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ADM1184ARMZ

P1-P3P4-P6P7-P9P10-P12P13-P13
ADM1184
Rev. 0 | Page 3 of 12
SPECIFICATIONS
V
CC
= 2.7 V to 5.5 V, T
A
= −40°C to +85°C.
Table 1.
Parameter Min Typ Max Unit Conditions
VCC Pin
Operating Voltage Range, V
CC
2.7 3.3 5.5 V
Supply Current, I
VCC
24 80 μA
VIN1 to VIN4 (VINx) Pins
Input Current, I
VINLEAK
−20 +20 nA V
VINx
= 0.7 V
Input Threshold, V
TH
0.5952 0.6000 0.6048 V
OUT1 to OUT3 (OUTx), PWRGD Pins
Output Low Voltage, V
OUTL
0.4 V V
CC
= 2.7 V, I
SINK
= 2 mA
0.4 V V
CC
= 1 V, I
SINK
= 100 μA
Leakage Current, I
ALERT
−1 +1 μA
V
CC
that Guarantees Valid Outputs 1 V
All outputs are guaranteed to be either low or to give
a valid output level from V
CC
= 1 V
TIMING DELAYS Refer to the timing diagrams in Figure 18 and Figure 19
VIN1 to OUT1, VIN2 to OUT2, VIN3 to OUT3
Low-to-High Propagation Delay 30 μs V
CC
= 3.3 V
High-to-Low Propagation Delay, All Inputs 30 μs V
CC
= 3.3 V
All Inputs High to PWRGD Rising Delay 100 190 280 ms V
CC
= 3.3 V
ADM1184
Rev. 0 | Page 4 of 12
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Rating
VCC Pin −0.3 V to +6 V
VINx Pins −0.3 V to +6 V
OUTx, PWRGD Pins −0.3 V to +6 V
Storage Temperature Range −65°C to +125°C
Operating Temperature Range −40°C to +85°C
Lead Temperature Soldering (10 sec) 300°C
Junction Temperature 150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θ
JA
is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 3. Thermal Resistance
Package Type θ
JA
Unit
10-Lead MSOP 137.5 °C/W
ESD CAUTION
ADM1184
Rev. 0 | Page 5 of 12
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
GND
1
V
IN1
2
V
IN2
3
V
IN3
4
V
IN4
5
VCC
10
OUT1
9
OUT2
8
OUT3
7
PWRGD
6
ADM1184
TOP VIEW
(Not to Scale)
07352-002
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 GND Chip Ground Pin.
2 VIN1
Noninverting Input of Comparator 1. The voltage on this pin is compared with a 0.6 V reference. Can be used to
monitor a voltage rail via a resistor divider.
3 VIN2
Noninverting Input of Comparator 2. The voltage on this pin is compared with a 0.6 V reference. Can be used to
monitor a voltage rail via a resistor divider.
4 VIN3
Noninverting Input of Comparator 3. The voltage on this pin is compared with a 0.6 V reference. Can be used to
monitor a voltage rail via a resistor divider.
5 VIN4
Noninverting Input of Comparator 4. The voltage on this pin is compared with a 0.6 V reference. Can be used to
monitor a voltage rail via a resistor divider.
6 PWRGD
Active High, Open-Drain Output. When the voltage on each VINx input exceeds 0.6 V, PWRGD is asserted after a
190 ms delay. Once PWRGD has been asserted, if the voltage monitored by VIN1, VIN2, VIN3, or VIN4 falls below 0.6 V,
the PWRGD output is deasserted immediately.
7 OUT3
Active High, Open-Drain Output. When the voltage on VIN3 exceeds 0.6 V, OUT3 is asserted. OUT3 remains asserted
until the voltage monitored by VIN3 falls below 0.6 V, and then it is driven low.
8 OUT2
Active High, Open-Drain Output. When the voltage on VIN2 exceeds 0.6 V, OUT2 is asserted. OUT2 remains asserted
until the voltage monitored by VIN2 falls below 0.6 V, and then it is driven low.
9 OUT1
Active High, Open-Drain Output. When the voltage on VIN1 exceeds 0.6 V, OUT1 is asserted. OUT1 remains asserted
until the voltage monitored by VIN1 falls below 0.6 V, and then it is driven low.
10 VCC Positive Supply Input Pin. The operating supply voltage range is 2.7 V to 5.5 V.
P1-P3P4-P6P7-P9P10-P12P13-P13

ADM1184ARMZ

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Manufacturer:
Analog Devices Inc.
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Supervisory Circuits 0.8% Accurate Quad VTG Monitor
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