HI1178 Datasheet (Intersil Corporation)

HI1178, 3-Channel D/A Converter

PIN NO.

1 to 8 9 to 16 17 to 24 SYMBOL R0 to R7 G0 to G7 B0 to B7 24 DVSS 1 EQUIVALENT CIRCUIT DVDD DESCRIPTION Digital input.

25 BLK DVDD Blanking pin.

No signal at “H” (Output 0V).

Output condition at “L”.

25 DVSS 32 VB DVDD Connect a capacitor of about 0.1µF.

DVDD 32 + - DVSS 2

® oH S nd R a e e -Fr Sheet PbData Co ant mpli HI1178 October 25, 2005 FN4115.4 Triple 8-Bit, 40MSPS, RGB, 3-Channel D/A Converter The HI1178 is a triple 8-bit, high-speed, CMOS D/A converter designed for video band use.

It has three separate, 8-bit, pixel inputs, one each for red, green, and blue video data.

A single 5.0V power supply and pixel clock input is all that is required to make the device operational.

A bias voltage generator is internal.

Each channel clock input can be controlle