MAX4822 Datasheet, PDF (6/19 Pages) Maxim Integrated Products – +3.3V/+5V, 8-Channel Relay Drivers with Fast Recovery Time and Power-Save Mode

+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.)
OUT_ TURN-ON DELAY TIME
vs. SUPPLY VOLTAGE
140
120
100
80
60
40
20
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
OUT_ TURN-OFF DELAY TIME
vs. SUPPLY VOLTAGE
1600
1400
1200
1000
800
600
400
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
INPUT-LOGIC THRESHOLD
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
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
CS
5V/div
0V
VOUT
2V/div
0V
100µs/div
POWER-SAVE DELAY TIME
vs. CAPACITANCE
40
V_CC = 3.3V
35
30
25
20
15
10
5
0
0
200 400 600 800 1000
CAPACITANCE (nF)
POWER-SAVE DELAY TIME
vs. SUPPLY VOLTAGE
4.00
3.95 ^{CPSAVE = 0.1µF}
3.90
3.85
3.80
3.75
3.70
3.65
3.60
3.55
3.50
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE vs. OUTPUT CURRENT
IN POWER-SAVE MODE
(PSAVE REGISTER = 111)
0.8
0.7
0.6
0.5
0.4
0.3
0
50 100 150 200 250 300
OUTPUT CURRENT (mA)
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