Texas Instruments

TLV3404CD

TLV3404CD Description

The TLV3404CD is a general-purpose comparator from Texas Instruments, designed for a wide range of applications requiring precise voltage comparison. This device features four independent comparators in a single package, making it highly versatile for various electronic designs. The TLV3404CD operates within a supply voltage range of 2.5V to 16V for single supply and ±1.25V to ±8V for dual supply, offering flexibility in power requirements. It has a maximum input offset voltage of 3.6mV at 15V, ensuring high accuracy in voltage comparison tasks. The comparator also boasts a low quiescent current of 950nA, making it suitable for low-power applications. With a maximum propagation delay of 300µs, the TLV3404CD provides quick response times, essential for real-time signal processing. The device is housed in a surface-mount package, specifically a tube, which is ideal for automated assembly processes. Despite being marked as obsolete, the TLV3404CD remains a reliable choice for engineers looking for a robust and efficient comparator solution.

TLV3404CD Features

• High CMRR and PSRR: The TLV3404CD offers a typical common-mode rejection ratio (CMRR) of 88dB and a power supply rejection ratio (PSRR) of 105dB. These high values ensure that the comparator can accurately compare voltages even in the presence of noise and power supply variations.
• Low Quiescent Current: With a maximum quiescent current of 950nA, the TLV3404CD is highly energy-efficient, making it suitable for battery-operated and low-power applications.
• Low Input Bias Current: The maximum input bias current is 250pA at 15V, which minimizes the loading effect on the input signal sources, ensuring accurate voltage comparisons.
• Wide Operating Temperature Range: The TLV3404CD operates within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.
• Fast Propagation Delay: The maximum propagation delay of 300µs ensures that the comparator can quickly respond to changes in input signals, making it ideal for applications requiring rapid decision-making.
• Surface-Mount Package: The surface-mount package type facilitates easy integration into modern printed circuit boards (PCBs), supporting efficient manufacturing processes.
• Compliance and Status: The TLV3404CD is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard environmental conditions.

TLV3404CD Applications

The TLV3404CD is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Processing: The low input offset voltage and high CMRR make the TLV3404CD ideal for applications requiring precise signal comparison, such as in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• Battery Management Systems: The low quiescent current and wide operating voltage range make it suitable for monitoring battery levels and ensuring efficient power management.
• Industrial Automation: The fast propagation delay and wide operating temperature range make the TLV3404CD suitable for industrial applications where quick and reliable signal processing is crucial.
• Consumer Electronics: The surface-mount package and compliance with environmental standards make it a good fit for consumer electronics where space and environmental impact are considerations.

Conclusion of TLV3404CD

The TLV3404CD from Texas Instruments is a versatile and reliable general-purpose comparator that offers a combination of high performance and low power consumption. Its high CMRR and PSRR, low quiescent current, and low input bias current make it an excellent choice for precise voltage comparison tasks. The fast propagation delay and wide operating temperature range further enhance its suitability for a variety of applications, from signal processing to battery management. Despite being marked as obsolete, the TLV3404CD remains a valuable component for engineers seeking a robust and efficient comparator solution.