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參數(shù)資料
| 型號： | MLX90308CABLUD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, UUC |
| 封裝： | DIE |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 724K |
| 代理商： | MLX90308CABLUD |
MLX90308CAB
Programmable Sensor Interface
MLX90308CAB Programmable Sensor Interface
Page 6
Rev 2.0 11/October/00
Table 1. MLX90308 Electrical Specifications (continued)
DC operating parameters: TA = -40 to 140
oC, V
DD = 6 to 35VDC (unless otherwise specified).
Parameter
Test Conditions
Min
Typ
Max
Units
FLT Pin
Output resistance
1.24
kΩ
Output voltage range
VDD = 5V
0.05
3.6
V
OFC Pin
Output voltage range
VDD = 5V
0.05
3.6
V
Load capacitor
20
pf
UART & COMS Pin
UART baud rate
TURBO = 0
2400
baud
TURBO = 1
9600
baud
COMS pin input levels
Low
0.3*VDD
V
High
0.7*VDD V
COMS Pin Output Resistance
Low
100
Ω
High
100
kΩ
Table 2. Absolute Maximum Ratings
Supply voltage (regulator disabled),
6V
Supply voltage (operating), VDD1
35V
Reverse voltage protection
-0.7V
Supply current, Current Mode, IDD
3.5mA
Supply current, Voltage Mode, IDD
4.5mA
Output current, IOUT
8mA
Output current (short to VDD), ISC
100mA
Output current (short to VSS), ISC
8mA
Output voltage, VOUT
+11V
Power dissipation, PD
71mW
Operating temperature range, TA
-40 to +140°
Storage temperature range, TS
-55 to +150°
Maximum junction temperature, TJ
150°C
ESD sensitivity (Ratiometric Config)
2kV
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
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