SMM766
Preliminary Information
DC OPERATING CHARACTERISTICS (CONTINUED)
(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
AIN1/AIN2 ADC characteristics
Symbol
Parameter
Notes
Min
Typ
Max
Unit
N
Resolution
10
Bits
Minimum resolution for which no
missing codes are guaranteed
MC
Missing codes
10
Bits
S/N
DNL
INL
GAIN
OFFSET
Signal-to-noise Ratio
Differential non-linearity
Integral non-linearity
Positive full scale gain error
Offset error
Conversion rate = 500Hz
72
db
LSB
LSB
%
-1/2
-1
-0.5
-1
+1/2
+1
+0.5
+1
Note 1
Note 1
Note 1
LSB
Full scale temperature
PPM/
ADC_TC
±15
coefficient
oC
IMADC
IIVREF
ICVREF
IRVREF
Analog ADC Input Impedance
VREF input current
VREF input capacitance
VREF input impedance
10
250
200
1
MΩ
nA
pF
kΩ
Note 1 - The formula for the total ADC inaccuracy is: [((ADC read voltage) +/- INL)*(range of gain error)]+range of offset error
Summit Microelectronics, Inc
2086 2.1 12/13/2005
10
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
