参数资料
型号: SAF-C868A-1SGBA
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 40 MHz, MICROCONTROLLER, PDSO28
封装: PLASTIC, SO-28
文件页数: 72/82页
文件大小: 1252K
代理商: SAF-C868A-1SGBA
C868
Data Sheet
74
V 1.0, 2003-05
A/D Converter Characteristics
(Operating Condition Parameters)
Parameter
Symbol
Limits
Unit Test Condition
min
max
Analog input voltage
VAIN
VAGND
VAREF
V
1)
VAIN may exceed VAGND or VAREF up to the maximum ratings. However, the conversion result in these
cases will be 00H or FFH, respectively.
Sample time
tS
64*
tSYS
52*
tSYS
48*
tSYS
40*
tSYS
32*
tSYS
24*
tSYS
16*
tSYS
8*
tSYS
512*
tSYS
448*
tSYS
384*
tSYS
320*
tSYS
256*
tSYS
192*
tSYS
128*
tSYS
64*
tSYS
ns
Prescaler/32
Prescaler/28
Prescaler/24
Prescaler/20
Prescaler/16
Prescaler/12
Prescaler/8
Prescaler/4
Conversion cycle time
tADCC
322*
tSYS
282*
tSYS
242*
tSYS
202*
tSYS
162*
tSYS
122*
tSYS
82*
tSYS
42*
tSYS
770*
tSYS
674*
tSYS
578*
tSYS
482*
tSYS
386*
tSYS
290*
tSYS
194*
tSYS
98*
tSYS
ns
Prescaler/32
Prescaler/28
Prescaler/24
Prescaler/20
Prescaler/16
Prescaler/12
Prescaler/8
Prescaler/4
Total unadjusted error
TUE
±2
±3
LSB
VAGND ≤ VAIN ≤ VAREF
2)
VAGND ≤ VAIN ≤ VAREF
3)
2) T
UE (max.) is tested at – 20 ≤ TA ≤ 125 °C; VDDP = 3.3 V; VAREF = VDDP V and VSSP = VAGND. It is guaranteed
by design characterization for all other voltages within the defined voltage range.
3) T
UE (max.) is tested at – 40 ≤ TA < – 20 °C; VDDP ≤ 3.3 V; VAREF = VDDP and VSSP = VAGND. It is guaranteed
by design characterization for all other voltages within the defined voltage range.
ADC input resistance
RAIN
1.5
k
4)5)
ADC input capacitance CAIN
10
pF
5)
ADC reference pin
capacitance
CAREF
40
pF
5)
Note:
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