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MAX6964ATG

Maxim Integrated

17-Output LED Driver/GPO

MAX6964 19-3179; Rev 3; 3/05 EVAALVUAAILTAIOBNLEKIT 17-Output LED Driver/GPO with Intensity Control and Hot-Insertio...



MAX6964ATG

Maxim Integrated


Octopart Stock #: O-1491243

Findchips Stock #: 1491243-F

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Description
MAX6964 19-3179; Rev 3; 3/05 EVAALVUAAILTAIOBNLEKIT 17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection General Description The MAX6964 I2C-compatible serial interfaced peripheral provides microprocessors with 17 output ports. Each output is an open-drain current-sinking output rated at 50mA and 7V. The outputs are capable of driving LEDs, or providing logic outputs with external resistive pullup up to 7V. Eight-bit PWM current control is also integrated. Four of the bits are global control and apply to all LED outputs to provide coarse adjustment of current from fully off to fully on with 14 intensity steps. Additionally, each output has an individual 4-bit control, which further divides the globally set current into 16 more steps. Alternatively, the current control can be configured as a single 8-bit control that sets all outputs at once. Each output has independent blink timing with two blink phases. LEDs can be individually set to be either on or off during either blink phase, or to ignore the blink control. The blink period is controlled by an external clock (up to 1kHz) on BLINK or by a register. The BLINK input can also be used as a logic control to turn the LEDs on and off, or as a general-purpose input (GPI). The MAX6964 supports hot insertion. The SDA, SCL, RST, BLINK, and the slave address input ADO remain high impedance in power-down (V+ = 0V) with up to 6V asserted upon them. The output ports remain high impedance with up to 8V asse...




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