1°C Accurate Remote/Local Temperature
Sensor with SMBus Serial Interface
MAX6654
ABSOLUTE MAXIMUM RATINGS
(All voltages are referenced to GND unless otherwise noted.)
V
CC
..........................................................................-0.3V to +6V
DXP, ADD_ ................................................-0.3V to (VCC + 0.3V)
DXN ......................................................................-0.3V to +0.8V
SMBCLK, SMBDATA,
ALERT, STBY..
......................-0.3V to +6V
SMBDATA,
ALERT
Current .................................-1mA to +50mA
DXN Current ......................................................................±1mA
ESD Protection (all pins, Human Body Model). .................2000V
Continuous Power Dissipation (T
A
= +70°C)
16-Pin QSOP (derate 8.30mW/°C above +70°C).........667mW
Operating Temperature Range ........................-55°C to +125°C
Junction Temperature. .....................................................+150°C
Storage Temperature Range ............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS
(V
CC
= +3V to +5.5V, T
A
= -55°C to +125°C, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
+60°C
≤
T
A
≤
+100°C, V
CC
= +3.3V
Accuracy (Local Sensor)
0°C
≤
T
A
≤
+100°C, V
CC
= +3.3V
-55°C
≤
T
A
≤
+120°C, V
CC
= +3.3V
+70°C
≤
T
RJ
≤
+100°C, V
CC
= +3.3V (Note 1)
Accuracy (Remote Sensor)
Line Regulation
Resolution (Legacy Mode)
Resolution (Extended Mode)
Undervoltage Lockout
Threshold
Undervoltage Lockout
Hysteresis
Supply Voltage Range
Power-On Reset (POR) Threshold
POR Threshold Hysteresis
Standby Current
Operating Current
Average Operating Current
Conversion Time
Conversion Timing Error
Remote Diode Current
I
RJ
High level
Low level
+80
+8
+100
+10
t
CONV
SMBus static
During conversion
0.25 conversion/s (Note 3)
2 conversion/s (Note 3)
From stop bit to conversion completed, in
legacy mode (Note 3)
+95
V
CC
V
CC
, falling edge
+3.0
+1.5
+2.0
+90
+3
+0.55
+40
+150
+125
+10
+1
+70
+250
+156
±25
+120
+12
UVLO
Conversion rate >1Hz
Conversion rate
≤1Hz
V
CC
input, disables A/D conversion,
rising edge
+1
+8
+0.125
+11
+2.60
+2.80
+90
+5.5
+2.5
+2.95
0°C
≤
T
RJ
≤
+100°C, V
CC
= +3.3V (Note 1)
-55°C
≤
T
RJ
≤
+120°C, V
CC
= +3.3V (Notes 1, 2)
MIN
-1.3
-2
-5
-1
-2
-5
0.2
TYP
MAX
+1.3
+2
+5
+1
+2
+5
0.5
°C
°C
Bits
°C
Bits
V
mV
V
V
mV
µA
mA
µA
ms
%
µA
°C
°C
UNITS
TEMPERATURE-TO-DIGITAL CONVERTER
2
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
