參數(shù)資料
型號: AD7396ARZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 7/12頁
文件大?。?/td> 0K
描述: IC DAC 12BIT PARALLEL 3V 24-SOIC
產(chǎn)品培訓模塊: Data Converter Fundamentals
DAC Architectures
標準包裝: 1,000
設(shè)置時間: 60µs
位數(shù): 12
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
功率耗散(最大): 1mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應商設(shè)備封裝: 24-SOIC W
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 2 電壓,單極;2 電壓,雙極
采樣率(每秒): 17k
AD7396/AD7397
–4–
REV. 0
Table I. Control Logic Truth
CS
A/
B
LDA
LDB
RS
SHDN
Input Register
DAC Register
L
HHHX
Write to B
Latched with Previous Data
L
HHHHX
Write to A
Latched with Previous Data
L
H
L
H
X
Write to B
B Transparent
L
H
L
H
X
Write to A
A Transparent
H
X
L
H
X
Latched
A and B Transparent
H
X
^
H
X
Latched
Latched with New Data from Input REG
XXXXL
X
Reset to Zero Scale
H
XXX^
X
Latched to Zero
^Denotes positive edge. The
SHDN pin has no effect on the digital interface data loading; however, while in the SHDN state (SHDN = 0) the output amplifiers V
OUTA
and VOUTB exhibit an open circuit condition. Note, the LDx inputs are level-sensitive, the respective DAC registers are in a transparent state when LDx = “0.”
tCSW
1 LSB
ERROR BAND
tAS
tAH
CS
A/
B
tDH
tDS
tLS
tLH
tLDW
tRSW
tS
LDA, LDB
RS
VOUT
D0–D11
Figure 2. Timing Diagram
B REGISTER
1 OF 12
LATCHES
OF THE 2 INPUT
REGISTERS
TO DAC
REGISTERS
DBx
CS
A/
B
RS
Figure 3. Digital Control Logic
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