STMicroelectronics TS912BIDT

Overview

TS912BIDT from STMicroelectronics is a rail-to-rail input/output CMOS dual operational amplifier operating from 2.7 V to 16 V single or dual supply, delivering 2 mV max input offset voltage, 1 pA typical input bias current, and 200 μA/amplifier supply current at 3 V. It drives 600 Ω loads with rail-swing output (VCC− +300 mV / VCC+ −400 mV) and supports industrial temperature range (−40 °C to +125 °C) in SO-8 package.

For engineers reviewing the TS912BIDT datasheet, TS912BIDT pinout, TS912BIDT application, or TS912BIDT equivalent, key selection criteria include rail-to-rail I/O capability under low-voltage operation, ultra-low input bias current for high-impedance sensor interfacing, guaranteed 2 mV max Vio across temperature, and SO-8 packaging for space-constrained analog signal conditioning.

Technical Context

The TS912B implements a CMOS input stage with rail-to-rail common-mode input range (VCC− −0.2 V to VCC+ +0.2 V) and complementary output stage enabling output swing within 300 mV of rails into 600 Ω. Its internal current-limiting circuit fixes source/sink short-circuit current at 40 mA per amplifier at 3 V.

It features 1.4 MHz gain-bandwidth product at 10 V supply with 40° phase margin into 10 kΩ load, and maintains 120 dB channel separation at 1 kHz-critical for dual-channel precision instrumentation where crosstalk must be minimized.

Key Specifications

Pinout & Package

TS912BIDT is housed in an SO-8 (Small Outline-8) plastic micropackage, 4.8 mm × 6.0 mm body, 1.27 mm pitch, with exposed pad not electrically connected. RoHS-compliant and ECOPACK® certified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TS912IDT and TS912AIDT, the TS912BIDT provides the tightest input offset specification (2 mV max), making it the only choice for uncalibrated high-accuracy sensor interfaces where offset drift would degrade measurement fidelity without trimming.

Availability

TS912BIDT is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, portable medical diagnostics, and 4–20 mA loop receiver circuits requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TS912BIDT 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 analog, mixed-signal, power, and microcontroller products for industrial, automotive, and consumer markets.

The TS912 series belongs to ST's precision analog portfolio, engineered specifically for low-power, rail-to-rail operational amplifiers targeting high-impedance sensor interfaces and battery-operated instrumentation.

FAQ

What is the maximum capacitive load the TS912BIDT can drive without instability?

The TS912BIDT is characterized for stability with up to 100 pF capacitive load when driving 10 kΩ resistive loads, as verified in Figure 8 (Gain/Phase vs. Frequency). Driving larger capacitive loads requires isolation resistance (≥100 Ω) between amplifier output and capacitor to maintain ≥30° phase margin. No internal compensation is provided for direct capacitive loading beyond this limit.

Does TS912BIDT support true dual-supply operation down to ±1.35 V?

Yes-its 2.7 V minimum total supply voltage permits ±1.35 V dual-supply operation. The input common-mode range extends 0.2 V beyond both rails (VCC− −0.2 V to VCC+ +0.2 V), and output swings to within 300 mV of each rail into 600 Ω, enabling symmetric signal handling around ground in low-voltage dual-rail systems.

How does the 2 mV max input offset voltage of TS912BIDT compare across temperature?

The 2 mV maximum applies over the full −40 °C to +125 °C operating range, as specified in Table 3–5 for all supply voltages (3 V, 5 V, 10 V). Input offset drift is 5 μV/°C typical, meaning worst-case drift adds ≤0.8 mV over the full temperature span-keeping total error well within the 2 mV limit.

Is the SO-8 package of TS912BIDT thermally enhanced or lead-free?

The TS912BIDT SO-8 package is lead-free and RoHS-compliant, meeting ECOPACK® environmental standards. It has no thermal pad or heatsink feature-the junction-to-ambient thermal resistance is 125 °C/W (typical), requiring PCB copper area or airflow for high-power operation above 50 mW per amplifier.