Rainbow-electronics MAX6659 Manual de usuario Pagina 2
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MAX6657/MAX6658/MAX6659
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
DXP ............................................................-0.3V to (V
CC
+ 0.3V)
DXN ......................................................................-0.3V to +0.8V
SMBCLK, SMBDATA, ALERT, OVERT1,
OVERT2 ..............................................................-0.3V to +6V
SMBDATA, ALERT, OVERT1, OVERT2
Current ..........................................................-1mA to +50mA
DXN Current ......................................................................±1mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO (derate 5.9mW/°C above +70°C) .................471mW
16-Pin QSOP (derate 8.3mW/°C above +70°C) ..........664mW
Junction Temperature .....................................................+150°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
ELECTRICAL CHARACTERISTICS
(Circuit of Typical Operating Circuit, V
CC
= +3.0V to +5.5V, T
A
= 0°C to +125°C, unless otherwise specified. Typical values are at
V
CC
= +3.3V and T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
1°C
Temperature Resolution,
Legacy Mode
8 Bits
0.125 °C
Temperature Resolution,
Extended Mode
11 Bits
T
RJ
= +60°C to +100°C, V
CC
= +3.3V
(Note 1)
-1.0 +1.0
T
RJ
= 0°C to +100°C, V
CC
= +3.3V (Note 1) -3.0 +3.0
Remote Temperature Error
(MAX6657)
T
RJ
= 0°C to +125°C, V
CC
= +3.3V (Note 1) -5.0 +5.0
°C
T
A
= +60°C to +100°C, V
CC
= +3.3V -2.0 +2.0
T
A
= 0°C to +100°C, V
CC
= +3.3V -3.0 +3.0
Local Temperature Error
(MAX6657)
T
A
= 0°C to +125°C, V
CC
= +3.3V -5.0 +5.0
°C
T
RJ
= +60°C to +100°C, V
CC
= +3.3V
(Note 1)
-1.0 1.0
T
RJ
= 0°C to +100°C, V
CC
= +3.3V (Note 1) -3.0 3.0
Remote Temperature Error
(MAX6658/MAX6659)
T
RJ
= -55°C to +125°C, V
CC
= +3.3V (Note 1) -5.0 +5.0
°C
T
A
= +60°C to +100°C, V
CC
= +3.3V -2.0 +2.0
T
A
= 0°C to +100°C, V
CC
= +3.3V -3.0 +3.0
Local Temperature Error
(MAX6658/MAX6659)
T
A
= -55°C to +125°C, V
CC
= +3.3V (Note 2) -5.0 +5.0
°C
Line Regulation 3.0V ≤ V
CC
≤ 5.5V 0.2 0.6 m°C/V
Supply Voltage Range V
CC
3.0 5.5 V
Undervoltage Lockout Threshold UVLO Falling edge of V
CC
disables ADC 2.60 2.80 2.95 V
Undervoltage Lockout Hysteresis 90 mV
Power-On Reset (POR) Threshold V
CC
, falling edge 1.5 2.0 2.5 V
POR Threshold Hysteresis 90 mV
Standby Supply Current SMBus static 3 10 µA
Operating Current During conversion 0.5 1.0 mA
0.25 conversions/s 40 70
Average Operating Current
2 conversions/s 150 250
µA
±1°C, SMBus-Compatible Remote/Local Temperature
Sensors with Overtemperature Alarms
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