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参数资料
| 型号： | ADM1192 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Digital Power Monitor with Clear Pin and ALERT Output |
| 中文描述： | 数字电源监视器和警报清除引脚输出 |
| 文件页数： | 4/20页 |
| 文件大小： | 274K |
| 代理商： | ADM1192 |
ADM1192
Parameter
SETV PIN
Overcurrent Trip Threshold
Overcurrent Trip, Gain {V
SETV
/(V
VCC
V
SENSE
)}
Input Current, I
SETVLEAK
Glitch Filter, t
SETVGLITCH
TIMER PIN
Pull-Up Current (Overcurrent Fault), I
TIMERUPOC
Pull-Down Current, I
TIMERDN
Pin Threshold High, V
TIMERH
ALERT PIN
Output Low Voltage, V
ALERTOL
Input Current, I
ALERT
ADR PIN
Set Address to 00, V
ADRLOWV
Set Address to 01, R
ADRLOWZ
Rev. 0 | Page 4 of 20
Min
98
49.5
1
46
1.275
1
0
80
Typ
100
50
18
3
62
100
1.3
0.05
1
120
Max
102
50.5
+1
78
1.325
0.1
1.5
+1
0.8
160
Unit
mV
mV
μA
μs
μA
μA
V
V
mA
μA
V
kΩ
Conditions
V
SETV
= 1.8 V
V
SETV
= 0.9 V
V
SETV
= 0.9 V to 1.9 V
V
SETV
= 0.9 V to 1.9 V
(18.125 × V
SENSE
) > V
SETV
, V
TIMER
= 1 V
Normal Operation, V
TIMER
= 1 V
TIMER rising
I
ALERT
= 100 μA
I
ALERT
= 2 mA
V
ALERT
= V
CC
; ALERT asserted
Low state
Resistor to ground state, load pin with
specified resistance for 01 decode
Open state, maximum load allowed on
ADR pin for 10 decode
High state
V
ADR
= 2.0 V to 5.5 V
V
ADR
= 0 V to 0.8 V
I
OL
= 3 mA
C
B
= bus capacitance from SDA to GND
Set Address to 10, I
ADRHIGHZ
0.3
+0.3
μA
Set Address to 11, V
ADRHIGHV
Input Current for 00 Decode, I
ADRLOW
Input Current for 11 Decode, I
ADRHIGH
I
2
C TIMING
Low Level Input Voltage, V
IL
High Level Input Voltage, V
IH
Low Level Output Voltage on SDA, V
OL
Output Fall Time on SDA from V
IHMIN
to V
ILMAX
2
40
0.7 V
BUS
20 +
0.1 C
B
50
3
25
5.5
6
0.3 V
BUS
0.4
250
V
μA
μA
V
V
V
ns
Maximum Width of Spikes Suppressed by Input
Filtering on SDA and SCL Pins
Input Current, I
I
, on SDA/SCL When not Driving
Out a Logic Low
Input Capacitance on SDA/SCL
SCL Clock Frequency, f
SCL
Low Period of the SCL Clock
High Period of the SCL Clock
Setup Time for Repeated Start Condition, t
SU;STA
SDA Output Data Hold Time, t
HD;DAT
Setup Time for a Stop Condition, t
SU;STO
Bus Free Time Between a Stop and a Start
Condition, t
BUF
Capacitive Load for Each Bus Line
250
ns
10
+10
μA
600
1300
600
100
600
1300
5
400
900
pF
kHz
ns
ns
ns
ns
ns
ns
400
pF
1
Monitoring accuracy is a measure of the error in a code that is read back for a particular voltage/current. This is a combination of amplifier error, reference error, ADC
error, and error in ADC full-scale code conversion factor.
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