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參數(shù)資料
| 型號： | MAX987 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
| 中文描述： | 高速、微功耗、低電壓、SOT23封裝、滿擺幅輸入/輸出比較器 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 141K |
| 代理商： | MAX987 |
M
High-S peed, Mic ropower, Low-Voltage,
S OT 23, Rail-to-Rail I/O Comparators
10
______________________________________________________________________________________
Zero-Crossing Detec tor
Figure 3 shows a zero-crossing detector application.
The MAX987’s inverting input is connected to ground,
and its noninverting input is connected to a 100mVp-p
signal source. As the signal at the noninverting input
crosses 0V, the comparator’s output changes state.
Logic -Level T ranslator
Figure 4 shows an application that converts 5V logic lev-
els to 3V logic levels. The MAX988 is powered by the +5V
supply voltage, and the pull-up resistor for the MAX988’s
open-drain output is connected to the +3V supply volt-
age. This configuration allows the full 5V logic swing with-
out creating overvoltage on the 3V logic inputs. For 3V to
5V logic-level translation, simply connect the +3V supply
to V
CC
and the +5V supply to the pull-up resistor.
MAX987
IN+
4
3
OUT 1
2
5
V
CC
100mV
V
CC
V
EE
IN-
0.1
μ
F
MAX988
IN-
100k
100k
4
3
R
PULL-UP
3V (5V)
LOGIC OUT
OUT
1
5
2
V
CC
+5V (+3V)
+3V (+5V)
V
EE
5V (3V) LOGIC IN
IN+
0.1
μ
F
Figure 3. Zero-Crossing Detector
Figure 4. Logic-Level Translator
_____________________________________________Pin Configurations (c ontinued)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
OUTD
IND-
IND+
V
EE
V
CC
INA+
INA-
OUTA
MAX995
MAX996
INC+
INC-
OUTC
OUTB
INB-
INB+
SO
OUT
N.C.
V
EE
1
2
8
7
N.C.
V
CC
IN-
IN+
N.C.
SO
TOP VIEW
3
4
6
5
MAX987
MAX988
INB-
INB+
V
EE
1
2
8
7
V
CC
OUTB
INA-
INA+
OUTA
SO/
μ
MAX
3
4
6
5
MAX991
MAX992
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX987ESA | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
| MAX987EUK-T | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
| MAX988 | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
| MAX988ESA | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
| MAX988EUK-T | High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators |
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