sm5308av Nippon Precision Circuits Inc, (NPC), sm5308av Datasheet - Page 19

• Manufacturer Part Number: sm5308av
• Description: 3-channel Video Buffer With Built-in Wideband Lpf
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

SM5308AV
Filter Bypass Mode
In filter bypass mode, the internal lowpass filter in SM5308AV is bypassed and the signal is input to the output
buffer stage directly. In filter bypass mode, the input type and output gain are set just as for filter mode. But the
cutoff frequency setting and fc mode setting have no effect on the outputs. In this mode, the passband fre-
quency is 80MHz (typ), which can support SXGA-class signals.
Power-ON Reset
When power is applied, an internal power-ON reset circuit operates initializing the internal register flags to
their default settings. At power-ON, all supplies should be applied simultaneously.
Reference Voltage (REF)
The REFn pins (n = 1, 2, 3) are internal reference voltage outputs. A 10 µF capacitor connected between pin
and ground is recommended for stability of movement. REF1, REF2, and REF3 are independent reference
voltage outputs, and have no correspondence with settings of CH-1, CH-2, and CH-3. In disable mode, they are
high impedance outputs.
SEIKO NPC CORPORATION —19