mc44251 Freescale Semiconductor, Inc, mc44251 Datasheet - Page 11

• Manufacturer Part Number: mc44251
• Description: Triple 8-bit Video Three-state Outputs
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
Step Size Ideal:
Differential Nonlinearity (D NL ):
D
NL
(n)
* See dither generator.
MAX CODE*
MIN CODE*
LSB ideal = V range /255
(Min code = 0 or 1; see dither generator)
+
V
M
V range
(n
255
MID–POINTS
)
V min
SSI
OUTPUT CODE
1)–V
V offset
+
SSI
M
(n)
V min
–1 in LSB
Figure 10. Integral Nonlinearity and Offset
MID–POINT
VOLTAGE
1/GAIN = SLOPE
I NL (n+5)
V range
n
n+1
V max
n+2
Figure 11.
n+3
Integral Nonlinearity (I NL ) and Offset:
Gain:
V offset : V offset = b – V min
n+4
Note: I NL (min code) and I NL (max code) is not defined.
Y = a code + b
n+5
I
Gain = a in the formula Y = a code + b
or the slope in the curve mid–points = f(code)
NL
n+6
(n)
+
LEAST SQUARE
V
FIT LINE
M
(n)
OUTPUT
DC INPUT VOLTAGE
*
SSI
CODE
a
·
n
*
b
in LSB
MC44251
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