XC2712X
XC2000 Family / Compact Line
Electrical Parameters
PRELIMINARY
Data Sheet
64
V1.0, 2010-12
Figure 12
Equivalent Circuitry for Analog Inputs
3) The broken wire detection delay against
V
AGND is measured in numbers of consecutive precharge cycles at a
conversion rate of not more than 500 s. Result below 10% (66H)
4) The broken wire detection delay against
VAREF is measured in numbers of consecutive precharge cycles at a
conversion rate of not more than 10 s. This function is influenced by leakage current, in particular at high
temperature. Result above 80% (332H)
5) TUE is based on 12-bit conversion.
6) TUE is tested at
V
AREF = VDDPB = 5.0 V, VAGND = 0 V. It is verified by design for all other voltages within the
defined voltage range. The specified TUE is valid only if the absolute sum of input overload currents on analog
port pins (see
I
OV specification) does not exceed 10 mA, and if VAREF and VAGND remain stable during the
measurement time.
7)
VAIN may exceed VAGND or VAREF up to the absolute maximum ratings. However, the conversion result in these
cases will be X000H or X3FFH, respectively.
A/D Converter
MCS05570
R
Source
V
AIN
C
Ext
C
AINT C AINS
-
R
AIN, On
C
AINS
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