TLV3404IPWG4

Current - Output (Typ):	10mA
Base Part Number:	TLV3404
Supplier Device Package:	14-TSSOP
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Hysteresis:	--
Propagation Delay (Max):	300µs
CMRR, PSRR (Typ):	88dB CMRR, 105dB PSRR
Current - Quiescent (Max):	950nA
Series:	--
Current - Input Bias (Max):	250pA @ 15V
Voltage - Input Offset (Max):	3.6mV @ 15V
Voltage - Supply, Single/Dual (±):	2.7 V ~ 16 V, ±1.35 V ~ 8 V
Output Type:	CMOS, Open-Drain
Number of Elements:	4
Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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TLV3404IPWG4 Application Field and Working Principle

The TLV3404IPWG4 is an IC (Integrated Circuit) belonging to the Linear-Comparators category. It is a low-power, dual low-voltage, CMOS comparator. The TLV3404IPWG4 is designed to operate from dual 2.7V to 5.5V supply, with either positive or negative supply being 5V tolerant. This device is ideal for high-speed precision applications and offers high level of noise immunity and extended temperature range.

Feature

The main features of the TLV3404IPWG4 include:

• High speed, 3V- and 5V-tolerant comparator (1MHz typical for VDD = 5V and GND = 0V)
• Very low quiescent and supply current (500µA typically)
• Low voltage operation (2.7V typical)
• Low input offset voltage and low input current
• Rail-to-Rail input and output operation
• Output type: Totem-Pole CMOS (push-pull)
• Availability in Space Qualified and Commercial Grades

Application

The TLV3404IPWG4 is suitable for a wide range of applications including:

• Battery powered systems
• Low-power applications (LCD, LEDs, backlighting display control)
• Switch debouncers
• Interfacing between logic and analog circuits
• Event counters and frequency dividers
• Logic level converters
• Data conversion
• Human machine interfaces (HMI)

Working Principle

The TLV3404IPWG4 is a dual output, CMOS-based, low-voltage, low-power comparator. This comparator uses the internal voltage reference with a voltage range of 2.7V to 5.5V and features an open-drain output. The input signal (positive and negative inputs AINN and AIPP) is compared with the internal reference and in case of a match, a designated logical signal is output onto the output pins (Q and QP) in the form of a 0 or 1.The PNP transistor supplies the voltage reference for the TLV3404IPWG4, whereas a PMOS transistor ensures the proper current flow. The circuit works on the principle of negative feedback, which allows the user to adjust the reference depending on the input conditions.The TLV3404IPWG4 also has various control pins including the enable pin (EN), which is used to enable or disable the IC. There are also pins for controlling the hysteresis (CR) and limiting the output current (CSP).

Conclusion

The TLV3404IPWG4 Dual Comparator is a low-power, low-voltage IC that is ideal for interfacing between logic and analog circuits, switch debouncers and logic level converters. It is suitable for a wide range of mobile and battery-powered applications. With its various control pins, the TLV3404IPWG4 is able to provide flexibility and precision.

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