参数资料
型号: MPC5604PEFMLQ4R
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封装: 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-144
文件页数: 40/72页
文件大小: 1382K
代理商: MPC5604PEFMLQ4R
MPC5604P Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
45
3.13.2
ADC Conversion Characteristics
Table 25. ADC Conversion Characteristics
Symbol
Parameter
Conditions1
1 V
DD = 3.3V to 3.6V / 5.0V to 5.5V, TA = –40 to +125 °C, unless otherwise specified and analog input voltage from
VAGND to VAREF.
Value
Unit
Min
Typ
Max
fCK
SR ADC Clock frequency
(depends on ADC
configuration)
(The duty cycle depends on
AD_ck2 frequency)
2 AD_CK 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,
ADC_conf_sample_input = 17
125
ns
fADC = 9 MHz,
INPSAMP = 255
28.2
s
tADC_C
P
Conversion time5
fADC = 20 MHz
6,
ADC_conf_comp = 3
0.625
s
CS
7
D
ADC input sampling
capacitance
——
2.5
pF
CP1
D
ADC input pin capacitance 1
0.88
pF
CP2
D
ADC input pin capacitance 2
1
pF
RSW1
D
Internal resistance of analog
source
——
0.6
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.
TBD
TBD
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
TBD
TBD
LSB
TUE
T
Total unadjusted error with
current injection
—-3
3
LSB
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