參數(shù)資料
型號: DAC8043AFP
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: 12-Bit Serial Input Multiplying D/A Converter
中文描述: SERIAL INPUT LOADING, 1 us SETTLING TIME, 12-BIT DAC, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 4/8頁
文件大?。?/td> 137K
代理商: DAC8043AFP
REV. 0
DAC8043A
–4–
SRI
CLK
LD
SRI
CLK
LD
FS
ZS
V
OUT
DATA LOADED MSB(D11) FIRST
DAC REGISTER LOAD
D11
D10
D9
D8
D6
D5
D4
D3
D2
D1
D0
D7
t
LD1
t
DS
t
DH
t
CL
t
CH
t
LD
t
S
1 LSB
ERROR BAND
Dxx
t
ASB
Figure 2. Timing Diagram
Table I. Control-Logic Truth Table
CLK
LD
Serial Shift Register Function
DAC Register Function
u
L
L
H
L
u
Shift-Register-Data Advanced One Bit
No Effect
No Effect
Latched
Updated with Current Shift Register Contents
Latched All Zeros
NOTES
u
positive logic transition.
The DAC Register
LD
input is level-sensitive. Any time
LD
is logic-low data in the serial register will directly control the
switches in the R-2R DAC ladder.
TOTAL UNADJUSTED ERROR – LSB
F
15
20
0
–1.0
1.0
10
30
–0.5
0.0
0.5
SS = 200 UNITS
T
A
= +25
8
C
V
DD
= +5V
V
REF
= +10V
25
5
35
Figure 3. Total Unadjusted Error Histogram
Typical Performance Characteristics
FULL SCALE TEMPCO – ppm/
8
C
F
30
20
00
10
40
50
SS = 200 UNITS
T
A
= –40
8
C TO +85
8
C
V
DD
= +5V
V
REF
= +10V
1
2
Figure 4. Full-Scale Output Tempco Histogram
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