ICs & ChipsCode 4473507895
LM3915
Analog Controlled LED Driver IC with Logarithmic output
- Delivery in 2 to 4 working daysFree in Islamabad & Rawalpindi above Rs 5,000
- Cash on deliveryPay when your parcel arrives
- 7-day checking warrantyDead-on-arrival items replaced
- Packed with careAnti-static & padded packaging
Highlights
- Analog Controlled LED Driver IC with Logarithmic output
- LED incremented by one step for every 3dB
- Monitor upto 30dB using 10 LEDs
- Both Dot/Bar mode available
- Available in 18-pin DIP, PLCC package
Specifications
- Pin Number
- Pin Name
- 1 and 10 to 18
- LED1, LED2, LED3…..LED10
- Number of controllable LEDs
- 10
- Operating Voltage
- 3V to 25V
- Reference Voltage
- 1.2V to 12V
- LED sink current
- 1mA to 30mA (programmable)
About this product
The LM3915 is a Logarithmic Display Driver IC commonly used in visualizing audio signals. It can drive both 10-segment Bar LED and Dot Matrix LED. The IC also allows the reference voltage and LED current to be easily programmed based on the application by selecting the right value of resistors.
Pin Configuration
Pin Number
Pin Name
Description
1 and 10 to 18
LED1, LED2, LED3…..LED10
The 10 LEDs which has to be controlled is connected to these pins
2
V- / Ground
Ground pin of the IC
3
V+ / Vcc
Supply Voltage (3-18)V
