參數(shù)資料
型號(hào)： MAC7142CFU50XX
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, LQFP-100
文件頁(yè)數(shù)： 19/56頁(yè)
文件大?。?/td> 757K
代理商： MAC7142CFU50XX
MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Electrical Characteristics
Freescale Semiconductor
26
3.10.2 ATD Accuracy
Table 29 and Table 30 specify the ATD conversion performance excluding any errors due to current
injection, input capacitance and source resistance.
For the following definitions, see Figure 9.
Differential Non-Linearity (DNL) is defined as the difference between two adjacent switching steps:
Eqn. 17
The Integral Non-Linearity (INL) is defined as the sum of all DNLs:
Eqn. 18
Table 29. ATD Conversion Performance in 5.0 V Range
Conditions shown in Table 7 except as noted here:
fATDCLK = 2.0 MHz, 4.5 V ≤ VDDA ≤ 5.5 V
Num C
Rating
Symbol
Min
Typ
Max
Unit
R1
P 10-bit Resolution
LSB
—
5 1
NOTES:
1. Assumes VREF = VRH – VRL = 5.12 V, other VREF conditions result in different LSB resolutions.
—mV
R2
P 10-bit Differential Nonlinearity
DNL
–1
—
1
Counts
R3
P 10-bit Integral Nonlinearity
INL
–2.5
±1.5
2.5
Counts
R4
P 10-bit Absolute Error 2
2. These values include the quantization error which is inherently count for any A/D converter.
AE
–3
±2.0
3
Counts
R5
P 8-bit Resolution
LSB
—
—mV
R6
P 8-bit Differential Nonlinearity
DNL
–0.5
—
0.5
Counts
R7
P 8-bit Integral Nonlinearity
INL
–1.0
±0.5
1.0
Counts
R8
P 8-bit Absolute Error 2
AE
–1.5
±1.0
1.5
Counts
Table 30. ATD Conversion Performance in 3.3 V Range
Conditions shown in Table 7 except as noted here:
fATDCLK = 2.0 MHz, 3.15 V ≤ VDDA ≤ 3.6 V
Num C
Rating
Symbol
Min
Typ
Max
Unit
S1
P 10-bit Resolution
LSB
—
3.25 1
NOTES:
1. Assumes VREF = VRH – VRL = 3.33 V, other VREF conditions result in different LSB resolutions.
—mV
S2
P 10-bit Differential Nonlinearity
DNL
–1.5
—
1.5
Counts
S3
P 10-bit Integral Nonlinearity
INL
–3.5
±1.5
3.5
Counts
S4
P 10-bit Absolute Error 2
2. These values include the quantization error which is inherently count for any A/D converter.
AE
–5
±2.0
5
Counts
S5
P 8-bit Resolution
LSB
—
—mV
S6
P 8-bit Differential Nonlinearity
DNL
–0.5
—
0.5
Counts
S7
P 8-bit Integral Nonlinearity
INL
–1.5
±1.0
1.5
Counts
S8
P 8-bit Absolute Error 2
AE
–1.5
±1.0
1.5
Counts
DNL i
()
V
i
V
i1
–
1 LSB
----------------------
1
–
=
INL n
()
DNL i
()
i1
=
n
∑
V
n
V
0
–
1 LSB
-------------------
n
–
==
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:MAC7131
products
in
208
MAPBGA
packages
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