Features: • 38 segment outputs• Noise reduction circuits are built into the output drivers. • Serial data input supports CCB* format communications with the system controller.• Switching between digital and analog dimmers under serial data control• High generality sin...
LC7573N: Features: • 38 segment outputs• Noise reduction circuits are built into the output drivers. • Serial data input supports CCB* format communications with the system controller.̶...
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• 38 segment outputs
• Noise reduction circuits are built into the output drivers.
• Serial data input supports CCB* format communications with the system controller.
• Switching between digital and analog dimmers under serial data control
• High generality since display data is displayed withou the intervention of a decoder
• All segments can be turned off with the BLK pin
Parameter |
Symbol |
Conditions |
Ratings |
Unit |
Maximum supply voltage |
VDD max |
VDD |
0.3 to +6.5 |
V |
VFL max |
VFL |
0.3 to +21.0 |
V | |
Input voltage |
VIN1 |
DI, CL, CE, BLK, DIM |
0.3 to +6.5 |
V |
VIN2 |
OSC |
0.3 to VDD + 0.3 |
V | |
Output voltage |
VOUT1 |
S1 to S19, G1, G2 |
0.3 to VFL + 0.3 |
V |
VOUT2 |
OSC |
0.3 to VDD + 0.3 |
V | |
Output current |
IOUT1 |
S1 to S19 |
5 |
mA |
IOUT2 |
G1, G2 |
30 |
mA | |
Allowable power dissipation |
Pd max |
Ta = 85°C |
150 |
mW |
Operating temperature |
Topr |
40 to +85 |
°C | |
Storage temperature |
Tstg |
50 to +125 |
°C |
The LC7573N and LC7573NM are 1/2 duty VFD drivers that can be used for electronic tuning frequency display and other applications under the control of a controller. These products can directly drive VFDs with up to 38 segments.