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參數(shù)資料
| 型號： | SP1674BS |
| 元件分類： | 串行ADC |
| 英文描述： | 12-Bit Sampling A/D Converters |
| 中文描述： | 12位采樣的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 172K |
| 代理商： | SP1674BS |
SP574B/674B/1674B/774B
12–Bit Sampling A/D Converters
10
Copyright 2000 Sipex Corporation
A
may be toggled without damage to the con-
verter at any time. Break–before–make action is
guaranteed between the two data bytes. This as-
sures that the outputs which are strapped together
in
Figure 5
will never be enabled at the same time.
In
Figure 7
, it can be seen that a read operation
usually begins after the conversion is complete and
STS is low. If earlier access is needed, the read can
begin no later than the addition of times t
DD
and t
HS
before STS goes low.
"NYQUIST" SAMPLING
Each of the
SPx74B
analog-to-digital convert-
ers has been designed to provide Nyquist sam-
pling
(highest input frequency is 1/2 of the
sampling rate)
data conversion with no degra-
dation in DC performance. This is shown in
Figure 10
. Note that the Differential Linearity
and Integral Linearity min/max values are well
within the
±
1/2 LSB limits of a K-version
Converter. Also, the Typical FFT at Nyquist
rates shown on
Figure 10
reflect the values
listed in the Typical AC Dynamics table.
STS
DELAY
R
CK
Q
D
H
D
CK
Q
Q
EOC8
EOC12
CE
R/C
A0
CS
12/8
READ CONTROL
A0 LATCH
INPUT BUFFERS
NIBBLE B ZERO
OVERRIDE
NIBBLE A, B
NIBBLE C
Figure 4. SPx74B Control Logic
28
27
26
25
24
23
22
21
20
19
18
17
16
15
STS
DB11 (MSB)
DB0 (LSB)
DIG
SPx74B
2
4
A0
ADDRESS BUS
A0
12/8
BUS
Figure 5. Interfacing SPx74B to 8–Bit Interface Bus
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP1674BT | 12-Bit Sampling A/D Converters |
| SP1674B | 12-Bit Sampling A/D Converters(12位采樣A/D轉(zhuǎn)換器) |
| SP674B | 12-Bit Sampling A/D Converters(12位采樣A/D轉(zhuǎn)換器) |
| SP774B | 12-Bit Sampling A/D Converters(12位采樣A/D轉(zhuǎn)換器) |
| SP7800 | 12-Bit 3ms Sampling A/D Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP1674BT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:12-Bit Sampling A/D Converters |
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| SP1694 | 制造商:SL Power Electronics 功能描述:- Bulk |
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