max4885ae应用电路图
the max4885ae integrates high-bandwidth analog switches, level-translating buffers, and level-translating fet switches to implement a complete 2:1 multiplexer for vga signals. the device provides three very high-frequency 900mhz (typ) spdt switches for rgb signals, two low-frequency clamping switches for the ddc signals, a pair of level-translating buffers for the h and v signals and integrated extended esd protection.
horizontal and vertical synchronization (h_/v_) inputs feature level-shifting buffers to support low-voltage controllers and standard 5v-ttl-compatible monitors, meeting the vesa requirement. display data channel (ddc), consisting of sda_ and scl_, are fet switches that protect the low-voltage vga source from potential damage from high-voltage presence on the monitor while reducing capacitive load.
all seven output terminals of the max4885ae feature high-esd protection to ±15kv human body model (hbm) (see the pin description in the full data sheet). all other pins are protected to ±2kv human body model (hbm).
the max4885ae is specified over the extended -40°c to +85°c temperature range, and is available in a space-saving, 28-pin, 4mm × 4mm tqfn package.
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MAX4885AE应用电路图
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