Overview
The TS7221BILT is a single BiCMOS rail-to-rail micropower comparator produced by STMicroelectronics. This device is designed for space and weight-critical applications, featuring a tiny SOT23-5 package. It is fully specified for operation at 2.7 V, 5 V, and 10 V, making it versatile for a wide range of applications. The TS7221BILT is characterized by its ultra-low power consumption and high speed, making it ideal for battery-powered systems, notebooks, PDAs, and other mobile communications devices.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | 10 | V | |
| Input Offset Voltage (VIO) | 7 | 10 | 15 | mV |
| Input Bias Current (IIB) | 1 | 300 | 600 | pA |
| Input Offset Current (IIO) | 1 | 150 | 300 | pA |
| Common Mode Rejection Ratio (CMRR) | 65 | 75 | dB | |
| Power Supply Rejection Ratio (PSRR) | 80 | dB | ||
| Supply Current (ICC) | 6 | 8 | 14 | µA |
| Response Time (TPLH/TPHL) | 0.5 | 1.5 | µs | |
| ESD Protection | 2000 V (HBM), 200 V (MM) | V |
Key Features
- Rail-to-rail inputs
- Open drain output
- Ultra-low power consumption: typical supply current of 6 µA at 5 V
- Fast response time: 0.5 µs at 5 V
- Low input current
- ESD protection: 2 kV (HBM), 200 V (MM)
- Available in tiny SOT23-5 package
Applications
- Battery-powered systems
- Notebooks and PDAs
- PCMCIA cards
- Cellular and mobile communications
- Alarms and security systems
- To replace amplifiers used in comparator configurations for improved performance
Q & A
- What is the supply voltage range for the TS7221BILT?
The supply voltage range for the TS7221BILT is from 2.7 V to 10 V.
- What is the typical supply current of the TS7221BILT at 5 V?
The typical supply current is 6 µA at 5 V.
- What is the response time of the TS7221BILT?
The response time is 0.5 µs at 5 V.
- Does the TS7221BILT have ESD protection?
- In what package is the TS7221BILT available?
The TS7221BILT is available in a tiny SOT23-5 package.
- What are some common applications of the TS7221BILT?
Common applications include battery-powered systems, notebooks, PDAs, PCMCIA cards, cellular and mobile communications, and alarms and security systems.
- What is the input offset voltage range for the TS7221BILT?
The input offset voltage range is typically 10 mV, with a maximum of 15 mV.
- What is the common mode rejection ratio (CMRR) of the TS7221BILT?
The CMRR is 65 dB to 75 dB depending on the supply voltage.
- Can the TS7221BILT replace amplifiers used in comparator configurations?
- What is the thermal resistance junction to ambient (Rthja) for the TS7221BILT in an SOT23-5 package?
The thermal resistance junction to ambient (Rthja) is typically 250 °C/W.
