LM3915N-1 National Semiconductor, LM3915N-1 Datasheet - Page 16

• Manufacturer Part Number: LM3915N-1
• Description: IC, DOT/BAR DISPLAY DRIVER, DIP-18
• Manufacturer: National Semiconductor

Specifications of LM3915N-1

• Led Driver Application: VU Meter, Power Meters
• No. Of Outputs: 10
• Output Current: 30mA
• Input Voltage: 3V To 25V
• Dimming Control Type: Analog
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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Typical Applications
This application shows that the LED supply requires minimal filtering.
*See Application Hints for optional Peak or Average Detector.
†
Adjust R3 for 3 dB difference between LED #11 and LED #12.
LED
1
2
3
4
5
Threshold
110 mV
160 mV
220 mV
60 mV
80 mV
(Continued)
Extended Range VU Meter
Vibration Meter
16
LED
10
6
7
8
9
00510421
Threshold
320 mV
440 mV
630 mV
890 mV
1.25V
00510420