Overview
The TS944AIDT is a part of the TS94x series of operational amplifiers produced by STMicroelectronics. This device is characterized by its rail-to-rail output voltage swing, micropower consumption, and single supply operation. It is designed to operate over a wide temperature range of -40°C to +85°C and is suitable for various applications requiring low power and high performance.
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
- Micropower consumption (1.2 µA typical)
- Single supply operation (2.5 V to 10 V)
- CMOS inputs with ultra-low input bias current (1 pA typical)
- ESD protection (2 kV HBM, 200 V MM, 1.5 kV CDM)
- Latch-up immunity (class A)
- Available in various packages including SOT23-5, SO-8, and TSSOP8
Applications
- Battery-powered systems (e.g., alarms)
- Portable communication systems (e.g., pagers)
- Smoke/gas/fire detectors
- Instrumentation and sensoring
- pH meters
Q & A
- What is the operating temperature range of the TS944AIDT?
The operating temperature range is -40°C to +85°C.
- What is the typical supply current per amplifier for the TS944AIDT?
The typical supply current per amplifier is 1.2 µA.
- What is the gain bandwidth product (GBP) of the TS944AIDT?
The gain bandwidth product is 10 kHz.
- Does the TS944AIDT have ESD protection?
- In what packages is the TS944AIDT available?
The TS944AIDT is available in SOT23-5, SO-8, and TSSOP8 packages.
- What is the common mode rejection ratio (CMR) of the TS944AIDT?
The CMR is 60 dB to 85 dB.
- What is the slew rate of the TS944AIDT?
The slew rate is 3 V/ms to 4.5 V/ms.
- Is the TS944AIDT suitable for battery-powered systems?
- What is the input bias current of the TS944AIDT?
The input bias current is 1 pA typical.
- Does the TS944AIDT have latch-up immunity?
