LTC-4727JD

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The LTC-4727JD is a monolithic integrated dual character display module developed by Linear Technology Corporation. This device integrates popular 5 × 7 dot matrix characters, an on-chip microcontroller, a driver circuit, and an LED character or numeric display.

The LTC-4727JD is designed for applications with limited space, requiring only a single +5 V supply voltage. It can be used to display two 8-character alphanumeric text strings, or for displaying temperature and other sensed parameters. The device is ideal for display in instrumentation, data human-interface panels (HIPs), and automated control systems, including industrial process control displays.

The LTC-4727JD has a wide operating temperature range (from -40°C to +85°C), which makes it suitable for harsh industrial environments. The low power consumption of the device, coupled with its large, easy-to-read dot matrix characters, make it the ideal choice for many applications.

The LTC-4727JD application field covers a wide range of displays, including instrumentation, data human-interface panels (HIPs), and automated control systems. The device can display two 8-character alphanumeric text strings, or for displaying temperature and other sensed parameters. The device is suitable for both outdoor and indoor applications.

The working principle of the LTC-4727JD is based on the multiplexing techniques. It multiplexes the two 8-character alphanumeric text strings, or for displaying temperature and other sensed parameters. A separate is used for each character, which is pulse width modulated at an appropriate frequency to increase the visibility of the characters. By adjusting the duty cycle, different brightness levels can be achieved.

The LTC-4727JD has an internal data latch for each character, for more reliable display operation. The two 8-character text strings are displayed on the LED character or numeric display using the internal driver circuit. The device is designed with a power-save function, which can reduce the power consumption when there is no display activity.

In conclusion, the LTC-4727JD is a very powerful LED character or numeric display module, with on-chip microcontroller, driver circuit and multiplexing techniques. The device is an ideal solution for many display applications, such as instrumentation, data human-interface panels (HIPs), and automated control systems. It is suitable for both indoor and outdoor applications and offers a wide operating temperature range.

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