Multichannel Remote/Local
Temperature Sensors
Typical Operating Characteristics (continued)
(Typical
Operating Circuit,
V
CC
= +5V,
STBY
= V
CC
, configuration byte = X0XXXX00, T
A
= +25°C, unless otherwise noted.)
MAX1668/MAX1805/MAX1989
†
TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
MAX1668/1805 toc04
TEMPERATURE ERROR
vs. DXP_ TO DXN_ CAPACITANCE
MAX16681805 toc05
STANDBY SUPPLY CURRENT
vs. CLOCK FREQUENCY
STBY = GND
50
SUPPLY CURRENT (µA)
40
30
20
V
CC
= 3.3V
10
0
MAX1668/1805 toc06
2.0
1.8
TEMPERATURE ERROR (°C)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.1
1
10
FREQUENCY (MHz)
100
50mV
P-P
100mV
P-P
SQUARE-WAVE AC-COUPLED INTO DXN
2200pF BETWEEN DXN_ AND DXP_
4
2
TEMPERATURE ERROR (°C)
0
-2
-4
-6
-8
-10
60
V
CC
= 5V
1000
0
10
20
30
40
50
60
1
10
100
1000
DXP_ TO DXN_ CAPACITANCE (nF)
SMBCLK FREQUENCY (kHz)
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1668/1805 toc07
RESPONSE TO THERMAL SHOCK
MAX1668/1805 toc08
160
STBY = GND
140
SUPPLY CURRENT (µA)
120
100
80
60
40
ADD0 = ADD1 = HIGH-Z
20
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
ADD0 = ADD1 = GND
125
100
TEMPERATURE (°C)
75
50
25
16 QSOP IMMERSED IN
+115°C FLUORINERT BATH
0
-2
0
2
TIME (s)
4
6
8
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
