Typical operating characteristics – Rainbow Electronics MAX6673 User Manual
Page 3
MAX6672/MAX6673
PWM Output Temperature Sensors
in SC70 Packages
_______________________________________________________________________________________
3
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
1.00
1.25
1.50
1.75
2.00
OUTPUT FREQUENCY vs. TEMPERATURE
MAX6672 toc01
TEMPERATURE (
°C)
FREQUENCY (kHz)
-50
25
50
-25
0
75
100
125
1.010
1.005
1.000
0.995
0.990
2.0
3.5
2.5
3.0
4.0
4.5
5.0
NORMALIZED OUTPUT FREQUENCY
vs. SUPPLY VOLTAGE
MAX6672 toc02
SUPPLY VOLTAGE (V)
NORMALIZED FREQUENCY (kHz)
T
A
= +125
°C
T
A
= +25
°C
T
A
= -40
°C
200
300
400
500
600
t
1
AND t
2
TIMES vs. TEMPERATURE
MAX6672 toc03
TEMPERATURE (
°C)
t
1
AND t
2
TIMES (
µ
s)
-50
25
50
-25
0
75
100
125
t
2
t
1
-4
-2
0
2
4
OUTPUT ACCURACY vs. TEMPERATURE
MAX6672 toc04
TEMPERATURE (
°C)
ACCURACY (
°C)
-50
25
50
-25
0
75
100
125
V
CC
= 3.3V
0
30
90
60
120
150
-50
0
-25
25
50
75
100
125
SUPPLY CURRENT vs. TEMPERATURE
MAX6672 toc05
TEMPERATURE (
°C)
SUPPLY CURRENT (
µ
A)
V
CC
= 3.3V
V
CC
= 5V
50
60
80
70
90
100
2.0
3.0
2.5
3.5
4.0
4.5
5.0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX6672 toc06
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
-1.0
-0.5
0
0.5
1.0
POWER-SUPPLY REJECTION
vs. TEMPERATURE
MAX6672 toc07
TEMPERATURE (
°C)
POWER-SUPPLY REJECTION (
°C/V)
-50
25
50
-25
0
75
100
125
POWER-SUPPLY REJECTION
vs. FREQUENCY
MAX6672 toc08
FREQUENCY (Hz)
POWER-SUPPLY REJECTION (
°C/V)
1.0
-1.0
0
0.5
-0.5
0.01
10
100
1k
0.10
1
10k
V
AC
= 100mV
P-P
0
30
90
60
120
150
OUTPUT RISE AND FALL TIMES
vs. CAPACITIVE LOAD
MAX6672 toc09
CAPACITIVE LOAD (nF)
OUTPUT RISE AND FALL TIMES (ns)
0.01
1
0.10
10
FALL TIME
MAX6673 RISE TIME