ISL28022 Datasheet, PDF (8/28 Pages) Intersil Corporation – Precision Digital Power Monitor

ISL28022
Electrical Specifications T_A = +25°C, V_CC = 3.3, V_INP = V_BUS = 12V, V_SENSE = V_INP-V_INM = 32mV, unless otherwise specified. All voltages
with respect to GND pin. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
MAX
(Note 9)
TYP
(Note 9) UNIT
POWER SUPPLY
Operating Supply Voltage Range
3
5.5
V
I_CCEXT
Power Supply Current On V_CC Pin, Active External power supply mode,
Mode
V_CC = 5V
0.7
1.0
mA
I_CCPD
Power Supply Current On V_CC Pin,
Power-Down Mode
External power supply mode,
V_CC = 5V
5
15
µA
NOTE:
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Typical Performance Curves
T_A = +25°C, V_CC = 3.3V, V_INP = V_BUS = 12V, S(B)ADC =15; unless otherwise specified.
25
20
15
10
5
0
-75 -60 -45 -30 -15 0 15 30 45 60 75
V_SHUNT V_OS (µV)
0.0750
0.0625 ^{SADC = 15}
0.0500
0.0375
0.0250
0.0125
V_CC = 3V
V_CC = 5V
0
-0.0125
-0.0250
-0.0375
-0.0500
V_CC = 3.3V
-0.0625
-0.0750
-50 -25
0
25
50
75 100 125
TEMPERATURE (°C)
FIGURE 2. V_SHUNT V_OS
FIGURE 3. V_SHUNT V_OS vs TEMPERATURE
40
35
30
25
20
15
10
5
0
-0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0 0.05 0.10 0.15 0.20 0.25 0.30
V_SHUNT MEASUREMENT ERROR (%)
FIGURE 4. V_SHUNT MEASUREMENT ERROR
0.3
0.2
V_CC = 5.5V
0.1
T = +25°C
V_SHUNT (CMV) = 12V
SADC = 15
0
-0.1 _{VCC = 3.3V}
-0.2
V_CC = 3V
-0.3
-0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0 0.05 0.10 0.15 0.20 0.25 0.30
V_SHUNT (V)
FIGURE 5. V_SHUNT MEASUREMENT ERROR vs V_SHUNT INPUT
8
FN8386.1
April 26, 2013