Overview
The TSM103W, specifically the TSM103WAID model, is a monolithic integrated circuit (IC) produced by STMicroelectronics. This device combines one independent operational amplifier (op-amp) and another op-amp with its non-inverting input connected to a 2.5V fixed voltage reference. This configuration offers both space and cost savings, making it suitable for various applications such as power supply management and data acquisition systems.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 32 | V |
| Operating Temperature | -40 | - | 105 | °C |
| Input Offset Voltage | 0.5 | 1 | 2 | mV |
| Supply Current per Op-Amp | - | 350 | - | µA (@ VCC = 5V) |
| Bandwidth (Unity Gain) | - | 0.9 | - | MHz |
| Output Impedance | - | 0.2 | - | Ω |
| Sink Current Capability | 1 | - | 100 | mA |
| ESD Protection | - | - | 1.5 kV | - |
| Reference Voltage | 2.49 | 2.5 | 2.51 | V |
| Voltage Precision | ±0.4% | - | ±0.7% | - |
Key Features
- ±0.4% or ±0.7% voltage precision
- Fixed output voltage reference of 2.5V
- Typical output impedance of 0.2Ω
- Sink current capability from 1 to 100mA
- 1.5kV ESD protection
- Wide power supply range: 3 to 32V ±1.5 to ±16V
- Low input offset voltage: 0.5mV typical
- Medium bandwidth (unity gain): 0.9MHz
- Low supply current: 350µA/op. (@ VCC = 5V)
- Input common mode voltage range includes ground
- Large output voltage swing: 0V to (VCC - 1.5V)
Applications
The TSM103W is particularly suited for applications requiring both operational amplifiers and a stable voltage reference. Key application areas include:
- Power supply management
- Data acquisition systems
- Industrial control systems
- Medical devices requiring precise voltage references
- Automotive electronics where robustness and precision are critical
Q & A
- What is the TSM103W?
The TSM103W is a monolithic IC that includes one independent op-amp and another op-amp with its non-inverting input connected to a 2.5V fixed voltage reference.
- What are the key features of the TSM103W?
Key features include ±0.4% or ±0.7% voltage precision, fixed 2.5V output voltage reference, low input offset voltage, medium bandwidth, and low supply current.
- What is the operating temperature range of the TSM103W?
The operating temperature range is from -40°C to 105°C.
- What is the typical output impedance of the TSM103W?
The typical output impedance is 0.2Ω.
- Does the TSM103W have ESD protection?
- What is the supply current per op-amp at VCC = 5V?
The supply current per op-amp is 350µA at VCC = 5V.
- What is the bandwidth of the TSM103W at unity gain?
The bandwidth at unity gain is 0.9MHz.
- What are the common applications of the TSM103W?
- What is the voltage precision of the TSM103W?
The voltage precision is ±0.4% or ±0.7%.
- What is the sink current capability of the TSM103W?
The sink current capability ranges from 1 to 100mA.
