參數(shù)資料
型號: AD7395ARU
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: +3 V, Dual, Serial Input 12-/10-Bit DACs
中文描述: SERIAL INPUT LOADING, 70 us SETTLING TIME, 10-BIT DAC, PDSO14
封裝: 1.10 MM HEIGHT, TSSOP-14
文件頁數(shù): 4/12頁
文件大?。?/td> 304K
代理商: AD7395ARU
AD7394/AD7395
–4–
REV. 0
Table I. Control Logic Truth Table
CS
CLK
RS
MSB
SHDN
LDA
/
B
Serial Shift Register Function
DAC Register Function
H
L
L
L
L
L
+
H
X
L
H
+
+
H
L
X
H
H
H
H
H
H
H
H
X
X
X
X
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
No Effect
No Effect
No Effect
Shift-Register-Data Advanced One Bit Latched
Shift-Register-Data Advanced One Bit Transparent
No Effect
No Effect
No Effect
Latched
Latched
Latched
Transparent
Latched
Updated with Current Shift Register
Contents
Transparent
Loaded with 800
H
Latched with 800
H
Loaded with All Zeros
Latched All Zeros
No Affect
H
X
X
X
X
X
X
X
X
X
X
X
H
L
+
L
+
X
X
H
H
L
L
X
H
H
H
H
H
L
L
X
H
X
H
X
No Effect
No Effect
No Effect
No Effect
No Effect
No Effect
NOTES
1.
+ positive logic transition;
– negative logic transition; X Don’t Care
2. Do not clock in serial data while level sensitive inputs
LDA
or
LDB
are logic LOW.
t
LD1
t
CSH
ERR1 LSB
t
CLRW
t
S
t
S
t
LDW
t
CH
t
CL
t
CSS
t
LD2
t
DS
t
DH
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
SDI
CLK
CS
LDA,B
SDI
CLK
FS
V
OUT
ZS
LDA,B
RS
Figure 2. Timing Diagram
t
SDR
I
DD
SHDN
Figure 3. Timing Diagram
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