LDS-C304RI

Display Type:	7-Segment
Package / Case:	14-DIP (0.300", 7.62mm), 10 Leads
Power Dissipation (Max):	105mW
Wavelength - Peak:	635nm
Millicandela Rating:	3.5mcd
Current - Test:	10mA
Voltage - Forward (Vf) (Typ):	2V
Color:	Red
Common Pin:	Common Cathode
Series:	--
Digit/Alpha Size:	0.31" (7.87mm)
Size / Dimension:	0.752" H x 0.401" W x 0.240" D (19.10mm x 10.18mm x 6.10mm)
Number of Characters:	1
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The LDS-C304RI is a 4-digit, 7.6mm character height, ultra-low power LCD display module featuring superb light transmission, wide viewing angle and wide temperature range. It is designed to fit in a very compact space and offer enhanced visual experience with minimal power consumption. This product is for use in a wide range of applications including hand-helds and test and control applications.

Application Field

The LDS-C304RI displays are suitable for multiple applications, including automotive, medical, industrial, and consumer sectors. Stationary navgation devices and medical testing equipment require easy reading of highly visible information. In the automotive sector, OBD-II displays require improved visibility under varying lighting conditions. The LDS-C304RI display provides significant enhancements in dynamic range, enabling improved viewability in ambient/wildlight conditions and improved operating distance as well.

Uses

The LDS-C304RI can be used in a variety of applications. It is suitable for a wide range of uses including industrial control, process control and monitoring, test and measurement, device programming, diagnostics, and general instrumentation. It is designed for use in environments where static electricity may be present, and auto-blanking features protect against potentially dangerous voltages.

Working Principle

The LDS-C304RI LCD display module operates on a 5V supply, in either positive or negative power supply mode. It consists of eight individual, seven-segment, common anode or cathode LCD display elements, which are connected through a low-power LCD drive circuit. The LCD drive circuit uses the charge transfer technique, consisting of a time-multiplexed driving waveform and a DC bias. The time-multiplexed waveform is generated by an oscillator, which is connected to a clock line. Each LCD display element also has a separate power line, enabling it to be selected independently. When the power line of a particular LCD display element is activated, an oscillating waveform is applied to the clock line, allowing the charge to be transferred from one pixel to the next. This process is repeated until all of the display elements in the module have been selected and written.

Conclusion

The LDS-C304RI 4-digit LCD display module is a versatile and powerful display platform, ideal for a variety of applications. Thanks to its low power consumption, wide viewing angle and wide temperature range, it is suitable for use in hand-helds, automotive, medical, industrial, and consumer sectors alike. Its innovative LCD drive circuit uses the charge transfer technique and a low-power oscillator to ensure highly visible, accurate displays.

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