Rainbow-electronics MAX6628 Bedienungsanleitung Seite 2

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MAX6627/MAX6628
Remote ±1°C Accurate Digital Temperature
Sensors with SPI-Compatible Serial Interface
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
All Voltages Referenced to GND
V
CC
...........................................................................-0.3V to +6V
SO, SCK, DXP, CS ........................................-0.3V to V
CC
+ 0.3V
DXN .......................................................................-0.3V to +0.8V
SO Pin Current Range.........................................-1mA to +50mA
Current Into All Other Pins ..................................................10mA
ESD Protection (Human Body Model)................................2000V
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SOT23 (derate 9.7mW/°C above +70°C)...........777mW
Operating Temperature Range .........................-55°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ...................................Note 1
ELECTRICAL CHARACTERISTICS
(3.0V V
CC
5.5V, -55°C T
A
+125°C, unless otherwise noted. Typical values are at T
A
= +25°C, V
CC
= +3.3V, unless otherwise
noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
TEMPERATURE
0°C T
RJ
+125°C, T
A
= +30°C,
V
CC
= +3.3V
-1.0 ±0.5 ±1
-55°C T
RJ
+100°C, 0°C T
A
+70°C,
V
CC
= +3.3V
-2.4 +2.4
-55°C T
RJ
+145°C, 0°C T
A
+70°C,
V
CC
= +3.3V
-4.5 +4.5
Accuracy
-55°C T
RJ
+125°C, -55°C T
A
+125°C,
V
CC
= +3.3V
-5.5 +5.5
°C
Power-Supply Sensitivity 0.25 0.7 °C/V
Resolution 0.0625 °C
MAX6627 0.5
Ti m e Betw een C onver si on S tar ts t
SAMPLE
MAX6628 8
s
Conversion Time t
CONV
180 250 320 ms
POWER SUPPLY
Supply Voltage Range V
CC
3.0 5.5 V
I
SD
Shutdown, V
CC
= +0.8V 5
I
IDLE
ADC idle, CS = low 20
Supply Current, SCK Idle
I
CONV
ADC converting 360 600
µA
MAX6627 200 400
Average Operating Current I
CC
MAX6628 30 50
µA
Power-On Reset (POR)
Threshold
V
CC
, falling edge 1.6 V
High level 80 100 120
Current Sourcing for Diode
Low level 8 10 12
µA
Note 1: This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device
can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles
recommended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection
Reflow. Preheating is required. Hand or wave soldering is not allowed.
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