参数资料
型号: ST72141K2B3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, PLASTIC, SDIP-32
文件页数: 32/133页
文件大小: 2615K
代理商: ST72141K2B3/XXX
Obsolete
Product(s)
- Obsolete
Product(s)
ST72141K2
127/133
MEMORY AND PERIPHERAL CHARACTERISTICS (Cont’d)
Px.x/AINx
RAIN
VAIN
Cpin
5pF
VDD
VT = 0.6V
leakage
VT = 0.6V
Cpin
VT
leakage
Chold
SS
Sampling
Switch
SS
RSS
at the pin due
to various junctions
Chold
6 pF
capacitance
= input capacitance
= threshold voltage
= sampling switch
= sample/hold
±1A
VSS
= leakage current
2
ΚΩ
OE
GE
1 LSB (ideal)
1LSB
ideal
V
DDA
V
SSA
256
-----------------------------------------
=
Vin (LSBideal)
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
TUE=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
OE=Offset Error: deviation between the first actual
transition and the first ideal one.
GE=Gain Error: deviation between the last ideal
transition and the last actual one.
DLE=Differential Linearity Error: maximum devia-
tion between actual steps and the ideal one.
ILE=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
Digital Result ADCDR
255
254
253
5
4
3
2
1
0
7
6
1
234567
253 254 255 256
(1)
(2)
TUE
DLE
ILE
(3)
VDDA
VSSA
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