Typical operating characteristics – Rainbow Electronics MAX6692 User Manual
Page 4
MAX6648/MAX6692
Precision SMBus-Compatible Remote/Local
Temperature Sensors with Overtemperature Alarms
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6648/92 toc01
SUPPLY VOLTAGE (V)
STANDBY SUPPLY CURRENT (
µ
A)
5.0
4.5
4.0
3.5
2.8
3.2
3.6
4.0
2.4
3.0
5.5
OPERATING SUPPLY CURRENT
vs. CONVERSION RATE
MAX6648/92 toc02
CONVERSION RATE (Hz)
OPERATING SUPPLY CURRENT (
µ
A)
4.00
2.00
1.00
0.50
0.25
0.13
100
200
300
400
500
600
0
0.63
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
MAX6648/92 toc03
TEMPERATURE (
°C)
TEMPERATURE ERROR (
°C)
100
75
50
25
-1.5
-0.5
0.5
1.5
2.5
-2.5
0
125
T
A
= +85
°C
FAIRCHILD 2N3906
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
MAX6648/92 toc04
TEMPERATURE (
°C)
TEMPERATURE ERROR (
°C)
100
75
50
25
0
125
TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
MAX6648/92 toc05
FREQUENCY (Hz)
TEMPERATURE ERROR (
°C)
10k
1k
1
10
100
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
0.1
100k
LOCAL ERROR
REMOTE ERROR
V
IN
= SQUARE WAVE APPLIED TO V
CC
WITH NO 0.1
µF V
CC
CAPACITOR
-1
0
1
2
3
4
5
6
7
8
9
-2
TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
MAX6648/92 toc06
FREQUENCY (Hz)
TEMPERATURE ERROR (
°C)
100k
10k
10
100
1k
1
REMOTE ERROR
LOCAL ERROR
V
IN
= AC-COUPLED TO DXN
V
IN
= 100mV
P-P
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
TEMPERATURE ERROR
vs. DIFFERENTIAL-MODE NOISE FREQUENCY
MAX6648/92 toc07
FREQUENCY (Hz)
TEMPERATURE ERROR (
°C)
100k
10k
10
100
1k
1
V
IN
= 20mV
P-P
SQUARE WAVE
APPLIED TO DXP-DXN
TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
MAX6648/92 toc08
DXP-DXN CAPACITANCE (nF)
TEMPERATURE ERROR (
°C)
10.000
1.000
-5
-4
-3
-2
-1
0
1
-6
0.100
100.000