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參數(shù)資料
| 型號(hào)： | CPM100 |
| 英文描述： | CPM100 - DISCONTINUED PRODUCT. No longer recommended for new design. |
| 中文描述： | CPM100 -已停產(chǎn)產(chǎn)品。不再推薦用于新設(shè)計(jì)。 |
| 文件頁(yè)數(shù)： | 11/11頁(yè) |
| 文件大小： | 152K |
| 代理商： | CPM100 |
11
CMP100
Note that the transient being detected must remain above
V
(or below V
) longer than the propagation delay of
the CMP100 plus the propagation delay of gates G1 and G2.
In an application where only one polarity of transient needs
to be captured, comparator 2 (not latched) can be used as the
source of the Reset control signal to unlock comparator 1
based on a different threshold condition (defined by V
)
on the analog input signal. This connection will stretch the
transient occurrence for the time the V
REF 2
condition is
present.
WIDE-BAND AMPLIFIERS
FOR ANALOG INPUT SIGNAL CONDITIONING
In a component test application the analog input of the
CMP100 is usually driven directly from the DUT output.
Other applications may require a high-speed buffer or volt-
age gain ahead of the CMP100. Recommended wide-band-
width amplifiers are Burr-Brown OPA603 for up to
±
10V
signals, or OPA620/OPA621 for very wide-band
±
3V sig-
nals. A high speed instrumentation amplifier such as the
Burr-Brown INA110 can be used for common mode rejec-
tion.
FIGURE 6. CMP100 Used to Detect and Hold Transient Occurrences on the Output Pulse of a Device Under Test, or Out-of-
Limits Conditions in a Process-Variable Monitoring Application.
Q
1
ACOM
V
REF 2
Analog In
V
REF 1
LE
1
LE
1
DCOM
PWR
COM
V–
Q
2
Q
2
LE
2
LE
2
2
3
V+
11
12
14
13
4
5
16
49.9
+5V
1μF
0.1μF
1
15
9
7
6
–5.2V
1μF
0.1μF
133
CMP100
V
REF 1
V
REF 2
Q
1
–1.2V
G1
G2
G3
Reset
“1” = Reset
“0” = Ready
MC10102
0.1μF
249
–2V
All 49.9
10
8
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