-end for µA-range current measurement using transimpedance configuration. IC Role / Device Role / Timing Role: Configured as TIA with 1 MΩ feedback resistor; low input bias current minimizes offset error. Use Value: ±100 nA input bias current contributes <±0.1 µA error at 1 µA full scale; 3 V/µs slew rate supports 100 ms auto-ranging transitions. |
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 | Lower offset (±125 µV max), higher GBP (10 MHz), but narrower supply range (2.7–24 V) | Better for µV-level strain gauge bridges; unsuitable for 36 V industrial bus monitoring | Select when sub-mV offset dominates over supply flexibility |
| LMV321IDBVR | Lower cost, 1 MHz GBP, 1 V/µs slew rate, no integrated EMI filter, 1.8–5.5 V only | Limited to low-voltage consumer electronics; cannot replace in 24 V motor control | Choose only for cost-sensitive 3.3 V IoT sensor nodes with relaxed bandwidth needs |
Compared with TSB511ILT, TSB711ILT improves DC precision at the expense of high-voltage operation, while LMV321IDBVR sacrifices bandwidth, noise performance, and EMI resilience to reduce unit cost - making TSB511ILT the optimal balance for ruggedized industrial signal chains.
Availability
TSB511ILT is available at Aetrix Electronics and suitable for high-side current sensing, Hall effect sensor interfaces, and industrial process control requiring stable component supply across automotive, factory automation, and energy infrastructure programs.
Supply support for TSB511ILT 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 power management, analog, MEMS, and microcontrollers for industrial, automotive, and consumer markets.
The TSB51x series belongs to ST's precision operational amplifier product line, engineered specifically for high-reliability current sensing and sensor signal conditioning in harsh electromagnetic environments.
FAQ
What is the maximum capacitive load the TSB511ILT can drive without instability?
The TSB511ILT is characterized to drive up to 100 pF capacitive load while maintaining ≥34° phase margin in unity-gain configuration. For loads exceeding 100 pF, a series resistor (≥10 Ω) must be added between the output and capacitance to preserve stability - verified per Figure 22 in DS13885 Rev 1.
Does the TSB511ILT support dual-supply operation?
Yes - the TSB511ILT operates from ±1.35 V to ±18 V dual supplies, as confirmed in the Description section and Table 5 (Operating Conditions). Pin 2 (VCC−) serves as the negative rail, and Pin 5 (VCC+) as the positive rail, enabling true split-rail use in precision instrumentation.
How does the integrated EMI filter function, and what frequencies does it suppress?
The on-die EMI filter attenuates RF interference above 100 MHz, as validated by ST's application note AN4917. It uses a proprietary RC network internal to the input stage, eliminating the need for external LC filters while maintaining full DC accuracy - critical for compliance with CISPR 25 Class 5 in automotive ECUs.
Is the TSB511ILT pin-compatible with other devices in the TSB51x family?
No - the TSB511ILT (SOT23-5) has a unique 5-pin layout distinct from TSB512 (SO8/MiniSO8) and TSB514 (SO14/TSSOP14). Pin mapping differs across variants; for example, TSB512 places VCC+ on Pin 8, whereas TSB511ILT places it on Pin 5 - requiring separate PCB footprints.
TSB511ILT 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:
- -
- Voltage - Input Offset:
- 1.5 mV
- 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
TSB511ILT FAQ
1.How can I place an order for TSB511ILT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB511ILT 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 TSB511ILT reliable?
The price and inventory of TSB511ILT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB511ILT is usually 5 days.
3.What payment methods are accepted for TSB511ILT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB511ILT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB511ILT?
TSB511ILT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB511ILT 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 TSB511ILT?
For technical support, including TSB511ILT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB511ILT requirements.
6.How does Aetrix verify that TSB511ILT is sourced from the original manufacturer or authorized distributors?
All TSB511ILT 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 TSB511ILT meets industry standards.
7.What is the process for return or replacement of TSB511ILT?
All TSB511ILT units undergo pre-shipment inspection (PSI). If there is an issue with TSB511ILT, 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 TSB511ILT part is unused and in its original packaging.
Return procedure for TSB511ILT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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