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Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
ABSOLUTE MAXIMUM RATINGS
V CC to GND ..............................................................-0.3V to +6V
DXN_ to GND ........................................................-0.3V to +0.8V
SMBCLK, SMBDATA, ALERT , STBY ,
OVERT to GND .....................................................-0.3V to +6V
V IN1 to GND............................................................-0.3V to +16V
V IN2 to GND..............................................................-0.3V to +6V
V IN3 to GND..............................................................-0.3V to +6V
All Other Pins to GND.................................-0.3V to (V CC + 0.3V)
SMBDATA, ALERT , OVERT 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 +150°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 = +3.0V to +3.6V for MAX6656, V CC = +4.5V to +5.5V for MAX6655, T A = -55°C to +125°C, unless otherwise noted. Typical values
are at V CC = +3.3V for MAX6656, V CC = +5.0V for MAX6655, T A = +25°C.)
PARAMETER
Supply Range
SYMBOL
V CC
CONDITIONS
MIN
3.0
TYP
MAX
5.5
UNITS
V
Accuracy (Local Sensor)
Accuracy (Remote Sensor)
Temperature Measurement
Resolution
+60°C ≤ T A ≤ +100°C
0°C ≤ T A ≤ +125°C
+60°C ≤ T RJ ≤ +100°C
0°C ≤ T RJ ≤ +120°C
0.125
11
± 1.5
± 3
± 1
± 3
°C
°C
°C
Bits
ADC Input Impedance
Z IN
V IN1 , V IN2 , V IN3 input resistance
100
k ?
ADC Total Error
V IN ADC Resolution
V IN1 , V IN2 , V IN3 between 30% and 120% of
nominal
± 1
8
± 1.5
%
Bits
Undervoltage Lockout Threshold
UVLO
V CC input, disables A/D conversion,
falling edge
2.50
2.70
2.90
V
Undervoltage Lockout
Hysteresis
90
mV
Power-On Reset (POR)
Threshold
V CC , falling edge
1
1.7
2.5
V
POR Threshold Hysteresis
90
mV
Standby Current
DXP and DXN Leakage Current
Average Operating Current
SMBus static, STBY = GND
In standby mode
Continuous temperature mode
3
550
10
2
1000
μA
μA
μA
Conversion Time for Single
Temperature Measurement
Monitoring Cycle Time
t CON
t MONI
From stop bit to conversion completed
Total of 3 temperature plus 4 voltage
measurements
95
125
625
155
ms
ms
2
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