STMicroelectronics TSB7192AIDT

Overview

TSB7192AIDT from STMicroelectronics is a precision rail-to-rail input/output operational amplifier in MiniSO-8 package, designed for high-accuracy signal conditioning in 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 - enabling high-side current sensing in motor control and strain gauge amplification.

For engineers reviewing the TSB7192AIDT datasheet, TSB7192AIDT pinout, TSB7192AIDT application, or TSB7192AIDT equivalent, key selection criteria include its guaranteed rail-to-rail operation up to +125 °C, integrated EMI filter, 2 kV HBM ESD rating, and stability at gain ≥ +10 or ≤ –9 - critical for precision instrumentation and Hall effect sensor interfaces.

Technical Context

The TSB7192AIDT employs a dual complementary NPN/PNP input stage enabling true rail-to-rail common-mode input range from VCC– to (VCC+) + 0.1 V, with optimized performance across VCC– to (VCC+) – 1.5 V. Its open-loop gain exceeds 110 dB and CMRR reaches 130 dB at 25 °C under standard conditions.

It features internal ESD protection diodes on both inputs, requires external series resistors if input voltages exceed rails, and maintains phase non-reversal across the full absolute maximum common-mode window (VCC– – 0.2 V to VCC+ + 0.2 V). Stability is ensured for capacitive loads up to 100 pF with ≥63° phase margin at AV = +10.

Key Specifications

Pinout & Package

TSB7192AIDT is housed in a MiniSO-8 (SO8) surface-mount package with exposed pad for thermal enhancement and standard JEDEC footprint compatibility.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar precision rail-to-rail op-amp applications.

Compared with TSB7192AIDT, TSB712AIDT offers identical bandwidth in a dual configuration but sacrifices single-channel optimization and extended input range, while OPA2188AIDR provides superior DC precision at the cost of 10× lower bandwidth - making TSB7192AIDT the balanced choice for wideband, high-temperature, rail-to-rail industrial signal conditioning.

Availability

TSB7192AIDT is available at Aetrix Electronics and suitable for high-side current sensing, Hall effect sensor interfaces, data acquisition front-ends, and strain gauge amplifiers requiring stable component supply across automotive and industrial production cycles.

Supply support for TSB7192AIDT 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, analog components, and MEMS sensors for industrial, automotive, and consumer markets.

The TSB719x family belongs to ST's precision high-voltage op-amp product line, engineered specifically for robust signal conditioning in harsh environments - emphasizing rail-to-rail operation, EMI resilience, and extended temperature reliability.

FAQ

What is the maximum capacitive load the TSB7192AIDT can drive without instability?

The TSB7192AIDT is stable driving up to 100 pF capacitive load with ≥63° phase margin at gain = +10. For loads exceeding 100 pF, external isolation resistance (e.g., 10–50 Ω in series with the output) is required to maintain stability, as confirmed in Figure 25 of DS12641 Rev 5. This capability supports direct connection to long PCB traces or ADC input capacitors without added compensation networks.

Does the TSB7192AIDT exhibit phase reversal when input voltage exceeds the supply rails?

No - the TSB7192AIDT guarantees no phase reversal for any input common-mode voltage within the absolute maximum rating window of (VCC– – 0.2 V) to (VCC+ + 0.2 V), as verified in Section 5.2 of the datasheet. However, input voltages beyond rails forward-bias internal ESD diodes; current must be limited to ≤10 mA via series resistors to prevent damage.

How does the input offset voltage change near the positive rail (VCC+)?

At common-mode voltages approaching VCC+, the TSB7192AIDT transitions between PNP and NPN input stages, causing a localized increase in input offset voltage - observable as a "bump" in Figures 10 and 11 of DS12641. Performance is optimized below (VCC+ – 1.5 V); operation near VCC+ degrades CMRR and increases offset drift, so design should bias inputs ≥1.5 V below VCC+ for best accuracy.

Is the TSB7192AIDT pin-compatible with earlier TSB7192 variants?

Yes - the TSB7192AIDT shares identical MiniSO-8 pinout, footprint, and electrical specifications with the TSB7192IDT, differing only in tighter initial offset voltage (±300 µV max vs ±800 µV) and improved offset drift (2.8 µV/°C vs 4 µV/°C). No layout or schematic changes are needed for drop-in replacement in new designs or field upgrades.