
+3.3V/+5V, 8-Channel Relay Drivers with Fast
Recovery Time and Power-Save Mode
Typical Operating Characteristics (continued)
(V CC = 3.3V, T A = +25°C, unless otherwise noted.)
140
120
100
80
60
40
20
OUT_ TURN-ON DELAY TIME
vs. SUPPLY VOLTAGE
1600
1400
1200
1000
800
600
400
OUT_ TURN-OFF DELAY TIME
vs. SUPPLY VOLTAGE
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
INPUT-LOGIC THRESHOLD
vs. SUPPLY VOLTAGE
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
SUPPLY VOLTAGE (V)
BACK EMF CLAMPING WITH
STANDARD 3V RELAY V CC = 3.3V
MAX4822-25 toc13
0V
SUPPLY VOLTAGE (V)
CS
5V/div
VOUT
40
35
30
25
20
15
SUPPLY VOLTAGE (V)
POWER-SAVE DELAY TIME
vs. CAPACITANCE
V CC = 3.3V
2V/div
10
0V
5
100 μ s/div
0
0
200
400
600
800
1000
CAPACITANCE (nF)
OUTPUT VOLTAGE vs. OUTPUT CURRENT
4.00
POWER-SAVE DELAY TIME
vs. SUPPLY VOLTAGE
0.8
IN POWER-SAVE MODE
(PSAVE REGISTER = 111)
3.95
3.90
3.85
3.80
3.75
3.70
3.65
3.60
3.55
3.50
C PSAVE = 0.1 μ F
0.7
0.6
0.5
0.4
0.3
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
0
50
100
150
200
250
300
SUPPLY VOLTAGE (V)
OUTPUT CURRENT (mA)
6
_______________________________________________________________________________________