LM3915MWC National Semiconductor Corporation, LM3915MWC Datasheet - Page 15

• Manufacturer Part Number: LM3915MWC
• Description: Dot/bar Display Driver
• Manufacturer: National Semiconductor Corporation

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.
(Continued)
Extended Range VU Meter
LED
10
Vibration Meter
1
2
3
4
5
6
7
8
9
15
Threshold
110 mV
160 mV
220 mV
320 mV
440 mV
630 mV
890 mV
1.25V
60 mV
80 mV
DS005104-21
DS005104-20
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