Remote ?癈 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
SDO, SCK, DXP, CS...................................-0.3V to (V
CC
+ 0.3V)
DXN .......................................................................-0.3V to +0.8V
SDO Pin Current Range......................................-1mA to +50mA
Current Into All Other Pins ..................................................10mA
ESD Protection (Human Body Model) .............................?000V
Continuous Power Dissipation (T
A
= +70癈)
SOT23 (derate 9.7mW/癈 above +70癈).....................777mW
TDFN (derate 18.5mW/癈 above +70癈)................1481.5mW
Operating Temperature Range .........................-55癈 to +125癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
Soldering Temperature (reflow).......................................+260癈
ELECTRICAL CHARACTERISTICS
(3.0V d V
CC
d 5.5V, -55癈 d T
A
d +125癈, unless otherwise noted. Typical values are at T
A
= +25癈, V
CC
= +3.3V, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TEMPERATURE
0癈 d T
RJ
 d +125癈, T
A
 = +30癈,
V
CC
 = +3.3V
-1.0
?.5
?
-55癈 d
 T
RJ
 d +100癈, 0癈 d T
A
 d
 +70癈,
V
CC
 = +3.3V
-2.4
+2.4
-55癈 d
 T
RJ
 d +145癈, 0癈 d T
A
 d
 +70癈,
V
CC
 = +3.3V
-4.5
+4.5
Accuracy (Note 1)
-55癈 d
 T
RJ
 d +125癈, -55癈 d T
A
 d +125癈,
V
CC
 = +3.3V
-5.5
+5.5
Power-Supply Sensitivity
0.25
0.7
癈/V
Resolution
0.0625
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
SDO
Shutdown, V
CC
 = +0.8V
5
I
IDLE
ADC idle, CS = low
20
Supply Current, SCK Idle
I
CONV
ADC converting
360
600
MAX6627
200
400
Average Operating Current
I
CC
MAX6628
30
50
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
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