ISL28022 Datasheet, PDF (6/28 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
V_BUS
Useful Bus Voltage Range
BRNG = 0
BRNG = 1
0
16
V
0
32
V
BRNG = 2, 3
0
60
V
V_BUS_Step
V_BUS_VCO
R_VBACT
DC ACCURACY
LSB Step Size, Bus Voltage
V_BUS Voltage Coefficient
Input Impedance, VBUS Pin
BRNG = 0
Active Mode
4
mV
50
ppm/V
600
kΩ
ADC Resolution (Native)
Current Measurement Error
Current Measurement Error Over
Temperature
Bus Voltage Measurement Error
Bus Voltage Measurement Error Over
Temperature
ADC TIMING SPECS
PGA gain = /1,
V_SENSE = ±300mV
T_A = +25°C
T_A = -40°C to +85°C
T_A = -40°C to +125°C
T_A = +25°C
T_A = -40°C to +85°C
T_A = -40°C to +125°C
16
Bits
±0.2
±0.3
%
±0.5%
%
±1%
%
±0.2
±0.3
%
±0.5%
%
±1%
%
t_s
ADC Conversion Time
ADC setting = 0000
ADC setting = 0001
72
79.2
µs
132
145.2
µs
ADC setting = 0010
258
283.8
µs
ADC setting = 0011
508
558.8
µs
ADC setting = 1001
1.01
1.11
ms
ADC setting = 1010
2.01
2.21
ms
ADC setting = 1011
4.01
4.41
ms
ADC setting = 1100
8.01
8.81
ms
ADC setting = 1101
16.01
17.61
ms
ADC setting = 1110
32.01
35.21
ms
I²C INTERFACE SPECIFICATIONS
ADC setting = 1111
64.01
70.41
ms
V_IL
V_IH
Hysteresis
V_OL
SDA and SCL Input Buffer LOW Voltage
SDA and SCL Input Buffer HIGH Voltage
SDA and SCL Input Buffer Hysteresis
SDA Output Buffer LOW Voltage, Sinking V_CC = 5V, I_OL = 3mA
3mA
-0.3
0.3 x VCC V
0.7 x V_CC
V_CC + 0.3 V
0.05 x V_CC
V
0
0.02
0.4
V
C_PIN
f_SCL
SDA and SCL Pin Capacitance
SCL Frequency
T_A = +25°C, f = 1MHz,
V_CC = 5V, V_IN = 0V,
V_OUT = 0V
10
pF
400
kHz
6
FN8386.1
April 26, 2013