TC1724 Datasheet, PDF (71/134 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1724
Electrical Parameters
Table 22 5V ADC Parameters (cont’d)
Parameter
Symbol
Values
Min. Typ. Max.
ON resistance for the
R_AIN7T
180
ADC test (pull down for
CC
AIN7)
550 900
Unit
Ohm
Resistance of the
R_AREF
−
reference voltage input
CC
path
500 1000 Ohm
Broken wire detection t_BWG CC −
−
delay against VAGND
Broken wire detection t_BWR CC −
−
delay against VAREF
Sample time
t_S CC 2
−
Calibration time after bit t_CAL CC −
−
ADC_GLOBCFG.SUCAL
is set
Total Unadjusted
Error^5)6)15)
TUE CC -4
−
Wakeup time from analog t_AWAF −
−
powerdown, fast mode CC
Wakeup time from analog t_AWAS −
−
powerdown, slow mode CC
Analog reference
ground²⁾
V_AGND0 V_SSM - −
SR 0.05
Analog input voltage
V_AIN SR V_AGND0 −
Analog reference
voltage²⁾
V_AREF0
SR
V_AGND0 −
+
V_DDM/2
Analog reference voltage V_AREF0 - V_DDM/2 −
range⁵⁾⁶⁾²⁾
V_AGND0
SR
50
13)
50
14)
257
T_ADCI
4352 cycles
4¹⁶⁾
LSB
5
μs
10
μs
V_AREF0 V
-
V_DDM/2
V_AREF0 V
V_DDM + V
0.05¹⁷⁾
18)
V_DDM + V
0.05
Note /
Test Condition
Test feature
available only
for odd AINx
pins
500 Ohm
increased if
AIN[1:0] used
as reference
input
ADC
resolution= 12-
bit
Data Sheet
5-26
V1.2, 2014-06