參數(shù)資料
型號(hào): MP7636
廠商: Exar Corporation
英文描述: 15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter
中文描述: 15 V的的CMOS微處理器兼容雙緩沖,乘法16位數(shù)字到模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 84K
代理商: MP7636
MP7636A
5
Rev. 2.00
TIMING DIAGRAM
50%
50%
50%
50%
50%
50%
SETTLED TO
+0.01%
CS, BYTE1/BYTE2
WR
DATA BITS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
t
CS
t
CH
t
W
t
DS
t
S
t
DH
I
OUT1,
I
OUT2
DEFINITION OF CONTROL SIGNALS:
CS:
Chip Select (Active low).
It will enable WR1.
Write 1 (Active low)
The WR1 is used to load the digital data bits (DB) into
the input latch.
BYTE1/BYTE2:
Byte sequence control.
The BYTE1/BYTE2 control pin is used to select MSB
and LSB both input latches.
WR2:
Write 2 (Active low).
It will enable XFER.
XFER:
Transfer control signal (Active low).
This signal, in combination with WR2, causes the
16-bit data which is available in the input latches to
transfer to the DAC register.
DB0 to DB15: Digital Inputs.
DB0 is the least significant digital input (LSB) and
DB15 is the most significant digital input (MSB).
I
OUT1
:
DAC Current Output 1 Bus.
I
OUT1
is a maximum for a digital code of all 1’s in the
DAC register, and is zero for all 0’s in the DAC register.
WR1:
I
OUT2
:
DAC Current Output 2 Bus.
I
OUT2
is a complement of I
OUT1
. The ladder termina-
tion has been tied to I
OUT2
internally.
Feedback Resistor.
This internal feedback resistor should always be used
(not an external resistor) since it matches the resistors
in the DAC and tracks these resistor over temperature.
Reference Voltage Input.
This input connects an external precision voltage
source to the internal DAC. The V
REF
can be selected
over the range of +25V to –25V or the analog signal for
a 4-quadrant multiplying mode application.
Power Supply Voltage.
This is the power supply pin for the part. The V
DD
can
be from +5 V DC to +15 V
DC, however optimum volt-
age is +15 V DC.
AGND: Analog Ground.
Back gate of the DAC N-channel current steering
switches.
DGND: Digital Ground .
The timing diagrams for updating the DAC register are shown
in Figures 1 and 2.
R
FB
:
V
REF
:
V
DD
:
相關(guān)PDF資料
PDF描述
MP7636AJS 15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter
MP7636AKS 15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter
MP7652 4-Channel Voltage Output 15 MHz, Input Bandwidth, 8-Bit Multiplying DACs with 3-Wire Serial Digital Port and Independent References
MP7652AN 4-Channel Voltage Output 15 MHz, Input Bandwidth, 8-Bit Multiplying DACs with 3-Wire Serial Digital Port and Independent References
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MP7636AJS 制造商:EXAR 制造商全稱:EXAR 功能描述:15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter
MP7636AKS 制造商:EXAR 制造商全稱:EXAR 功能描述:15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter
MP7641 制造商:EXAR 制造商全稱:EXAR 功能描述:8-Channel Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Port
MP7641AN 制造商:EXAR 制造商全稱:EXAR 功能描述:8-Channel Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Port
MP7641AS 制造商:EXAR 制造商全稱:EXAR 功能描述:8-Channel Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Port