STMicroelectronics LM2903WHYST Dual Differential Comparator

The LM2903WHYST is a high-performance dual differential comparator manufactured by STMicroelectronics, designed to provide a reliable solution for a wide range of applications requiring voltage comparison. This precision device is capable of operating over a single or dual supply voltage range, making it versatile for both industrial and consumer products.

Constructed with low-power consumption in mind, the LM2903WHYST operates efficiently, which is essential for battery-powered devices. Each of the two independent voltage comparators is designed to directly interface with TTL, CMOS, and other logic systems, ensuring seamless integration with digital components.

The LM2903WHYST boasts a wide supply voltage range from 2V to 36V for single supply operations and ±1V to ±18V for dual supply configurations. This flexibility allows the device to be used in environments with varying power supplies without compromising its performance. The comparators feature a typical input offset voltage of 2mV and an input offset current of 5nA, ensuring high accuracy in voltage comparison tasks.

Key specifications of the LM2903WHYST include:

• Low input bias current: 25nA typically
• Low input offset current: 5nA typically
• Wide single-supply voltage range: 2V to 36V
• Wide dual-supply voltage range: ±1V to ±18V
• Low supply current drain independent of supply voltage: 0.4mA typically
• Low input offset voltage: 2mV typically
• Input common-mode voltage range includes ground
• Differential input voltage range equal to the supply voltage
• Output voltage compatible with TTL, MOS, and CMOS logic systems

The device is packaged in a TSSOP-8 package, making it compact and suitable for space-constrained applications. Its operating temperature range of -40°C to +125°C ensures reliable operation under extreme conditions. With its high performance and robust design, the LM2903WHYST is an excellent choice for applications such as limit comparators, simple analog-to-digital converters, pulse, square wave, and time delay generators, among others.

Overall, the LM2903WHYST from STMicroelectronics represents a dependable and versatile solution for any design that requires precise voltage comparison with the added benefit of low power consumption and high integration flexibility.