BU2506FV ROHM Co. Ltd., BU2506FV Datasheet - Page 5

• Manufacturer Part Number: BU2506FV
• Description: 10bit 8channels , D/a Converter With Output Buffer
• Manufacturer: ROHM Co. Ltd.

●Command Transmission
1) Reverse = open (or VCC short-circuit) setting
DA出力
2) Reverse = L setting（Data: MSB first ）
＊1 In the BU2506FV, this channel is for testing, therefore, do not designate.
DA出力
CLK
LD
CLK
(1) Data format
(2) Data timing diagram
(1) Data format
(2) Data timing diagram
DI
output
LD
DI
D13
D13
output
Last
MSB
Last
MSB
(Data: LSB first)
0
0
0
0
1
1
0
1
0
1
0
1
:
:
Ｄ13 Ｄ12
Ｄ4
Ｄ5
LSB
Ｄ0
D12
D12
LSB
Ｄ0
Ｄ11 Ｄ10
0
0
0
0
1
1
0
0
1
1
1
1
:
Ｄ6
:
For D/A converter output setting
For D/A converter output setting
Ｄ／Ａｺﾝﾊﾞｰﾀ出力設定用
Ｄ／Ａｺﾝﾊﾞｰﾀ出力設定用
Ｄ1
Ｄ7
Ｄ1
D11
D11
Ｄ8
Ｄ9
0
0
0
0
1
1
0
0
0
0
1
1
Ｄ2
:
:
Ｄ2
Ｄ9
Ｄ8
Ｄ3
Ｄ3
Ｄ10 Ｄ11 Ｄ12 Ｄ13
D10
D10
Ｄ7
0
0
0
0
1
1
0
0
0
0
1
1
:
:
Ｄ6
Ｄ5
D9
D9
0
0
0
0
1
1
0
0
0
0
1
1
:
:
Ｄ11
Ｄ11
Ｄ4
Ｄ12
Ｄ12
Ｄ3
D8
D8
Ｄ3
0
0
0
0
0
1
1
For address selection
0
0
0
1
1
For address selection
:
:
ｱﾄﾞﾚｽ選択用
ｱﾄﾞﾚｽ選択用
Ｄ2
MSB
Ｄ13
Ｄ2
MSB
Ｄ13
D7
D7
Ｄ1
Ｄ1
0
0
0
0
0
1
1
0
0
0
1
1
:
:
5/8
First
LSB
First
LSB
Ｄ0
Ｄ0
D6
D6
0
0
0
0
1
1
0
0
0
0
1
1
:
:
Ｄ3
D5
D3
D5
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
:
:
Ｄ2
D4
D4
D2
0
1
0
1
0
1
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
:
:
D/A output (VrefH=VDD, VrefL=VSS)
(VrefH-VrefL)/1024×1+VrefL
(VrefH-VrefL)/1024×2+VrefL
(VrefH-VrefL)/1024×3+VrefL
(VrefH-VrefL)/1024×1022+VrefL
(VrefH-VrefL)/1024×1023+VrefL
D/A output (VrefH=VDD, VrefL=VSS)
(VrefH-VrefL)/1024×1+VrefL
(VrefH-VrefL)/1024×2+VrefL
(VrefH-VrefL)/1024×3+VrefL
(VrefH-VrefL)/1024×1022+VrefL
(VrefH-VrefL)/1024×1023+VrefL
Ｄ1
VrefL
VrefL
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Ｄ0
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
:
Inconsequential
AO1 selection
AO2 selection
AO3 selection
AO4 selection
AO5 selection
AO6 selection
AO7 selection
AO8 selection
AO9 selection
AO10 selection
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
AO1 selection
AO2 selection
AO3 selection
AO4 selection
AO5 selection
AO6 selection
AO7 selection
AO8 selection
AO9 selection
AO10 selection
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Address Selection
Address selection
:
＊
＊
＊
＊
1
1
1
1