LM3914 Dot/Bar Display Driver
Data sheet
Direct substitute(s): NTE1508, ECG1508
by Tony van Roon, CET
Notes:
o 18-pin D.I.L IC.
o Supports 10 Led's, directly driven.
o 10-step DOT/BAR driver for linear scale.
o Only a couple of external components required.
o Works with voltages between 4.5 and 25Vcc.
| Pin # |
Function |
| 1 |
LED1 (On/Off) |
| 2 |
V- (Gnd) |
| 3 |
V+ (Vdc) |
| 4 |
Divider Low |
| 5 |
Signal Input |
| 6 |
Divider High |
| 7 |
Reference Output |
| 8 |
Reference Adjust |
| 9 |
Mode (Dot/Bar) |
| 10 |
LED10 |
| 11 |
LED9 |
| 12 |
LED8 |
| 13 |
LED7 |
| 14 |
LED6 |
| 15 |
LED5 |
| 16 |
LED4 |
| 17 |
LED3 |
| 18 |
LED2 |
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