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ADM8691ARN Datasheet(PDF) 9 Page - Analog Devices

Part No. ADM8691ARN
Description  Microprocessor Supervisory Circuits
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM8691ARN Datasheet(HTML) 9 Page - Analog Devices

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Typical Performance Curves–ADM8690–ADM8695
REV. 0
–9–
IOUT – mA
5.00
20
100
40
60
80
4.94
10
30
50
70
90
4.99
4.98
4.97
4.96
4.95
Figure 8. VOUT vs. IOUT Normal
Operation
TEMPERATURE –
°C
1.315
1.295
1.28
–60
–30
120
030
90
1.29
1.285
60
1.31
1.305
1.3
Figure 11. PFI Input Threshold vs.
Temperature
TIME – µs
6
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
5
0
1.35
1.25
2
1
4
3
VCC = 5V
TA = +25°C
PFO
VPFI
1.3V
30pF
Figure 14. Power Fail Comparator
Response Time
IOUT – µA
2.8
1050
2.786
150 250 350 450 550 650 750 850 950
2.798
2.794
2.792
2.79
2.788
2.796
Figure 9. VOUT vs. IOUT Battery
Backup
TEMPERATURE –
°C
53
52
49
20
40
120
60
80
100
51
50
VCC = +5V
ADM8690
ADM8691
ADM8692
ADM8693
Figure 12. Reset Active Time vs.
Temperature
TIME – µs
6
0
10 20
30
40
50 60
70
80
5
0
1.35
1.25
2
1
4
3
VCC = 5V
TA = +25°C
PFO
VPFI
1.3V
30pF
90
Figure 15. Power Fail Comparator
Response Time
10
90
100
0%
3.36 V
500ms
A4
1V
1V
Figure 10. Reset Output Voltage vs
Supply Voltage
TEMPERATURE –
°C
4.69
4.67
4.55
–60
–30
120
30
60
90
4.65
4.63
VCC = +5V
4.61
4.59
4.57
0
Figure 13. Reset Voltage Threshold
vs. Temperature
TIME – µs
6
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
5
0
1.35
1.25
2
1
4
3
VCC = 5V
TA = +25°C
PFO
VPFI
1.3V
30pF
10k
+5V
1.8
Figure 16. Power Fail Comparator
Response Time with Pull-Up Resistor


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