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AS1112,pdf (Full-Color 16-Chan

消耗积分:3 | 格式:rar | 大小:133 | 2010-09-06

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The AS1112 is a 16-channel, constant current-sink LED driver. Each of the 16 channels can be individually adjusted by 4096-step greyscale PWM brightness control and 64-step constant-current sink (dot correction).

The dot correction circuitry adjusts the brightness variations between the AS1112 channels and other LED drivers. Greyscale control and dot correction circuitry are accessible via the SPI-compatible serial interface. A single external resistor sets the maximum current value of all 16 channels.

The device features two error detection functions. The open LED detection function indicates a broken or disconnected LED at one or more of the outputs. The overtemperature flag indicates that the device is in an overtemperature condition.

The AS1112 is available in a 32-pin TQFN 5x5 mm package.

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