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ADM12914-2ARQZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
ADM12914 Data Sheet
Rev. F | Page 6 of 16
Pin No.
ADM12914-1 ADM12914-2 Mnemonic Description
15 15 TIMER Adjustable Reset Delay Timer. Connect an external capacitor to the TIMER pin to program
the reset timeout delay. Refer to Figure 15 in the Typical Performance Characteristics
section. Connect this pin to V
CC
to bypass the timer.
16 16 V
CC
Supply Voltage. V
CC
operates as a direct supply for voltages up to 6 V. For voltages greater
than 6 V, it operates as a shunt regulator. A dropper resistor must be used in this
configuration to limit the current to less than 10 mA. When used without the resistor, the
voltage at this pin must not exceed 6 V. A 0.1 μF bypass capacitor or greater should be
used.
1
N/A means not applicable.
Data Sheet ADM12914
Rev. F | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
0.505
0.503
0.504
0.501
0.502
0.499
0.500
0.497
0.498
0.495
0.496
–40 –25 –10 1251109580655035205
TEMPERATURE (°C)
THRESHOLD VOLTAGE,
V
UOT
(V)
0
8265-012
Figure 4. Input Threshold Voltage vs. Temperature
90
50
TEMPERATURE (°C)
I
CC
(µA)
85
80
75
70
65
60
55
–40 –25 –10 1251109580655035205
V
CC
= 6V
V
CC
= 3.3V
V
CC
= 2.3V
08265-013
Figure 5. Supply Current vs. Temperature
6.80
6.40
TEMPERATURE (°C)
V
CC
(V)
6.75
6.70
6.65
6.60
6.55
6.50
6.45
200µA
1mA
2mA
5mA
10mA
–40 –25 –10 1251109580655035205
08265-014
Figure 6. V
CC
Shunt Voltage vs. Temperature
6.80
6.40
02 46810
I
CC
(mA)
V
CC
(V)
6.75
6.70
6.65
6.60
6.55
6.50
6.45
+25°C
–40°C
+85°C
08265-015
Figure 7. V
CC
Shunt Voltage vs. I
CC
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
TEMPERATURE (°C)
REFERENCE VOLTAGE, V
REF
(V)
–40 –25 –10 1251109580655035205
08265-016
Figure 8. Buffered Reference Voltage vs. Temperature
1000
900
800
700
600
500
400
300
200
100
0
0.1 1 10 100
COMPARATOR OVERDRIVE (% OF V
UOT
)
TRANSIENT DURATION (µs)
V
CC
= 2.3V
V
CC
= 6V
RESET ASSERTED
ABOVE THE LINE
08265-017
Figure 9. Transient Duration vs. Comparator Overdrive
ADM12914 Data Sheet
Rev. F | Page 8 of 16
14
13
12
11
10
9
8
7
TEMPERATURE (°C)
UV/OV TIMEOUT PERIOD,
t
UOTO
(ms)
–40 –25 –10 1251109580655035205
0
8265-018
Figure 10.
UV
/
OV
Timeout Period vs. Temperature
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
SUPPLY VOLTAGE, V
CC
(V)
UV VOLTAGE (V)
WITH 10kΩ PULL-UP
WITHOUT PULL-UP
08265-019
Figure 11.
UV
Output Voltage vs. V
CC
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
012345
SUPPLY VOLTAGE, V
CC
(V)
UV VOLTAGE (V)
VHx = 0.55V
SEL = V
CC
08265-020
Figure 12.
UV
Output Voltage vs. V
CC
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
012 3456
SUPPLY VOLTAGE, V
CC
(V)
PULL-DOWN CURRENT I
UV
(mA)
VHx = 0.45V
SEL = V
CC
UV = 150mV
UV = 50mV
08265-021
Figure 13. I
SINK
, I
UV
vs. V
CC
1000
900
800
700
600
500
400
300
200
100
0
0 5 10 15
I
SINK
(mA)
+85°C
+25°C
–40°C
UV/OV, V
OL
(mV)
0
8265-022
Figure 14.
UV
/
OV
Voltage Output Low vs. Output Sink Current
10k
1k
100
10
1
0.1 1 10 100 1000
TIMER PIN CAPACITANCE C
TIMER
(nF)
UV/OV TIMEOUT PERIOD,
t
UOTO
(ms)
08265-023
Figure 15.
UV
/
OV
Timeout Period vs. Capacitance
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

ADM12914-2ARQZ

Mfr. #:
Buy ADM12914-2ARQZ
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits IC Quad UV/OV VTG Monitor
Lifecycle:
New from this manufacturer.
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