Rainbow Electronics DS1852 - Manual (Page 20)

DS1852
20 of 25
A/D CONVERTERS (-40°C to +100°C; V
CC
= 2.7V to 5.5V)
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS NOTES
Thermometer Error T
ERR
-40°C to +100°C ± 3.0 °C
Conversion Time t
CONVT
12-bit conversion 10 20 ms
Voltage A/D input VAD
in
0.0
V
CC
+
0.3
V
Voltage A/D Offset VAD
off
± 0.25 % FSR
Absolute Voltage A/D
Error
VAD
err
± 0.5 % FSR 3
Differential Voltage A/D
Nonlinearity
VAD
DNL
± 0.25 % FSR
COMPARATORS (-40°C to +100°C; V
CC
= 2.7V to 5.5V)
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS NOTES
Sample Time t
samp
8 10 µs 2
Fast-Trip Input Range FT
range
0
V
CC
+
0.3
V
Fast-Trip Absolute Error FT
err
±1.0 % FSR
Fast-Trip Nonlinearity FT
DNL
±2.0 LSB