BU2505FV Datasheet, PDF (2/4 Pages) Rohm – 10bit 10-channel D/A converter

Optical disc ICs
zBlock diagram
BU2505FV
GND
AO2
AO1
DI
CLK
LD
Do
AO10
AO9
VCC
20
19
18
17
16
15
14
13
12
11
10bit R-2R
D/A converter
ch2
10bit Latch
D/A
1
L
14bit
Shift register
D0 1 2 3 4 5 6 7 8 9 D10 1112 13
Address
Decoder
D/A
10
L
D/A
9
L
10bit Latch
ch3
10bit R-2R
D/A converter
L
4
D/A
Buffer
Operational
Amplifier
L
5
D/A
L
6
D/A
L
7
D/A
L
8
D/A
1
2
3
4
5
6
7
8
9
10
VSS
AO3
AO4
AO5
Reverse Reset
AO6
AO7
AO8
VDD
(VrefL)
(VrefH)
2/3