Datasheet

4
Recommended Operating Conditions
Parameter Symbol Min. Typ. Max. Units
Supply Voltage V
DD
4.5 5.0 5.5 V
Electrical/Optical Characteristics over Operating Temperature Range
4.5 < V
DD
< 5.5 V (unless otherwise speci ed)
-25°C
[1]
Parameter Symbol Min. Typ. Max. Max. Units Test Conditions
Blank Current I
DD
(blnk) 1.0 4.0 mA All Digits Blanked
Input Current I
I
–40 10 A V
IN
= 0 V to V
DD
V
DD
= 5.0 V
Input Voltage High V
IH
2.0 V
DD
V
Input Voltage Low V
IL
GND 0.8 V
I
DD
4 Digits I
DD
(#) 110 130 160 mA “#” ON in All Four Locations
20 dots/character
[2,3]
Notes:
1. V
DD
= 5.0 V.
2. Average I
DD
measured at full brightness. Peak I
DD
= 28/15 x Average I
DD
(#).
3. I
DD
(#) max. = 130 mA, 150°C IC junction temperature and V
DD
= 5.5 V.
Optical Characteristics at 25°C
[1]
VDD = 5.0 V at Full Brightness
AlGaAs Red HDLS-1414
Parameter Symbol Min. Typ. Units Test Conditions
Average Luminous Intensity per Digit, I
V
4.0 12.7 mcd “*” Illuminated in All Four Digits.
Character Average 19 Dots ON per Digit.
Peak Wavelength 
PEAK
645 nm
Dominant Wavelength
[2]

D
637 nm
AlGaAs Red HDLU-1414
Parameter Symbol Min. Typ. Units Test Conditions
Average Luminous Intensity per Digit, I
V
1.2 3.1 mcd “*” Illuminated in All Four Digits.
Character Average 19 Dots ON per Digit.
Peak Wavelength 
PEAK
645 nm
Dominant Wavelength
[2]

D
637 nm