參數(shù)資料
型號: MP7680JE
廠商: MICRO POWER SYSTEMS
元件分類: DAC
英文描述: 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
中文描述: PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 12-BIT DAC, PQFP44
文件頁數(shù): 9/12頁
文件大?。?/td> 307K
代理商: MP7680JE
MP7680
9
Rev. 3.10
Table 1.
DAC Selection
A0
A1
SELECTED
DAC
0
1
0
1
0
0
1
1
A
B
C
D
An 8-bit bus must use two cycles. The second cycle is
like the first one with the difference that B1/B2 = low
(
Figure
low muxes DB11-DB8 to the B2 latches (
Figure
5.
) DuringthesecondcycletheconditionB1/B2=
3.
).
Two important notes:
1)Timing diagrams show the inputs CS, A
1
, A
0
,
DB11-DB0 to be stable during the entire writing cycle.
In reality all the above signals can change (
Figure
as long as they meet the timing conditions specified in
the Electrical Characteristic Table.
2)Only16-bitbuscyclesareshowninthenextfewexam-
ples of interface timing. It is possible to generate an
8-bit interface timing by replacing a single 12-bit write
cycle (
Figure
4.
) with a double 8-bit write cycles
(
Figure
5.
)
8-bit applications should ground inputs
DB3-DB0.
4.
)
DATA
CS
WR1
B1/B2
Figure
4.
12 Bit W rite Cycle
or
Figure
5.
8-Bit Double
W rite Cycle
WR1
CS
B1/B2
DATA
High
High
to B1
to B2
to B1 & B2
A
1
, A
0
A
1
, A
0
WR2
XFER
DA11-0
or
Figure
6.
Transfer
Cycles
from Input
Latches
to DAC Latches
or
I
OUT
t
S
相關PDF資料
PDF描述
MP7680JN 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7680KE 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7680KN 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7682SD CMOS, 6-Bit High-Speed Analog-to-digital Converter
MP7682 CMOS, 6-Bit High-Speed Analog-to-digital Converter
相關代理商/技術參數(shù)
參數(shù)描述
MP7680JN 制造商:EXAR 制造商全稱:EXAR 功能描述:5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7680KE 制造商:EXAR 制造商全稱:EXAR 功能描述:5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7680KN 制造商:EXAR 制造商全稱:EXAR 功能描述:5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
MP7682 制造商:EXAR 制造商全稱:EXAR 功能描述:CMOS, 6-Bit High-Speed Analog-to-digital Converter
MP7682JN 制造商:EXAR 制造商全稱:EXAR 功能描述:CMOS, 6-Bit High-Speed Analog-to-digital Converter