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Remote/Local Temperature Sensor
with SMBus Serial Interface
MAX1617
Maxim Integrated
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +3.3V, T
A
= 0癈 to +85癈, unless otherwise noted.) (Note 1)
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.
V
CC
to GND..............................................................-0.3V to +6V
DXP, ADD_ to GND....................................-0.3V to (V
CC
+ 0.3V)
DXN to GND ..........................................................-0.3V to +0.8V
SMBCLK, SMBDATA, ALERT, STBY to GND ...........-0.3V to +6V
SMBDATA, ALERT Current .................................-1mA to +50mA
DXN Current .......................................................................?mA
ESD Protection (SMBCLK, SMBDATA,
ALERT, human body model).......................................... 4000V
ESD Protection (other pins, human body model)...............2000V
Continuous Power Dissipation (T
A
= +70癈)
QSOP (derate 8.30mW/癈 above +70癈).....................667mW
Operating Temperature Range .........................-55癈 to +125癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +165癈
Lead Temperature (soldering, 10sec).............................+300癈
T
A
= +60癈 to +100癈
Monotonicity guaranteed
ADD0, ADD1; momentary upon power-on reset
DXP forced to 1.5V
Logic inputs
forced to V
CC
or GND
Auto-convert mode
From stop bit to conversion complete (both channels)
V
CC
, falling edge
T
A
= 0癈 to +85癈
V
CC
input, disables A/D conversion, rising edge
Auto-convert mode, average
measured over 4sec. Logic
inputs forced to V
CC
or GND.
CONDITIONS
礎
160
Address Pin Bias Current
V
0.7
DXN Source Voltage
礎
8
10
12
80
100
120
Remote-Diode Source Current
%
-25
25
Conversion Rate Timing Error
ms
94
125
156
Conversion Time
礎
120
180
35
70
Average Operating Supply Current
-2
2
Bits
8
Temperature Resolution (Note 2)
礎
4
Standby Supply Current
3
10
mV
50
POR Threshold Hysteresis
V
1.0
1.7
2.5
Power-On Reset Threshold
癈
-3
3
Initial Temperature Error,
Local Diode (Note 3)
V
3.0
5.5
Supply-Voltage Range
V
2.60
2.80
2.95
Undervoltage Lockout Threshold
mV
50
Undervoltage Lockout Hysteresis
UNITS
MIN
TYP
MAX
PARAMETER
T
R
= +60癈 to +100癈
T
R
= -55癈 to +125癈
-3
3
癈
-5
5
Temperature Error, Remote Diode
(Notes 3 and 4)
Including long-term drift
-2.5
2.5
癈
-3.5
3.5
Temperature Error, Local Diode
(Notes 2 and 3)
0.25 conv/sec
2.0 conv/sec
T
A
= +60癈 to +100癈
T
A
= 0癈 to +85癈
High level
Low level
ADC AND POWER SUPPLY
SMBus static
Hardware or software standby, SMB-
CLK at 10kHz
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