參數(shù)資料
型號： SAB-XC167CI-16F20F
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP144
封裝： 0.50 MM PITCH, PLASTIC, TQFP-144
文件頁數(shù)： 59/80頁
文件大小： 2477K
代理商： SAB-XC167CI-16F20F
XC167
Derivatives
Electrical Parameters
Data Sheet
58
V1.1, 2003-06
Preliminary
Figure 14
Equivalent Circuitry for Analog Inputs
1)
TUE is tested at
VAREF = VDDP +0.1 V, VAGND = 0 V. It is guaranteed by design for all other voltages within
the defined voltage range.
If the analog reference supply voltage drops below 4.5 V (i.e.
VAREF ≥ 4.0 V) or exceeds the power supply
voltage by up to 0.2 V (i.e.
VAREF = VDDP + 0.2 V) the maximum TUE is increased to ±3 LSB. This range is not
100% tested.
The specified TUE is guaranteed only, if the absolute sum of input overload currents on Port 5 pins (see
IOV
specification) does not exceed 10 mA, and if
VAREF and VAGND remain stable during the respective period of
time. During the reset calibration sequence the maximum TUE may be
±4 LSB.
2)
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.
3)
The limit values for
fBC must not be exceeded when selecting the peripheral frequency and the ADCTC setting.
4)
This parameter includes the sample time
tS, the time for determining the digital result and the time to load the
result register with the conversion result (
tSYS = 1 / fSYS).
Values for the basic clock
tBC depend on programming and can be taken from Table 14.
When the post-calibration is switched off, the conversion time is reduced by 12 x
tBC
5)
The actual duration of the reset calibration depends on the noise on the reference signal. Conversions
executed during the reset calibration increase the calibration time. The TUE for those conversions may be
increased.
6)
Not 100% tested, guaranteed by design and characterization.
The given parameter values cover the complete operating range. Under relaxed operating conditions
(temperature, supply voltage) reduced values can be used for calculations. At room temperature and nominal
supply voltage the following typical values can be used:
CAINTtyp = 12 pF, CAINStyp = 7 pF, RAINtyp = 1.5 k, CAREFTtyp = 15 pF, CAREFStyp = 13 pF, RAREFtyp = 0.7 k.
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