參數(shù)資料
型號: MPC5603PEFMLQ
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, LQFP-144
文件頁數(shù): 52/84頁
文件大小: 1663K
代理商: MPC5603PEFMLQ
MPC5604P Microcontroller Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
56
3.13.2
ADC conversion characteristics
Table 29. ADC conversion characteristics
Symbol
Parameter
Conditions1
1 V
DD = 3.3V to 3.6V / 4.5V to 5.5V, TA = –40 to +125 °C, unless otherwise specified and analog input voltage from
VSS_HV_ADCx to VDD_HV_ADCx.
Value
Unit
Min
Typ
Max
fCK
SR ADC Clock frequency
(depends on ADC
configuration)
(The duty cycle depends on
AD_clk2 frequency)
2 AD_clk clock is always half of the ADC module input clock defined via the auxiliary clock divider for the ADC.
—33
3 When configured to allow 60 MHz ADC, the minimum ADC clock speed is 9 MHz, below which precision is lost.
—60
MHz
fs
SR Sampling frequency
1.53
MHz
tADC_S
D
Sample time4
4 During the sample time the input capacitance CS can be charged/discharged by the external source. The internal
resistance of the analog source must allow the capacitance to reach its final voltage level within tADC_S. After the
end of the sample time tADC_S, changes of the analog input voltage have no effect on the conversion result. Values
for the sample clock tADC_S depend on programming.
fADC = 20 MHz,
INPSAMP = 3
125
ns
fADC = 9 MHz,
INPSAMP = 255
28.2
s
tADC_C
P
Conversion time5
fADC = 20 MHz
6,
INPCMP = 1
0.650
s
CS
7
D
ADC input sampling
capacitance
——
2.5
pF
CP1
D
ADC input pin capacitance 1
3
pF
CP2
D
ADC input pin capacitance 2
1
pF
RSW1
D
Internal resistance of analog
source
VDD_HV_ADC = 5 V+/-10%
0.6
k
Ω
VDD_HV_ADC = 3.3 V+/-10%
3
k
Ω
RAD
D
Internal resistance of analog
source
——
2
k
Ω
IINJ
T
Input current injection
Current injection on one ADC input,
different from the converted one.
Remains within TUE spec.
-5
5
mA
INL
P
Integral Non Linearity
No overload
–1.5
1.5
LSB
DNL
P
Differential Non Linearity
No overload
–1.0
1.0
LSB
OFS
T
Offset error
±1
LSB
GNE
T
Gain error
±1
LSB
TUE
P
Total unadjusted error
without current injection
-2.5
2.5
LSB
TUE
T
Total unadjusted error with
current injection
—-3
3
LSB
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