參數(shù)資料
型號(hào): SAK-TC1762-128F66HL
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁數(shù): 97/114頁
文件大?。?/td> 852K
代理商: SAK-TC1762-128F66HL
TC1762
Electrical Parameters
Preliminary
Data Sheet
79
V1.0, 2008-04
Figure 4-1
ADC0 Clock Circuit
15)
I
AREF_MAX is valid for the minimum specified conversion time. The current flowing during an ADC conversion
with a duration of up to
t
C =25s can be calculated with the formula IAREF_MAX = QCONV/tC. Every conversion
needs a total charge of
Q
CONV = 150pC from VAREF.
All ADC conversions with a duration longer than
t
C = 25s consume an IAREF_MAX = 6A.
16) For the definition of the parameters see also Figure 4-2.
17) Applies to AIN0 and AIN1, when used as auxiliary reference inputs.
18) This represents an equivalent switched capacitance. This capacitance is not switched to the reference voltage
at once. Instead of this smaller capacitances are successively switched to the reference voltage.
19) The sampling capacity of the conversion C-Network is pre-charged to
V
AREF/2 before the sampling moment.
Because of the parasitic elements the voltage measured at AINx is lower then
V
AREF/2.
MCA04657_mod
Programmable
Clock Divider
(1:1) to (1:256)
f
BC
f
DIV
Fractional
Divider
f
CLC
f
ANA
Programmable
Counter
Sample
Time
t
S
CON.CTC
CHCONn.STC
f
TIMER
Control/Status Logic
Interrupt Logic
External Trigger Logic
External Multiplexer Logic
Request Generation Logic
A/D Converter Module
Arbiter
(1:20)
Control Unit
(Timer)
1:4
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