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Multimedia ICs
3-channel 8-bit D / A converter
BU3618K
The BU3618K is an RGB 3-channel, 8-bit D / A converter CMOS IC featuring high speed and low power consumption. An internal reference voltage supply eliminates the need to provide an external reference voltage supply.
Applications • Video-CDs, CD-Vs, CD karaoke sets
Features • 1) 8-bit resolution. 2) Current output model. 3) Low power consumption.
4) High-speed operation enabled. 5) Internal reference voltage supply. 6) TTL input.
•Block diagram
DGND1 AGND1 2 DVDD1 11 10 9 8 7 6 5 4 3 IREF 1 R1 R2 R3 R4 R5 R6 R7
R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6
12 13 14 LATCH 15 16 17 18 19 20 21 22 DECODER DECODER DECODER VREF
44 43 42 41 40 39 CURRENT CELL 38 37 LATCH CURRENT CELL 36 35 34
OUTR AVDDR AGNDR N.C. OUTG AVDDG AGNDG N.C.
BU3618K Datasheet
