參數(shù)資料
型號: TDA8768A
廠商: NXP Semiconductors N.V.
英文描述: 12-bit, 70 Msps Analog-to-Digital Converter (ADC)
中文描述: 12位,70 Msps的模擬到數(shù)字轉(zhuǎn)換器(ADC)
文件頁數(shù): 23/32頁
文件大小: 915K
代理商: TDA8768A
Philips Semiconductors
TDA8768A
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
Product data
Rev. 02 — 03 July 2002
23 of 32
9397 750 09656
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
12. Support information
12.1 Definitions
12.1.1
Non-linearities
Integral Non-Linearity (INL).:
It is defined as the deviation of the transfer function
from a best fit straight line (linear regression computation). The INL of the code i is
obtained from the equation:
V
i
( )
V
ideal
(
)
S
where
and
S = slope of the ideal straight line = code width; i = code value.
Differential Non-Linearity (DNL).:
It is the deviation in code width from the value of
1LSB.
V
i
1
+
(
)
V
i
( )
S
where
Fig 25. PCB layout (power plane).
FCE727
INL i
( )
-----------------------------------------------
=
i
0
2
n
1
(
)
=
DNL i
( )
--------------------------------------------
1
=
i
0
2
n
2
(
)
=
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