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參數(shù)資料
| 型號： | MLX90308CABL |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Programmable Sensor Interface |
| 中文描述： | 可編程傳感器接口 |
| 文件頁數(shù)： | 7/26頁 |
| 文件大?。?/td> | 537K |
| 代理商： | MLX90308CABL |
MLX90308CAB Programmable Sensor Interface Page 7 Rev 3.0 21/May/01
MLX90308CAB
Programmable Sensor Interface
Table 2. Absolute Maximum Ratings
Supply voltage (ratiometric) V
DD
Max
6V
Supply voltage (operating), VDD1
35V
Reverse voltage protection
-0.7V
Supply current, Current Mode, I
DD
3.5mA
Supply current, Voltage Mode, I
DD
4.5mA
Output current, I
OUT
8mA
Output current (short to V
DD
), I
SC
100mA
Output current (short to V
SS
), I
SC
8mA
Output voltage, V
OUT
+11V
Power dissipation, P
D
71mW
Operating temperature range, T
A
-40 to +140°
Storage temperature range, T
S
-55 to +150°
Maximum junction temperature, T
J
150°C
ESD sensitivity (Ratiometric Config)
2kV
Supply voltage (ratiometric) V
DD
Min
4.5V
Unique Features
Customization
Melexis can customize the MLX90308 in both
hardware and firmware for unique requirements.
Melexis can also provide all necessary development
tools for the development of special firmware to
customize the MLX90308. The hardware design
provides 64 bytes of RAM, 3 kbytes of ROM, and 48
bytes of EEPROM for use by the firmware.
Special Information
The output of the sensor bridge is amplified via offset
and gain amplifiers and then converted to the correct
output signal form in one of the output stages.
The sensitivity and offset of the analog signal chain
are defined by numbers passed to the DAC
interfaces from the microcontroller core (GN[9:0] and
OF[9:0]). The wide range of bridge offset and gain is
accommodated by means of a 2-bit coarse
adjustment DAC in the offset adjustment (CSOF
[1:0]), and a similar one in the gain adjustment
(CSGN[2:0]). The signal path can be directed
through the processor for digital processing. Two I/O
pins are available for analog inputs or digital outputs.
These pins can be used for alarms on various points
on the analog signal path and built-in or external
temperature values.
Programming and Setup
The
MLX90308
compensation coefficients programmed for a
particular bridge sensor to create the sensor
system. Programming the EEPROM involves
some
minimal
communications
circuitry, Melexis’ setup software, and a PC.
The communications interface circuitry is
available in a development board. This circuitry
communicates with the PC via a standard RS-
232 serial communications port.
needs
to
have
the
interface
Cross Reference
There are no known devices which the MLX
90308CAB can replace.
ESD Precautions
Observe standard ESD control procedures for CMOS
semiconductors.
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相關代理商/技術參數(shù) |
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| MLX90308CCC | 制造商:MICRO-ELECTRONICS 制造商全稱:Micro Electronics 功能描述:Programmable Sensor Interface |
| MLX90308CCCLW | 制造商:MICRO-ELECTRONICS 制造商全稱:Micro Electronics 功能描述:Programmable Sensor Interface |
| MLX90308CCCUD | 制造商:MICRO-ELECTRONICS 制造商全稱:Micro Electronics 功能描述:Programmable Sensor Interface |
| MLX90308LDF | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Programmable Sensor Interface |
| MLX90308LDF-DAA-000-RE | 制造商:Melexis Semiconductors 功能描述:IC SENSOR PROG INTERFACE 16SOIC |
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