參數(shù)資料
型號: BH2227FV-E2
廠商: Rohm Semiconductor
文件頁數(shù): 7/11頁
文件大?。?/td> 0K
描述: IC DAC 8BIT 4-CHAN SSOP-B14
標準包裝: 1
設置時間: 100µs
位數(shù): 8
數(shù)據(jù)接口: 串行
轉換器數(shù)目: 4
電壓電源: 單電源
工作溫度: -20°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-LSSOP(0.173",4.40mm 寬)
供應商設備封裝: 14-SSOP
包裝: 標準包裝
輸出數(shù)目和類型: 4 電壓,單極
采樣率(每秒): *
產(chǎn)品目錄頁面: 1375 (CN2011-ZH PDF)
其它名稱: BH2227FV-E2DKR
BH2227FV, BH2228FV
Technical Note
5/8
www.rohm.com
2011.08 - Rev.B
2011 ROHM Co., Ltd. All rights reserved.
●Operation Description
Command Transmission
The Control command consists of 3-lines of 12bit serial input data (MSB first).
Data is read at the rise edge of CLK, and data becomes valid in the CSB Low area (before the CSB rise for 12bit data).
Fig.5
Data Settings
D0
D1
D2
D3
D4
D5
D6
D7
Setting
0
GND
1
0
(VDD or VFS-GND)/256x1
0
1
0
(VDD or VFS-GND)/256x2
1
0
(VDD or VFS-GND)/256x3
0
1
0
(VDD or VFS-GND)/256x4
~
0
1
(VDD or VFS-GND)/256x254
1
(VDD or VFS-GND)/256x255
Note: Initial status D[7:0]=00h
Channel Settings
D8
D9
D10
D11
BH2227FV
BH2228FV
0
Inconsequential
0
1
AO1
0
1
0
AO2
0
1
Inconsequential
AO3
0
1
0
Inconsequential
AO4
0
1
0
1
AO3
AO5
0
1
0
AO4
AO6
0
1
Inconsequential
1
0
Inconsequential
1
0
1
Inconsequential
1
0
1
0
Inconsequential
1
0
1
Inconsequential
1
0
Inconsequential
1
0
1
Inconsequential
1
0
Inconsequential
1
Inconsequential
D0
D1
CSB
CLK
DI
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
X
1
2
3
4
5
6
7
8
9
10
11
12
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