Overview
The TS372IDT is a low-power dual CMOS voltage comparator manufactured by STMicroelectronics. This device consists of two independent precision voltage comparators designed to operate with single or dual supplies, making it versatile for various applications. The TS372IDT is built using STMicroelectronics' silicon gate MOS process, which provides an excellent consumption-speed ratio, making it ideal for low-power consumption applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC+) | 3 to 16 V or ±1.5 V to ±8 V | V |
| Supply Current (each comparator) | 0.1 mA (typical) | mA |
| Input Bias Current | 1 pA (typical) | pA |
| Input Offset Voltage | 2 to 12 mV | mV |
| Input Common-Mode Voltage Range | VCC+ - 2 to VCC+ - 2.5 V | V |
| Output Saturation Voltage | 150 mV (typical) | mV |
| Output Compatibility | TTL, MOS, CMOS | - |
| Input Impedance | 10^12 Ω (typical) | Ω |
| Response Time | 200 ns (typical for TTL level input step) | ns |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | SO-8 | - |
Key Features
- Wide single supply range or dual supplies (3 V to 16 V or ±1.5 V to ±8 V)
- Very low supply current: 0.1 mA/comparator independent of supply voltage
- Extremely low input bias current: 1 pA typical
- Low input offset voltage and extremely low input offset currents
- Input common-mode voltage range includes GND
- Low output saturation voltage: 150 mV typical
- Output compatible with TTL, MOS, and CMOS
- High input impedance: 10^12 Ω typical
- Fast response time: 200 ns typical for TTL level input step
Applications
- Battery-powered electronics
- General-purpose portable devices
- General-purpose low-voltage applications
Q & A
- What is the supply voltage range for the TS372IDT?
The TS372IDT can operate with a supply voltage range of 3 V to 16 V or ±1.5 V to ±8 V.
- What is the typical supply current for each comparator?
The typical supply current for each comparator is 0.1 mA, independent of the supply voltage.
- What is the input bias current of the TS372IDT?
The input bias current is extremely low, typically 1 pA.
- What is the output compatibility of the TS372IDT?
The output is compatible with TTL, MOS, and CMOS.
- What is the response time of the TS372IDT for a TTL level input step?
The response time is typically 200 ns for a TTL level input step.
- What is the operating temperature range for the TS372IDT?
The operating temperature range is -40°C to +125°C.
- What type of package is the TS372IDT available in?
The TS372IDT is available in an SO-8 package.
- What are some common applications for the TS372IDT?
Common applications include battery-powered electronics, general-purpose portable devices, and general-purpose low-voltage applications.
- What is the input common-mode voltage range for the TS372IDT?
The input common-mode voltage range includes GND and extends up to VCC+ - 2 to VCC+ - 2.5 V.
- How does the TS372IDT handle unused channels?
If one of the two channels is not used, it must be configured with a differential input voltage greater than 100 mV to avoid switching.
