Rainbow Electronics DS3501 - Manual (Page 3)

DS3501
High-Voltage, NV, I 2 C POT with Temp Sensor
and Lookup Table
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ANALOG VOLTAGE MONITORING CHARACTERISTICS
(V CC = +2.7V to +5.5V, T A = -40°C to +100°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Resolution LSB Full-scale voltage of 6.5536V 25.6 mV
Input/Supply Accuracy A CC At factory setting 0.25 1
% FS
(Full
Scale)
Input Supply Offset V OS (Note 7) 0 5 LSB
Update Rate (Temperature and
Supply Conversion Time)
t FRAME 16 ms
TEMPERATURE SENSOR CHARACTERISTICS
(V CC = +2.7V to +5.5V, T A = -40°C to +100°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Temperature Error ±5 °C
Update Rate (Temperature and
Supply Conversion Time)
t FRAME 16 ms
VOLTAGE-DIVIDER CHARACTERISTICS
(V CC = +2.7V to +5.5V, T A = -40°C to +100°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Integral Nonlinearity INL (Note 8) -1 +1 LSB
Differential Nonlinearity DNL (Note 9) -0.5 +0.5 LSB
Zero-Scale Error ZS ERROR
V+ = 4.5V
(Note 10)
0 0.5 2 LSB
Full-Scale Error FS ERROR
V+ = 4.5V
(Note 11)
-2 -0.003 0 LSB
Ratiometric Temp Coefficient TCV WR set to 40h ±4 ppm/°C
I 2 C AC ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, T
A
= -40°C to +100°C, timing referenced to V
IL(MAX)
and V
IH(MIN)
. See Figure 3.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL Clock Frequency f SCL (Note 12) 0 400 kHz
Bus Free Time Between STOP
and START Conditions
t BUF 1.3 µs
Hold Time (Repeated) START
Condition
t HD:STA 0.6 µs
Low Period of SCL t LOW 1.3 µs
High Period of SCL t HIGH 0.6 µs