CMP401 Datasheet, PDF (6/8 Pages) Analog Devices – 23 ns and 65 ns Low Voltage Comparators

CMP401/ CMP402
110
+V_AN = +V_DIG
100
–V_AN = 0V TO –5V
90
R_S ≤ 50Ω, C_L = 15pF
T_A = +25°C
80
70
60
+P_DELAY
50
–P_DELAY
40
30
1
2
3
4
5
6
POSITIVE SUPPLY VOLTAGE – Volts
50
45
40
35
+P_DELAY
30
–P_DELAY
25
20
15
10
+V_AN = +V_DIG = +5V
–V_AN = 0V TO –5V
5
R_S = 50Ω, T_A = +25°C
0
0
100 200
300
400 500
CAPACITIVE LOAD – pF
90
80
70
60
50
40
30
20
10
0
0
+P_DELAY
–P_DELAY
+V_AN = +V_DIG = +5V
–V_AN = 0V TO –5V
R_S ≤ 50Ω, T_A = +25°C
100
200 300
400
500
CAPACITIVE LOAD – pF
Figure 11. CMP402 Propagation Delay Figure 12. CMP401 Propagation Delay Figure 13. CMP402 Propagation Delay
vs. Supply Voltage – 20 mV OD
vs. Capacitive Load
vs. Capacitive Load
1200
1000
800
+V_AN = +V_DIG
–V_AN = 0V TO –5V
R_S ≤ 50Ω, C_L = 15pF
T_A = +25°C
–SLEW
600
+SLEW
400
200
0
1
2
3
4
5
6
POSITIVE SUPPLY VOLTAGE – Volts
80
70
60
50
40
30
20
10
0
1
+V_AN = +V_DIG
–V_AN = 0V TO –5V
R_S ≤ 50Ω, C_L = 15pF
T_A = +25°C
+P_DELAY
–P_DELAY
2
3
4
5
6
SUPPLY VOLTAGE – Volts
1000
T_A = +25°C
100
–∆RAIL
10
+∆RAIL
1
0.1
1
10
100 1000 10000 100000
LOAD CURRENT – µA
Figure 14. CMP401/CMP402 Slew Rate
vs. Positive Supply Voltage
Figure 15. CMP401 Propagation Delay
vs. Supply Voltage
Figure 16. CMP401/CMP402 Delta
Output Swing from Power Supplies vs.
Load Current
2.5
2.0
1.5
1
0.5
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE – °C
Figure 17. CMP401/CMP402 Input
Offset Voltage vs. Temperature
2.0
1.6
+5V
1.2
0.8
0.4
+3V
0.0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE – °C
Figure 18. CMP401 Digital Supply
Current vs. Temperature
2.0
1.6
+5V
1.2
0.8
0.4
+3V
0.0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE – °C
Figure 19. CMP402 Digital Supply
Current vs. Temperature
–6–
REV. 0