BH2223FV,BH2221FV
Technical Note
3/7
www.rohm.com
2010.06 - Rev.B
2010 ROHM Co., Ltd. All rights reserved.
●Pin Description / Block Diagrams
(BH2223FV)
Fig.2
(BH2221FV)
Terminal
name
Function
1
AO2
Analog output terminal
2
AO3
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
VCC
Power source terminal
10
AO10
Analog output terminal
11
NC
Not connected yet
12
LD
Serial data load input erminal
13
CLK
Serial clock input terminal
14
DI
Serial data input terminal
15
AO1
Analog output terminal
16
GND
Ground terminal
Terminal
name
Function
1
NC
Not connected yet
2
AO3
Analog output terminal
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
AO10
10
VDD
D/A converter standard
power source terminal
11
VCC
Power source terminal
12
AO11
Analog output terminal
13
AO12
14
NC
Not connected yet
15
LD
Serial data
16
CLK
Serial clock input terminal
17
DI
Serial data input terminal
18
AO1
Analog output terminal
19
AO2
20
GND
Ground terminal
2
AO3
Serial
Interface
VCC
PowerOn
Reset
VCC
GND
R2R
REG
VCC
3
AO4
1
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
R2R
REG
VCC
16
AO2
15
AO1
14
DI
13
CLK
12
LD
11
NC
10 AO10
9
VCC
2
AO3
Serial
Interface
VCC
PowerOn
Reset
VCC
20 GND
R2R
REG
VDD
VCC
3
AO4
1
NC
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
AO10
10
VDD
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
R2R
REG
VDD
VCC
19
AO2
18
AO1
17
DI
16
CLK
15
LD
14
NC
13 AO12
12 AO11
11
VCC
Fig.3
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