參數(shù)資料
型號: AD7398BR-REEL
廠商: Analog Devices Inc
文件頁數(shù): 23/24頁
文件大?。?/td> 0K
描述: IC DAC 12BIT QUAD SRL 16-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1,000
設(shè)置時間: 6µs
位數(shù): 12
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
電壓電源: 雙 ±
功率耗散(最大): 16mW
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 4 電壓,單極
采樣率(每秒): 167k
AD7398/AD7399
Rev. C | Page 8 of 24
INPUT REGISTERS
AD7398 SERIAL INPUT REGISTER DATA FORMAT
Data is loaded in the MSB first format.
MSB
LSB
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SA
SD
A1
A0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
NOTE
Bit Position B14 and Bit Position B15 are the SD and SA power shutdown control bits. If SA is set to Logic 1, all DACs are placed in the power shutdown mode. If SD is set
to Logic 1, the address decoded by Bit B12 and Bit B13 (A0 and A1) determine the DAC channel that is placed in the power shutdown state.
AD7399 SERIAL INPUT REGISTER DATA FORMAT
Data is loaded in the MSB first format.
MSB
LSB
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SA
SD
A1
A0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
NOTE
Bit Position B12 and Bit Position B13 are the SD and SA power shutdown control bits. If SA is set to Logic 1, all DACs are placed in the power shutdown mode. If SD is set
to Logic 1, the address decoded by Bit B10 and Bit B11 (A0 and A1) determine the DAC channel that is placed in the power shutdown state.
Table 6. AD7398/AD7399 Address Decode Control
SA
SD
A1
A0
DAC Channel Affected
1
X
All DACs shutdown
0
1
0
DAC A shutdown
0
1
0
1
DAC B shutdown
0
1
0
DAC C shutdown
0
1
DAC D shutdown
0
DAC A input register decoded
0
1
DAC B input register decoded
0
1
0
DAC C input register decoded
0
1
DAC D input register decoded
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