參數(shù)資料
型號: MP7680
廠商: Exar Corporation
英文描述: 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
中文描述: 5伏的CMOS 12位四路雙緩沖乘法數(shù)字到模擬轉(zhuǎn)換器
文件頁數(shù): 8/12頁
文件大?。?/td> 307K
代理商: MP7680
MP7680
8
Rev. 3.10
MUX
1
0
DAC
B1
Latch
B2
Latch
D
E
Q
D
E
Q
D
E
Q
12
4
8
8
4
12
4
8
8
4
DAC
B1
Latch
B2
Latch
D
E
Q
D
E
Q
D
E
Q
12
4
8
8
4
DAC
B1
Latch
B2
Latch
D
E
Q
D
E
Q
D
E
Q
12
4
8
8
4
DAC
B1
Latch
B2
Latch
D
E
Q
D
E
Q
D
E
Q
Latch
Address
Decoder
DA11 - DA0
LA11 - LA0
DAC LA TCHES
INPUT
LA TCHES
DB11-DB4
(MSB)
DB3-DB0
(LSB)
B1/B2
A1 (MSB)
A0 (LSB)
CS
WR1
WR2
XFER
DB11-
DB8
Enable A
Enable B
Enable C
Enable D
DB11 - DB0
DC11 - DC0
DD11 - DD0
Transfer
Disable-B1
R
FBA
I
OUT1A
I
OUT2A
R
FBB
I
OUT1B
I
OUT2B
R
FBC
I
OUT1C
I
OUT2C
R
FBD
I
OUT1D
I
OUT2D
V
REFA
V
REFB
V
REFC
V
REFD
Figure
3.
Latches
Control
Logic
THEOR Y OF OPERA TION
Digital
Interface
Figure
controls the writing of the input latches and the one that
controls the DAC latches are completely separated. It is
easy to understand how the MP7680/80A works by
understanding each basic operation.
3.
shows the internal control logic. The logic that
W riting
to Input
Latches
BykeepingB1/B2=high,a12-bitbushasdirectaccessto
the12bitsoftheinputlatches. TheconditionCS= WR1=
0 loads the values contained in the data bus DB11-DB0
into the input latch addresses by A
1
, A
0
(
Figure
Table 1.
).
4.
,
相關(guān)PDF資料
PDF描述
MP7680JE 5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MP7680JE 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
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