參數(shù)資料
型號: KS86P4208
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: SAM87Ri family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-pr
中文描述: SAM87Ri家庭的8位單芯片CMOS微控制器提供了快速,高效的CPU,一個(gè)廣泛的集成外設(shè),各種面具,公關(guān)
文件頁數(shù): 19/28頁
文件大?。?/td> 204K
代理商: KS86P4208
KS86C4204/C4208/P4208
ELECTRICAL DATA
16-11
Table 16-10. A/D Converter Electrical Characteristics
(T
A
= – 40
°
C to + 85
°
C, V
DD
= 1.8/3.0 V to 5.5 V, V
SS
= 0 V)
Parameter
Symbol
Test Conditions
V
DD
= 5.12 V
CPU clock = 10 MHz
AV
REF
= 5.12 V
AV
SS
= 0 V
Min
Typ
Max
±
3
Unit
Total accuracy
LSB
Integral linearity error
ILE
±
2
±
1
±
3
±
2
LSB
Differential linearity error
DLE
Offset error of top
EOT
±
1
±
1
Offset error of bottom
EOB
t
CON
V
IAN
R
AN
AV
REF
AV
SS
Conversion time
(1)
fosc = 10 MHz
20
μ
s
Analog input voltage
AV
SS
AV
REF
V
Analog input impedance
2
M
ADC reference voltage
2.5
V
DD
V
SS
+
0.3
V
ADC reference ground
V
SS
V
Analog input current
I
ADIN
I
ADC
AV
REF
= V
DD
= 5 V
AV
REF
= V
DD
= 5 V
AV
REF
= V
DD
= 3 V
AV
REF
= V
DD
= 5 V
Power down mode
10
μ
A
ADC block
1
3
mA
current
(2)
0.5
1.5
100
500
nA
NOTES:
1.
2.
‘Conversion time’ is the time required from the moment a conversion operation starts until it ends.
I
ADC
is operating current during A/D conversion.
11 1111 1111
11 1111 1110
11 1111 1101
.
.
.
.
.
.
.
00 0000 0010
00 0000 0001
00 0000 0000
V
EOB
AV
SS
V
2
V
(K-1)
V
(K)
V
EOT
AV
REF
Analog Input
Digital Output
Figure 16-6. Definition of DLE and ILE
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