BU2508FV ROHM Co. Ltd., BU2508FV Datasheet - Page 5

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BU2508FV

Manufacturer Part Number
BU2508FV
Description
10bit 4channels , D/a Converter With Output Buffer
Manufacturer
ROHM Co. Ltd.
Datasheet
●Command Sending
DA出力
1) In the case of BU2507FV
2) In the case of BU2508FV
DA出力
CLK
CLK
LD
DI
LD
(1) Data format [data : LSB first]
(2) Data timing diagram
output
(1) Data format [Data: LSB first ]
(2) Data timing diagram
DI
output
D13
D13
Last
MSB
Last
MSB
D13 D12
0
0
0
0
1
1
D13 D12
0
1
0
1
0
1
:
LSB
LSB
D0
D12
D0
D12
D11 D10
D11 D10
For D/A converter output setting
0
0
0
0
1
1
0
0
1
1
1
1
For D/A converter output setting
:
D/Aコンバータ出力設定用
D/Aコンバータ出力設定用
D1
D1
D11
D11
D9
D9
0
0
0
0
1
1
0
0
0
0
1
1
D2
D2
:
D8
D8
D3
D3
D7
D7
D10
D10
0
0
0
0
1
1
0
0
0
0
1
1
:
D6
D6
D5
D5
D9
D9
0
0
0
0
1
1
0
0
0
0
1
1
D11
:
D11
D4
D4
D12
D12
D3
D3
D8
D8
For address selection
For address selection
0
0
1
0
0
0
1
1
0
0
0
1
:
アドレス選択用
アドレス選択用
MSB
D13
D2
D2
MSB
D13
D7
D7
D1
D1
0
0
1
0
0
0
1
1
0
0
0
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
(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
D/A output(VrefH=VDD,
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
:
:
VrefL=VSS)
Address selection
Address selection
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
Inconsequential
AO1 selection
AO2 selection
AO3 selection
AO4 selection
AO5 selection
AO6 selection
AO1 selection
AO2 selection
AO3 selection
AO4 selection
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care

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