TLC354IDG4

Current - Output (Typ):	20mA
Base Part Number:	TLC354
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Hysteresis:	--
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	800µA
Series:	LinCMOS™
Current - Input Bias (Max):	5pA @ 5V
Voltage - Input Offset (Max):	5mV @ 5V
Voltage - Supply, Single/Dual (±):	1.4 V ~ 16 V, ±0.7 V ~ 8 V
Output Type:	CMOS, MOS, Open-Drain, TTL
Number of Elements:	4
Type:	Differential
Part Status:	Active
Packaging:	Tube

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Introduction

The TLC354IDG4 is a linear-comparator device designed for applications that involve signal conditioning and signal processing. This device is particularly suitable for interfacing with a variety of signal sources, including ADC\'s, temperature sensors, strain gauges, and other signal-conditioning circuitry. It features low power, low current operation and a wide range of input/output voltage and current ranges.

Application Field

The TLC354IDG4 is a versatile device, capable of a wide range of applications. It can be used in signal conditioning to convert signals from a variety of different sources into a single signal. It is also used in signal processing to evaluate analog signals, detect small changes in signals, switch between multiple signals, and other applications.

Working Principle

The TLC354IDG4 device operates on a linear-comparator principle. The device has two inputs, Vin and Vout, and one output, Vo. Vin is an input signal from a signal source, and Vout is a reference voltage. The comparator works by comparing the input voltage to the reference voltage at all times. If the input voltage is greater than the reference voltage, the output Vo is activated. Conversely, if the input voltage is less than the reference voltage, the output Vo remains inactive.The device also features several functions, including hysteresis and offset, designed to improve the accuracy of the comparator. Hysteresis is a function whereby the output is not only dependent on the input voltage, but also on the previous output. This ensures that the device will not react to small changes in the input voltage, giving it improved accuracy and stability. The offset function ensures that the device will respond to very small differences in the two inputs by adding an offset voltage to one of the inputs.The device also includes an open-drain output, enabling it to be used as an open-drain switch to switch between multiple signals. This is achieved by driving the output low when an input voltage is greater than a certain voltage and driving the output high when an input voltage is less than a certain voltage.

Conclusion

The TLC354IDG4 linear-comparator device is a versatile device capable of a variety of signal-conditioning and signal-processing applications. It features low current operation and numerous functions designed to improve accuracy and stability. The open-drain output allows it to be used as an open-drain switch, enabling it to be used in a wide range of applications.

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