參數(shù)資料
型號(hào)： MLX90308CAB
廠(chǎng)商： Electronic Theatre Controls, Inc.
英文描述： Programmable Sensor Interface
中文描述： 可編程傳感器接口
文件頁(yè)數(shù)： 25/26頁(yè)
文件大?。?/td> 537K
代理商： MLX90308CAB
MLX90308CAB Programmable Sensor Interface Page 25 Rev 3.0 21/May/01
MLX90308CAB
Programmable Sensor Interface
Pressure
0%
100%
V
0
170
140
o
C
25
o
C
-40
o
C
Pressure
0%
100%
V
D
)
1
4
140
o
C
25
o
C
-40
o
C
Figure 11b. Conditioned Sensor
Output
Figures
performance of an unconditioned sensor output and
a conditioned sensor output versus stimulus
(pressure) and temperature. It can be seen that
Figure 11a has a range of only 170 mV (maximum
range with a 5V supply) and has a non-linear
response over a 0-100 psi range. The sensitivity of
the unconditioned output will also drift over
temperature, as illustrated by the three slopes. The
MLX90308 corrects these errors and amplifies the
output to a more usable voltage range as shown in
Figure 11b.
11a
and
11b
above
illustrate
the
Figure 11. Error Compensation
Table 14. Glossary of Terms
A/D analog to digital conversion
ADC analog to digital converter
ASCII American Standard Code for Information
Interchange
ASIC application specific integrated circuit
CM current mode
CMN current mode negative (supply connection)
CMO current mode output
COMS communication, serial
CR carriage return
CSGN coarse gain
CSOF coarse offset
CV current / voltage mode select bit
DAC digital to analog converter
DACFnew filtered DAC value, new
DACFold filtered DAC value, old
DARDIS DAC resistor disable
dB decibel
DOGMO digital mode
EEPROM electrically erasable programmable read only
memory
EOC end of conversion flag bit
ESD electrostatic discharge
ETMI timer interrupt enable
ETPI enable temperature interrupt
FET field effect transistor
FG fixed gain
FLT filter pin
GNO gain and offset adjusted digitized signal
GNOF gain, offset
GNTP temperature gain / offset coarse adjustment
HS hardware / software limit
I/O input / output
IFIX fixed current output value
IINV input signal invert command bit
ILIM current limit
kHz kilohertz, 1000 Hz
LSB least significant bit
mA milliamperes, 0.001 amps
MODSEL mode select
ms millisecond, 0.001 second
MSB most significant bit
MUX multiplexer
mV millivolts, 0.001 Volts
nF nanofarads, 1 X 10
-9
farads
OFC offset control
PC personal computer, IBM clone
pF picofarad, 1 X 10
farads
PLL phase locked loop
POR power on reset
RAM random access memory
RISC reduced instruction set computer
ROM read only memory
RS-232 industry std. serial communications protocol
RX receive
SAR successive approximation register
STC start A/D conversion
Tdiff temperature difference
Text temperature, external
TMI timer Interrupt
TMP temperature signal
TPI temperature interrupt
Tref temperature reference
TSTB test mode pin
TX transmit
UART universal asynchronous receiver / transmitter
VBN bridge, positive, input
VBP bridge, negative, input
V
supply voltage
VM voltage mode
VMGN voltage mode gain
VMO voltage mode output
WCB warn / cold boot
WDC watch dog counter
Figure 11a. Raw Sensor Output
(measured between VPB and VBN)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MLX90308CABL 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Programmable Sensor Interface
MLX90308CCC 制造商:MICRO-ELECTRONICS 制造商全稱(chēng):Micro Electronics 功能描述:Programmable Sensor Interface
MLX90308CCCLW 制造商:MICRO-ELECTRONICS 制造商全稱(chēng):Micro Electronics 功能描述:Programmable Sensor Interface
MLX90308CCCUD 制造商:MICRO-ELECTRONICS 制造商全稱(chēng):Micro Electronics 功能描述:Programmable Sensor Interface
MLX90308LDF 制造商:MELEXIS 制造商全稱(chēng):Melexis Microelectronic Systems 功能描述:Programmable Sensor Interface
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