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STMicroelectronics TSB7192AIST
- Part No.:
- TSB7192AIST
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TSB7192AIST.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MINISO
- Quantity:
- Payment:
- Shipping:
Inventory:3,798
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Product details
Overview
TSB7192AIST from STMicroelectronics is a precision rail-to-rail input/output dual operational amplifier in MiniSO-8 package, designed for high-accuracy signal conditioning in wide-supply industrial and automotive systems. It delivers 22 MHz gain bandwidth, 12 V/µs slew rate, 300 µV max input offset voltage at 25 °C, and operates from 2.7 V to 36 V single supply (±1.35 V to ±18 V dual). It is used in high-side current sensing, Hall effect sensor interfaces, and motor control feedback loops.
For engineers reviewing the TSB7192AIST datasheet, TSB7192AIST pinout, TSB7192AIST application, or TSB7192AIST equivalent, key selection criteria include its guaranteed rail-to-rail operation up to +125 °C, integrated EMI filter, 2 kV HBM ESD rating, stable performance at gain ≥ +10 or ≤ –9, and low 12 nV/√Hz input voltage noise density at 10 kHz.
Technical Context
The TSB7192AIST employs a complementary NPN/PNP rail-to-rail input stage enabling full common-mode range from VCC– to (VCC+)+0.1 V, with optimized performance over VCC– to (VCC+)–1.5 V. Its internal architecture supports stable unity-gain-compensated operation only above gain +10 (non-inverting) or below –9 (inverting), verified across –40 °C to +125 °C.
It features an integrated EMI filter on inputs, 2 kV HBM ESD tolerance, and no phase reversal within absolute maximum common-mode range (VCC– –200 mV to VCC+ +200 mV). Output drive capability is specified for 15 mA sink/source with <1 V drop at rail, supporting direct interface to ADC drivers and transducer signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 22 MHz - enables stable closed-loop operation up to ~2 MHz at gain = 10, suitable for fast current-sense amplification. |
| Slew Rate | 12 V/µs - supports 10 Vpp signals up to ~1.9 MHz without distortion, critical for motor control loop response. |
| Input Offset Voltage | ±300 µV max at 25 °C - ensures <0.003% error in 10 V full-scale instrumentation paths without trimming. |
| Supply Voltage Range | 2.7 V to 36 V single supply - eliminates need for level-shifting in 24 V industrial bus or 12 V automotive systems. |
| Input Voltage Noise | 12 nV/√Hz at 10 kHz - maintains SNR > 100 dB in 100 kHz bandwidth data acquisition front-ends. |
| Common-Mode Rejection | 115 dB typical at 25 °C (VCC– to VCC+–1.5 V) - rejects >10⁵× common-mode interference in shunt-based current sensing. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive and factory-floor industrial environments. |
Pinout & Package
TSB7192AIST is housed in MiniSO-8 (SO8) surface-mount package, 3.0 mm × 3.0 mm, 0.65 mm pitch, thermally enhanced for industrial ambient operation.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Output of Channel 1 - rail-to-rail swing supports direct connection to SAR ADC reference buffers or comparator inputs. |
| 2 | IN1– | Inverting input of Channel 1 - matched with IN1+ for differential gain configurations; requires external series resistor if driven beyond rails. |
| 3 | IN1+ | Non-inverting input of Channel 1 - accepts common-mode voltages up to VCC+ + 0.1 V; transition region near VCC+ –1 V degrades CMRR. |
| 4 | VCC– | Negative supply terminal - must be connected to system ground or negative rail; serves as reference for both channels' bias networks. |
| 5 | IN2+ | Non-inverting input of Channel 2 - electrically identical to IN1+; enables dual-path signal conditioning (e.g., current + voltage sense). |
| 6 | IN2– | Inverting input of Channel 2 - independent of Channel 1; supports separate feedback networks for each amplifier. |
| 7 | OUT2 | Output of Channel 2 - fully independent output stage; capable of sourcing/sinking 15 mA while maintaining rail-to-rail swing. |
| 8 | VCC+ | Positive supply terminal - accepts up to +40 V absolute max; decoupling capacitor required within 5 mm for stability at 22 MHz. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in single-supply systems - e.g., 0–3.3 V ADC interfacing without level shifters. |
| Integrated EMI filter | Reduces susceptibility to 100 MHz–1 GHz RF interference in noisy motor drives or power converters without external RC networks. |
| Stable at gain +10 / –9 | Guarantees phase margin ≥63° at 25 °C and ≥68° at 25 °C (gain +10), eliminating need for external compensation in most precision gain stages. |
| 2 kV HBM ESD tolerance | Meets IEC 61000-4-2 Level 3 requirements for industrial control modules handling field-wire connections. |
| Low 1.8 mA supply current per channel | Supports always-on sensor signal conditioning in battery-backed systems - e.g., <10 µA total quiescent current in shutdown mode (via external enable). |
Applications
| High-Side Current Sensing | Hall Effect Sensor Interface |
|---|---|
Use Scenario: Monitoring motor phase current in 24 V BLDC inverter using shunt resistor placed between MOSFET source and ground. IC Role / Device Role / Timing Role: Dual op-amp configured as difference amplifier (Ch1) and reference buffer (Ch2), rejecting common-mode voltage up to 24 V. Use Value: ±300 µV offset ensures <1.25 mV error at 10 A sense (50 mΩ shunt), enabling <0.1% current measurement accuracy over temperature. |
Use Scenario: Conditioning analog output of linear Hall sensor in automotive throttle position module exposed to engine bay EMI. IC Role / Device Role / Timing Role: Single-ended amplifier with integrated EMI filter, amplifying 0–5 V Hall output with 10× gain before ADC sampling. Use Value: 12 nV/√Hz noise + 22 MHz bandwidth preserves signal fidelity up to 10 kHz mechanical vibration frequencies. |
| Data Acquisition Front-End | Motor Control Feedback Loop |
Use Scenario: Precision signal chain for 16-bit industrial DAQ measuring strain gauge bridges with 3.3 V excitation. IC Role / Device Role / Timing Role: Instrumentation-grade amplifier (Ch1) and reference buffer (Ch2) driving SAR ADC input with rail-to-rail swing. Use Value: 115 dB CMRR rejects bridge common-mode drift; 22 MHz GBP supports settling in <500 ns for 1 MSPS sampling. |
Use Scenario: Closed-loop speed regulation in servo drive using encoder quadrature signals and current feedback. IC Role / Device Role / Timing Role: Dual-channel amplifier: Ch1 conditions current sense, Ch2 buffers encoder zero-crossing comparator reference. Use Value: 12 V/µs slew rate ensures <83 ns response to 1 V step, meeting <100 ns loop timing budget for 20 kHz PWM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB712A | Same 36 V supply, but 22 MHz GBP shared across dual channels; higher 3.5 mA/ch supply current. | Less suitable for independent high-speed dual-path use; better for cost-sensitive dual-buffer applications. | Select TSB712A only when dual-channel correlation or lower unit cost outweighs need for independent 22 MHz bandwidth per channel. |
| OPA2333AIDR | Zero-drift architecture; 0.02 µV/°C offset drift vs. TSB7192AIST's 2.8 µV/°C; lower 175 µA/ch supply current. | Better for ultra-low-drift DC-coupled sensors; lacks EMI filter and 2 kV HBM rating - not automotive-qualified. | Choose OPA2333AIDR for sub-µV drift-critical lab equipment; retain TSB7192AIST for harsh-environment industrial/motor control. |
Compared with TSB712A, TSB7192AIST provides independent 22 MHz bandwidth per channel and lower supply current at high speed; versus OPA2333AIDR, it trades zero-drift for superior ESD robustness, integrated EMI filtering, and guaranteed operation up to +125 °C - making it optimal for real-time motor control and automotive sensing.
Availability
TSB7192AIST is available at Aetrix Electronics and suitable for high-side current sensing, Hall effect sensor interfaces, and motor control feedback loops requiring stable component supply across extended temperature and voltage ranges.
Supply support for TSB7192AIST 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, specializing in automotive, industrial, and power management ICs with vertical manufacturing and AEC-Q100 qualification capabilities.
The TSB719x family targets high-precision analog signal conditioning in harsh environments, emphasizing rail-to-rail operation, wide supply range, EMI resilience, and automotive-grade reliability - directly addressing needs in electric powertrain, industrial automation, and smart sensing.
FAQ
What is the minimum stable gain configuration for TSB7192AIST?
The TSB7192AIST is unconditionally stable only when configured for non-inverting gain ≥ +10 or inverting gain ≤ –9 across –40 °C to +125 °C. At gains below these thresholds, phase margin drops below 60°, risking oscillation - especially with capacitive loads >100 pF or high-source-impedance inputs. External compensation is required for unity-gain follower use.
Does TSB7192AIST support true rail-to-rail input at VCC+?
Yes - the input common-mode range extends to (VCC+) + 0.1 V, but performance is optimized from VCC– to (VCC+) – 1.5 V. Near VCC+ – 1 V, a PNP-to-NPN input stage transition occurs, causing measurable offset voltage shift and CMRR degradation (down to 75 dB). For highest accuracy, keep common-mode voltage ≤ VCC+ – 1.5 V.
How does the integrated EMI filter affect bandwidth?
ST's integrated EMI filter attenuates RF interference above ~100 MHz without impacting small-signal AC performance up to 22 MHz. Measured THD+N remains ≤0.0024% at 1 kHz, and phase margin is unaffected - confirmed in Figures 32–33 (noise vs. frequency) and Figure 25 (phase margin vs. capacitive load) of DS12641 Rev 5.
Can TSB7192AIST drive a 10 kΩ load at 36 V supply?
Yes - output voltage swing remains rail-to-rail (within 120 mV of rails) with no load, and sustains >10 Vpp swing into 10 kΩ at 36 V supply. At 15 mA load, VOL is ≤1 V and VOH is ≥35 V, verified in Table 5 (VOH/VOL specs) and Figure 13/16 (output current vs. voltage curves) across temperature.
TSB7192AIST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 12V/µs
- Gain Bandwidth Product:
- 22 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 (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MiniSO
TSB7192AIST FAQ
1.How can I place an order for TSB7192AIST through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB7192AIST 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 TSB7192AIST reliable?
The price and inventory of TSB7192AIST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB7192AIST is usually 5 days.
3.What payment methods are accepted for TSB7192AIST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB7192AIST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB7192AIST?
TSB7192AIST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB7192AIST 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 TSB7192AIST?
For technical support, including TSB7192AIST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB7192AIST requirements.
6.How does Aetrix verify that TSB7192AIST is sourced from the original manufacturer or authorized distributors?
All TSB7192AIST 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 TSB7192AIST meets industry standards.
7.What is the process for return or replacement of TSB7192AIST?
All TSB7192AIST units undergo pre-shipment inspection (PSI). If there is an issue with TSB7192AIST, 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 TSB7192AIST part is unused and in its original packaging.
Return procedure for TSB7192AIST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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