Rainbow Electronics MAX6667 - Manual (Page 3)

MAX6666/MAX6667
High-Accuracy PWM Output Temperature
Sensors
_______________________________________________________________________________________ 3
0
10
30
20
40
50
-40 10 -15 35 60 85 110
OUTPUT FREQUENCY vs. TEMPERATURE
MAX6666/7 toc01
TEMPERATURE ( °C)
OUTPUT FREQUENCY (Hz)
20
25
35
30
40
45
3.0 4.0 3.5 4.5 5.0 5.5
OUTPUT FREQUENCY vs. SUPPLY VOLTAGE
MAX6666/7 toc02
SUPPLY VOLTAGE (V)
OUTPUT FREQUENCY (Hz)
TEMP = +125 °C
TEMP = +25 °C
TEMP = -40 °C
9
19
14
29
24
39
34
-40 20 50 -10 80 110 140
T 1 AND T 2 TIMES
vs. TEMPERATURE
MAX6666/7 toc03
TEMPERATURE ( °C)
TIME (ms)
TWO TYPICAL PARTS
T 2
T 1
-3
-1
-2
1
0
2
3
OUTPUT ACCURACY
vs. TEMPERATURE
MAX6666/7 toc04
TEMPERATURE ( °C)
OUTPUT ACCURACY (
°C)
-40 20 50 -10 80 110
SUPPLY CURRENT
vs. TEMPERATURE
MAX6666/7 toc05
SUPPLY CURRENT (
µ
A)
-55 5 35 -25 65 95 125 155
TEMPERATURE ( °C)
210
100
110
120
130
140
160
170
180
190
200
150
V
CC
= +5.5V
V CC = +3.3V
140
144
142
150
148
146
156
154
152
158
3.0 4.0 3.5 4.5 5.0 5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX6666/7 toc06
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
0
0.15
0.10
0.05
0.25
0.20
0.45
0.40
0.35
0.30
0.50
-40 -15 10 35 60 85 110
POWER-SUPPLY REJECTION RATIO
vs. TEMPERATURE
MAX6666/7 toc07
TEMPERATURE ( °C)
PSRR (
°C/V)
POWER-SUPPLY REJECTION
vs. FREQUENCY
MAX6666/7 toc08
FREQUENCY (Hz)
CHANGE IN TEMPERATURE (
°C)
1.0
-1.0
-0.5
0
0.5
0.01 10 100 1k 0.1 1 10k
V AC = 100mVp-p
Typical Operating Characteristics
(V CC = +3.3V, T A = +25°C, unless otherwise noted.)