Overview
The TS941IDT is a micropower operational amplifier from STMicroelectronics, part of the TS94x series. This device is characterized by its low power consumption and rail-to-rail output voltage swing, making it ideal for battery-powered systems and other low-power applications. The TS941IDT operates over a supply voltage range of 2.5 V to 10 V and is designed to function within a temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.5 | 10 | V | |
| Input Offset Voltage (Vio) | 10 | 5 | 2 | mV |
| Input Bias Current (Iib) | 1 | 150 | pA | |
| Common Mode Rejection Ratio (CMR) | 60 | 85 | dB | |
| Supply Voltage Rejection Ratio (SVR) | 50 | 85 | dB | |
| Gain Bandwidth Product (GBP) | 10 | kHz | ||
| Slew Rate (SR) | 3 | 4.5 | V/ms | |
| Supply Current (ICC) per Amplifier | 1.2 | 1.8 | µA | |
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Rail-to-Rail Output Voltage Swing: Ensures maximum output voltage range, making it suitable for a variety of applications.
- Micropower Consumption: Low supply current of 1.2 µA per amplifier, ideal for battery-powered systems.
- Single Supply Operation: Operates from 2.5 V to 10 V, providing flexibility in system design.
- CMOS Inputs: Ultra-low input bias current of 1 pA, enhancing performance in low-power applications.
- ESD Protection: Human Body Model (HBM) ESD protection up to 2 kV.
- Latch-Up Immunity: Class A latch-up immunity for robust operation.
- Compact Packaging: Available in SOT23-5, SO-8, TSSOP8, and TSSOP14 packages, suitable for space-constrained designs.
Applications
- Battery-Powered Systems: Ideal for alarm systems, portable communication devices, and other battery-powered applications.
- Portable Communication Systems: Suitable for pagers and other handheld communication devices.
- Smoke/Gas/Fire Detectors: Used in safety and monitoring systems due to its low power consumption and reliability.
- Instrumentation and Sensing: Applied in various sensing and measurement instruments where low power and high accuracy are required.
- pH Meters: Used in chemical and biomedical applications requiring precise and low-power amplification.
Q & A
- What is the supply voltage range of the TS941IDT?
The TS941IDT operates from 2.5 V to 10 V.
- What is the typical supply current per amplifier for the TS941IDT?
The typical supply current per amplifier is 1.2 µA.
- What is the input bias current of the TS941IDT?
The input bias current is typically 1 pA.
- Does the TS941IDT have ESD protection?
Yes, it has Human Body Model (HBM) ESD protection up to 2 kV.
- What are the common applications of the TS941IDT?
It is commonly used in battery-powered systems, portable communication systems, smoke/gas/fire detectors, instrumentation, and sensing applications.
- What is the operating temperature range of the TS941IDT?
The operating temperature range is -40°C to +85°C.
- What are the available package types for the TS941IDT?
It is available in SOT23-5, SO-8, TSSOP8, and TSSOP14 packages.
- What is the gain bandwidth product (GBP) of the TS941IDT?
The gain bandwidth product is typically 10 kHz.
- Does the TS941IDT have latch-up immunity?
Yes, it has Class A latch-up immunity.
- What is the slew rate of the TS941IDT?
The slew rate is typically 3 to 4.5 V/ms.
