參數(shù)資料
型號: AD5504BRUZ
廠商: Analog Devices Inc
文件頁數(shù): 9/20頁
文件大小: 0K
描述: IC DAC 12BIT SPI 16-TSSOP
產(chǎn)品培訓模塊: DAC Architectures
設計資源: Powering a 30V DAC from a 3V supply (CN0193)
標準包裝: 1
設置時間: 45µs
位數(shù): 12
數(shù)據(jù)接口: SPI?、QSPI?、MICROWIRE? 和 DSP
轉(zhuǎn)換器數(shù)目: 4
電壓電源:
工作溫度: -40°C ~ 105°C
安裝類型: *
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: *
包裝: 管件
輸出數(shù)目和類型: 4 電壓,單極
采樣率(每秒): *
Data Sheet
AD5504
Rev. B | Page 17 of 20
Table 10. Control Register Functions
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
R/W
1
0
C6
C5
C4
C3
C2
C1
C0
1
Read-only bit. This bit should be 0 when writing to the control register.
Table 11. Control Register Function Bit Descriptions
Bit No.
Bit Name
Description
DB0
C0
C0 = 0: the device is not in thermal shutdown mode.
C0 = 1: the device is in thermal shutdown mode.
DB1
C1
C1 = 0: reserved. This bit should be 0 when writing to the control register.
DB2
C2 = 0: DAC Channel A power-down (default).
C2 = 1: DAC Channel A power-up.
DB3
C3 = 0: DAC Channel B power-down (default).
C3 = 1: DAC Channel B power-up.
DB4
C4 = 0: DAC Channel C power-down (default).
C4 = 1: DAC Channel C power-up.
DB5
C5 = 0: DAC Channel D power-down (default).
C5 = 1: DAC Channel D power-up.
DB6
C6
C6 = 0: outputs connected to AGND through a 20 k resistor (default).
C6 = 1: outputs are three-stated.
1
If Bit C2 to Bit C5 are set to 0, the part is placed in power-down mode.
07994-
120
WRITE N
WRITE N + 1
WRITE TO
CONTROL REGISTER
NOP
WRITE TO
CONTROL REGISTER
WRITE TO
DAC REGISTER
WRITE N + 2
WRITE TO
CONTROL REGISTER
WRITE TO
CONTROL REGISTER
NOP
WRITE TO
CONTROL REGISTER
WRITE TO
CONTROL REGISTER
WRITE TO
DAC REGISTER
Figure 18. Control Register Write Sequences
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