bh2222fv ROHM Co. Ltd., bh2222fv Datasheet - Page 2

• Manufacturer Part Number: bh2222fv
• Description: 8bit 20ch D/a Converter
• Manufacturer: ROHM Co. Ltd.

Standard ICs

Block diagram
GND
V
AO1
AO2
AO3
AO4
AO5
AO6
AO7
AO8
V
EX1
EX2
V
DD2
DD1
CC
10
11
12
13
14
1
2
3
4
5
6
7
8
9
V
DD2
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
V
DD1
V
CC
POWER_ON
RESET
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
EXD
DEC
EXD
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
+
+
+
+
+
+
+
+
+
+
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
8bitREG
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
EXD
EXD
Serial interface
+
+
+
+
+
+
+
+
+
+
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
R-2R
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
Rev.A
BH2222FV
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLK
DI
EX4
EX3
AO16
AO15
AO14
AO13
AO12
AO11
AO10
AO9
SEL
LD
2/3