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SOT Temperature Sensors with
Period/Frequency Output
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
V DD ......................................................................-0.3V to +6V
TS1, TS0, OUT.......................................-0.3V to (V DD + 0.3V)
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range.. ...........................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Input/Output Current, All Pins...........................................±20mA
Continuous Power Dissipation (T A = +70°C)
6-pin SOT23 (derate 7.10mW/°C above +70°C).........571mW
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 DD = +2.7V to +5.5V, T A = -40°C to +125°C, unless otherwise noted. Typical values are specified at T A = +25°C and V DD = +5V,
unless otherwise noted.)
PARAMETER
V DD Range
SYMBOL
V DD
CONDITIONS
MIN
2.7
TYP
MAX
5.5
UNITS
V
Supply Current
I DD
V DD = 5.5V
T A = -40°C to +85°C
T A = -40°C to +125°C
140
250
400
μA
T A = -20°C
T A = 0°C
-7.5
-5.5
±1.1
±0.9
+7.5
+5.5
Temperature Sensor
Error (Note 1)
MAX6576
MAX6577
T A = +25°C
T A = +85°C
T A = +125°C
T A = -20°C
T A = 0°C
T A = +25°C
T A = +85°C
T A = +125°C
-3.0
-4.5
-5.0
-7.5
-6.5
-3.0
-3.5
-4.5
±0.8
±0.5
±0.5
±1.1
±0.9
±0.8
±0.5
±0.5
+3.0
+4.5
+5.0
+7.5
+6.5
+3.0
+3.5
+4.5
°C
°C
V TS1 = GND, V TS0 = GND
10T
Output Clock Period
t OUT
MAX6576,
T (temp) in °K,
Figure 1
V TS1 = GND, V TS0 = V DD
V TS1 = V DD , V TS0 = GND
40T
160T
μs
V TS1 = V DD , V TS0 = V DD
V TS1 = GND, V TS0 = GND
640T
4T
Output Clock Frequency
f OUT
MAX6577,
T (temp) in °K,
Figure 2
V TS1 = GND, V TS0 = V DD
V TS1 = V DD , V TS0 = GND
1T
T/4
Hz
OUT Duty Cycle (Note 2)
V TS1 = V DD , V TS0 = V DD
T/16
0.5
Time-Select Pin Logic
Levels
V IL
V IH
2.3
0.8
V
OUT Voltage
V OL
V OH
V DD > 4.5V, I SINK = 3.2mA
V DD > 2.7V, I SINK = 1.2mA
V DD > 4.5V, I SRC = 800μA
V DD > 2.7V, I SRC = 500μA
V DD - 1.5
0.8V DD
0.4
0.3
V
Note 1: See the Temperature Accuracy histograms in the Typical Operating Characteristics.
Note 2: The output duty cycle is guaranteed to be 50% by an internal flip-flop.
2
_______________________________________________________________________________________
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