MAX6970AAE+

MAX6970AAE+ is an 8-port, 36V constant current LED driver in a 16 pin SSOP package. This serial interfaced LED driver provides eight open-drain, constant-current-sinking LED driver outputs rated at 36V. The constant current outputs are programmed together up to 55mA using a single external resistor and operates with a 25Mbps, industry standard, 4-wire serial interface. It uses industry-standard shift-register plus latch-type serial interface. The driver accepts data shifted into an 8bit shift register using data input DIN and clock input CLK. Input data appears at output DOUT eight clock cycles later to allow cascading of multiple MAX6970's. It is used for variable message signs, marquee displays, point of order signs, traffic signs, gaming features and architectural lighting.

• Operating voltage range from 3V to 5.5V
• Eight constant-current LED outputs rated at 36V
• Output current programmed by single resistor
• 3% current matching between outputs
• 6% current matching between ICs
• Operating temperature range from -40°C to 125°C

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