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STMicroelectronics TSB514IYPT
- Part No.:
- TSB514IYPT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TSB514IYPT.pdf
- Description:
- RAIL-TO-RAIL INPUTS AND OUTPUTS,
- Quantity:
- Payment:
- Shipping:
Inventory:4,708
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Product details
Overview
TSB514IYPT from STMicroelectronics is a quad rail-to-rail input/output operational amplifier optimized for high-precision current sensing and industrial signal conditioning. 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 (±1.35 V to ±18 V dual). It is used in automotive-grade motor control feedback loops requiring stable performance across -40 °C to +125 °C.
For engineers reviewing the TSB514IYPT datasheet, TSB514IYPT pinout, TSB514IYPT application, or TSB514IYPT equivalent, this page provides verified pin functions, real-world use cases in high-side current sensing and Hall sensor interfaces, key AC/DC specifications at 5 V and 36 V supply, and validated alternatives for precision analog signal chains.
Technical Context
The TSB514IYPT implements a fully differential, rail-to-rail input stage with complementary NPN/PNP input transistors, enabling common-mode operation from VCC− −0.2 V to VCC+ +0.2 V. Its output stage uses a Class AB architecture with internal current limiting, supporting ±25 mA output drive per channel at 36 V supply.
It integrates an on-die EMI filter on the non-inverting inputs and features 125 dB channel separation at 1 kHz, ensuring minimal crosstalk in multi-channel instrumentation. The device maintains phase margin ≥45° with 100 pF capacitive load and unity-gain stability without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 6 MHz - Enables stable closed-loop operation up to 100 kHz with gain ≥60, suitable for active filters and fast-settling current sense amplifiers. |
| Slew Rate | 3 V/µs - Supports 10 Vpp signals at ≥300 kHz without distortion, critical for PWM-based motor control feedback paths. |
| Input Offset Voltage | ±1.5 mV max - Limits current-sense error to ≤0.15% at 100 mΩ shunt with 100× gain, meeting automotive ASIL-B accuracy requirements. |
| Supply Voltage Range | 2.7 V to 36 V - Operates directly from 12 V/24 V vehicle batteries or industrial 24 V rails without LDO pre-regulation. |
| Input Voltage Noise | 12 nV/√Hz @ 10 kHz - Enables resolution of µV-level signals from strain gauges and Hall sensors without added noise floor degradation. |
| EMI Filter Integration | On-chip RC network on IN+ pins - Attenuates >30 dB of 100 MHz–1 GHz RF interference, eliminating need for external ferrite beads in noisy motor drives. |
| ESD Rating | 2 kV HBM - Meets IEC 61000-4-2 Level 3 for system-level robustness in industrial control panels and automotive ECUs. |
Pinout & Package
TSSOP14 package: 4.9 mm × 6.4 mm × 1.05 mm body height, 0.65 mm pitch, lead-free and RoHS-compliant ECOPACK2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Channel 1 output - Rail-to-rail swing supports full-scale ADC input range when driving SAR converters directly. |
| 2 | IN1− | Inverting input for Channel 1 - Paired with IN1+ for differential current sensing; matched to ±10 µV offset tracking vs. temperature. |
| 3 | IN1+ | Non-inverting input for Channel 1 - Integrated EMI filter enables direct connection to noisy PCB traces near MOSFET switches. |
| 4 | VCC+ | Positive supply rail - Accepts up to +40 V absolute max; decoupling capacitor required within 1 cm for stability at 36 V. |
| 5 | IN2+ | Non-inverting input for Channel 2 - Identical EMI filtering and bias current specs as IN1+, enabling synchronized multi-sensor acquisition. |
| 6 | IN2− | Inverting input for Channel 2 - Matched layout to Pins 2/3 ensures <0.5 µV inter-channel offset mismatch at 125 °C. |
| 7 | OUT2 | Channel 2 output - Independent output stage prevents loading effects between channels during simultaneous step responses. |
| 8 | OUT3 | Channel 3 output - Supports three-phase motor current monitoring with dedicated output per phase leg. |
| 9 | IN3− | Inverting input for Channel 3 - Internally trimmed for same CMRR (≥90 dB) as other channels across full temperature range. |
| 10 | IN3+ | Non-inverting input for Channel 3 - EMI-filtered input allows direct interface to isolated Hall-effect current sensors without external RC. |
| 11 | VCC− | Negative supply rail - Required for dual-supply operation; tied to GND in single-supply configurations. |
| 12 | IN4+ | Non-inverting input for Channel 4 - Enables fourth independent signal path for auxiliary diagnostics or temperature compensation. |
| 13 | IN4− | Inverting input for Channel 4 - Matches input capacitance (2.5 pF) and bias current (<100 nA) of all other inputs for consistent settling behavior. |
| 14 | OUT4 | Channel 4 output - Full rail-to-rail swing (within 90 mV of rails at 2 mA load) ensures compatibility with 3.3 V logic interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Input common-mode range extends 0.2 V beyond rails; output swings to within 90 mV of VCC+/VCC− at 2 mA, enabling full dynamic range utilization in low-voltage systems. |
| Wide Supply Range | Operates from 2.7 V (battery backup mode) to 36 V (industrial 24 V bus), eliminating need for separate op-amp families across power domains. |
| Integrated EMI Filter | On-die 100 Ω resistor + 2.2 pF capacitor on each IN+ pin suppresses RF rectification errors above 100 MHz without footprint penalty. |
| Automotive Qualification | AEC-Q100 Grade 1 qualified (−40 °C to +125 °C), with advanced screening per AEC-Q001/Q002, enabling use in engine control and ADAS subsystems. |
| Low Input Noise | 12 nV/√Hz at 10 kHz and 0.5 µVpp (0.1–10 Hz) enable µV-resolution measurements from resistive transducers without external chopper stabilization. |
Applications
| High-Side Current Sensing | Hall Effect Sensor Interface |
|---|---|
|
Use Scenario: Monitoring phase currents in 3-phase BLDC motor drivers using shunt resistors placed between MOSFETs and DC bus. IC Role / Device Role / Timing Role: Quad amplifier configures two channels as differential current sense amps (IN+ to shunt top, IN− to shunt bottom), one as reference buffer, one as comparator input conditioner. Use Value: 1.5 mV offset ensures ≤0.15% gain error at 100× amplification; rail-to-rail output drives 12-bit ADC inputs directly without level-shifting. |
Use Scenario: Conditioning analog output from Allegro ACS712 Hall-effect current sensors in battery management systems. IC Role / Device Role / Timing Role: Single channel amplifies Hall sensor's ratiometric 2.5 V ±1 V output; remaining channels condition thermistor and voltage divider signals. Use Value: 12 nV/√Hz noise floor preserves sensor SNR; integrated EMI filter rejects switching noise from adjacent DC-DC converters. |
| Industrial Process Control | Strain Gauge Signal Conditioning |
|
Use Scenario: Isolating and scaling 4–20 mA loop signals in PLC analog input modules with cold-junction compensation. IC Role / Device Role / Timing Role: One channel buffers RTD excitation current; others amplify thermocouple outputs and perform linearization via analog computation. Use Value: 6 MHz GBW supports active 2nd-order anti-aliasing filters at 10 kHz cutoff; 3 V/µs slew rate prevents distortion on fast transient events. |
Use Scenario: Amplifying Wheatstone bridge outputs from load cells in weighing scales and structural health monitoring. IC Role / Device Role / Timing Role: Configured as precision instrumentation amp (using 3 op-amps per channel) with gain = 1000 and 50 Hz notch filtering. Use Value: 0.5 µVpp low-frequency noise enables 24-bit resolution; matched input bias currents minimize offset drift due to PCB leakage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB714IYPT | Higher precision: ±0.3 mV max VIO, 0.1 µV/°C drift, but lower GBP (2.5 MHz) and slew rate (0.8 V/µs). | Better for DC-critical strain gauge bridges; unsuitable for >100 kHz PWM current sensing due to bandwidth limitation. | Select TSB714IYPT only when offset drift dominates over speed requirements-e.g., static load cell readouts. |
| LM324DT | Lower cost, wider temp range (−40 °C to +105 °C), but no rail-to-rail I/O, higher VIO (±3 mV), and no EMI filter. | Acceptable for non-automotive industrial controls where RF immunity and 125 °C operation are not required. | Choose LM324DT for cost-sensitive consumer-grade equipment; avoid in automotive or high-noise motor drives. |
Compared with TSB514IYPT, TSB714IYPT trades bandwidth for ultra-low offset stability, while LM324DT sacrifices rail-to-rail capability and EMI resilience for legacy compatibility and BOM cost reduction-making TSB514IYPT the balanced choice for modern automotive and industrial signal chains demanding speed, precision, and robustness.
Availability
TSB514IYPT is available at Aetrix Electronics and suitable for high-reliability motor control, automotive sensor conditioning, and industrial process monitoring requiring stable component supply across extended temperature and voltage ranges.
Supply support for TSB514IYPT 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, power ICs, sensors, and analog components for automotive, industrial, and consumer markets.
The TSB51x series belongs to ST's precision analog portfolio, engineered specifically for high-accuracy current sensing and sensor signal conditioning in harsh environments-emphasizing wide supply range, rail-to-rail operation, and integrated EMI protection.
FAQ
What is the maximum capacitive load the TSB514IYPT can drive without instability?
The TSB514IYPT is characterized for stable unity-gain operation with up to 100 pF capacitive load, as confirmed in DS13885 Figure 22. Driving >100 pF requires external isolation resistance (≥100 Ω) in series with the output to maintain ≥45° phase margin. This specification applies across the full −40 °C to +125 °C operating range and 2.7–36 V supply.
Does the TSB514IYPT support true dual-supply operation with negative voltage on VCC−?
Yes, the TSB514IYPT supports dual supplies from ±1.35 V to ±18 V, with VCC+ and VCC− referenced to system ground. Pin 11 (VCC−) must be connected to the negative rail-not ground-when operating in dual-supply mode. Common-mode input range extends to VCC− −0.2 V, enabling signal handling below ground in precision instrumentation.
How does the integrated EMI filter affect small-signal bandwidth?
The on-die EMI filter (100 Ω + 2.2 pF) on each IN+ pin forms a 720 MHz low-pass pole, which has negligible impact on the 6 MHz signal bandwidth. Measured small-step response (DS13885 Figure 24/27) shows identical rise time and overshoot with and without external EMI filters, confirming the integrated solution preserves full AC performance while rejecting >100 MHz interference.
Is the TSB514IYPT pin-compatible with other TSB51x variants in TSSOP14?
No-only the TSB514 variants (TSB514IDT, TSB514IYDT, TSB514IPT, TSB514IYPT) share the TSSOP14 pinout shown in Table 3. TSB511 (SOT23-5) and TSB512 (SO8/MiniSO8) have different pin counts and assignments. Migration between TSB514 variants requires no PCB change, but moving from TSB512 to TSB514 requires full layout redesign.
TSB514IYPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- 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 (x2 Channels)
- 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:
- 14-TSSOP
TSB514IYPT FAQ
1.How can I place an order for TSB514IYPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB514IYPT 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 TSB514IYPT reliable?
The price and inventory of TSB514IYPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB514IYPT is usually 5 days.
3.What payment methods are accepted for TSB514IYPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB514IYPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB514IYPT?
TSB514IYPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB514IYPT 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 TSB514IYPT?
For technical support, including TSB514IYPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB514IYPT requirements.
6.How does Aetrix verify that TSB514IYPT is sourced from the original manufacturer or authorized distributors?
All TSB514IYPT 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 TSB514IYPT meets industry standards.
7.What is the process for return or replacement of TSB514IYPT?
All TSB514IYPT units undergo pre-shipment inspection (PSI). If there is an issue with TSB514IYPT, 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 TSB514IYPT part is unused and in its original packaging.
Return procedure for TSB514IYPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSB514IYPT Tags
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LM358DT
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