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TB62709F-TB62709N
7-SEGMENT DRIVERS WITH BUILT-IN DECODERS (COMMON ANODE CAPABILITY, MAXIMUM 4-DIGIT CONTROL)
TOSHIBA Bi-CMOS IntegratedCircuit Silicon Monolithic
TB62709N/FTB62709N/FTB62709N/FTB62709N/FTB62709N/FIntelligent, Constant Current, 7 segment LED numeric display
decoder/driver. For use with common anode configuration
numeric displays.
The TB62709N/F is an intelligent Constant Current LED displaydriver designed specifically for seven segment LED display ap-
plications. The stand alone device includes all of the decode,
multiplex and driver circuitry necessary to control up to four seven
segment LED digits. All of the information required to program
up to four LED digits is input serially including a 16 step bright-ness control. Expansion beyond four digits is possible with a
cascade connection to a second device. The device automati-
cally refreshes and maintains the displayed information.
Features Constant Current segment drivers for consistent display
brightness. Single device saves labor and board space.• Internal character set simplifies design efforts. Automatically handles multiplex and display refresh tasks. 16 step programmable brightness control. Single device controls up to four digits. Available in thru hole and surface mount packages.• Data out cascade port for expansion beyond four digits.
Performance CharacteristicsDD = 4.5V~5.5V
Digit enable: 17V / 400mA
Segment select: 17V / 0-40mA
Max transition frequency: 15Mhz