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The LM3915 is an audio-level display driver IC. It offers a simple way to display a logarithmic voltage level using one or more groups of ten LEDs with a minimum of fuss. The LM3915 monolithic IC senses analog voltage levels and drives ten LEDs, LCDs, or vacuum fluorescent displays with only a single resistor. Each LED connected to the LM3915 represents a 3 dB (decibel) change in the power level of the sensed signal.
The LEDs can appear in a bar graph or single ‘dot’ when in use so it is so commonly used with 5x5 Dot Matrix displays or the 10-segment LED bar display. The LM3915 IC has an operating voltage from 3V to 25V. The internal reference voltage for the IC can be set from 1.2V to 12V and the output current can be programmed to be from 2mA to 30mA according to the LED that is being driven.
Product Description of LM3915 Dot/Matrix Display Driver IC
Features of LM3915 Dot/Matrix Display Driver IC
- Drives LEDs, LCDs, or vacuum fluorescents
- Bar or dot display mode externally selectable by the user
- 3 dB/step, 30 dB range
- Operates with a single supply of 3 V to 25 V
- Input withstands ±35V without damage
- Outputs are current regulated, open collectors
- Output current programmable from 1 mA to 30 mA
- Internal voltage reference from 1.2V to 12V
- Operating Temperature: 0 to 70 °C
Additional Resources
Package Contents
1 x LM3915 Dot/Matrix Display Driver IC
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
We ship to all over India with free shipping on all prepaid orders above 500. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. Please contact to our support team at support@quartzcomponents.com for any question related to shipping.
Please note that the Minimum Order Value is INR 500 for COD orders.