ST92141 STMicroelectronics, ST92141 Datasheet - Page 171
ST92141
Manufacturer Part Number
ST92141
Description
8/16-bit Mcu For 3-phase Ac Motor Control
Manufacturer
STMicroelectronics
Datasheet
1.ST92141.pdf
(179 pages)
- Current page: 171 of 179
- Download datasheet (3Mb)
A/D ANALOG SPECIFICATIONS
(V
Note:
(1) “1LSBideal” has a value of AV
(2) Including sample time
(3) This is the internal series resistance before the sampling capacitor
(4) This is a typical expected value, but not a tested production parameter.
(5) Simulated value.
(6) The specified values are guaranteed only if an overload condition occurs on a maximum of 2 non-selected analog input pins and the
Conversion time
Sample time
Power-up time
Resolution
Monotonicity
No missing codes
Zero input reading
Full scale reading
Offset error
Gain error
Diff. Non Linearity error (DNL)
Int. Non Linearity error (INL)
Absolute Accuracy
Input Resistance
Hold Capacitance
Input Leakage
DD
If V(i) is the value of the i-th transition level (0
absolute sum of input overload currents on all analog input pins does not exceed 10 mA.
= 5V, T
OFFSET ERROR= deviation between the actual V(0) and the ideal V(0) (=1/2 LSB)
GAIN ERROR= deviation between the actual V(254) and the ideal V(254) - V(0) (ideal V(254)=AV
DNL ERROR= max {[V(i) - V(i-1)]/LSB - 1}
INL ERROR= max {[V(i) - V(0)]/LSB - i}
ABS. ACCURACY= overall max conversion error
Parameter
A
=
2
5°C, f
INTCLK
DD
/256
= 25MHz, unless otherwise specified)
Typical
i
2.7
8
254), the performance of the A/D converter has been evaluated as follows:
ST92141 - ELECTRICAL CHARACTERISTICS
Minimum
138
1.4
85
60
00
8
GUARANTEED
GUARANTEED
Maximum
FF
1
1
1
1
2
1
DD
Units (1)
INTCLK
INTCLK
-3/2 LSB)
LSBs
LSBs
LSBs
LSBs
LSBs
Hex
Hex
bits
k
pF
A
s
(1)(4)(6)
(3)(5)(6)
Notes
171/179
(2)(6)
(4)(6)
(4)(6)
(4)(6)
(4)(6)
(5)(6)
(6)
(6)
(6)
(6)
(6)
1
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