BU3618K Datasheet, PDF (1/6 Pages) Rohm – 3-channel 8-bit D / A converter

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 consump-
tion. 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}
11 10 9 8 7 6 5 4 3 2 1
R0 12
G7 13
G6 14
G5 15
G4 16
G3 ₁₇
G2 18
G1 19
G0 20
B7 ₂₁
B6 22
VREF
CURRENT
CELL
CURRENT
CELL
CURRENT
CELL
44 OUTR
43 AVDDR
42 AGNDR
41 N.C.
40 OUTG
39 ^AVDDG
38 AGNDG
37 N.C.
36 OUTB
35 ^AVDDB
34 AGNDB
23 24 25 26 27 28 29 30 31 32 33
1