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MPC5644B View Datasheet(PDF) - Freescale Semiconductor

Part Name
Description
MFG CO.
MPC5644B
Freescale
Freescale Semiconductor Freescale
'MPC5644B' PDF : 114 Pages View PDF
NOTE
All ADC conversion characteristics described in the table below are applicable only for the
precision channels. The data for semi-precision and extended channels is awaited and same
will be subsequently updated in later revs.
Table 43. Conversion characteristics (12-bit ADC_1)
Symbol
Parameter
Conditions1
VSS_ADC1 SR Voltage on
VSS_HV_ADC1
(ADC_1 reference)
pin with respect to
ground (VSS_HV)2
VDD_ADC13 SR Voltage on
VDD_HV_ADC1
pin (ADC_1
reference) with
respect to ground
(VSS_HV)
VAINx3,4
SR Analog input
voltage5
fADC1
SR ADC_1 analog
frequency
tADC1_PU
tADC1_S
tADC1_C
SR ADC_1 power up
delay
CC Sample time6
VDD=5.0 V
Sample time(6)
VDD=3.3 V
CC Conversion time7, 8
VDD=5.0 V
Conversion time(7),
(6)
VDD =5.0 V
Conversion time(7),
(6)
VDD=3.3 V
Conversion time(7),
(6)
VDD =3.3 V
CS
CC ADC_1 input
sampling
capacitance
CP1
CC ADC_1 input pin
capacitance 1
fADC1 = 32 MHz
fADC 1= 30 MHz
fADC 1= 20 MHz
fADC1 = 15 MHz
Min
0.1
VDD_HV_A 0.1
VSS_ADC1 0.1
8 + 2%
440
530
2
2.1
3
3.01
Value
Typ
1.5
5
3
Unit
Max
0.1
V
VDD_HV_A + 0.1 V
VDD_ADC1 + 0.1 V
32 + 2% MHz
µs
ns
µs
pF
pF
MPC5646C Microcontroller Data Sheet, Rev. 3
80
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
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