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參數(shù)資料
| 型號(hào)： | MAX9109EXT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 25ns, Dual/Quad/Single, Low-Power, TTL Comparators |
| 中文描述： | COMPARATOR, 4000 uV OFFSET-MAX, 25 ns RESPONSE TIME, PDSO6 |
| 封裝： | SC-70, 6 PIN |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大小： | 313K |
| 代理商： | MAX9109EXT-T |
M
25ns, Dual/Quad/Single, Low-Power,
TTL Comparators
_______________________________________________________________________________________
7
V
TRIP+
V
HYST
V
TRIP-
V
IN+
COMPARATOR
OUTPUT
V
OH
V
OL
V
TRIP+
+ V
TRIP-
2
V
OS
=
V
IN-
= 0
Figure 1. Input and Output Waveforms, Noninverting Input
Varied
possible. Pay close attention to the decoupling capaci-
tor
’
s bandwidth, keeping leads short. Short lead
lengths on the inputs and outputs are also essential to
avoid unwanted parasitic feedback around the com-
parators. Solder the device directly to the printed circuit
board instead of using a socket.
Overdriving the Inputs
The inputs to the MAX9107/MAX9108/MAX9109 may be
driven to the voltage limits given in the
Absolute
Maximum Ratings
. If the inputs are overdriven, there is
no output phase reversal.
Battery-Operated Infrared Data Link
In Figure 3, the circuit allows reception of infrared data.
The MAX4400 converts the photodiode current to a
voltage, and the MAX9109 determines whether the
amplifier output is high enough to be called a
“
1.
”
The
current consumption of this circuit is minimal: the
MAX4400 and MAX9109 require typically 410μA and
350μA, respectively.
t
PD
+
V
IN
V
OD
t
h
t
s
3V
1.4V
0
V
OS
V
OH
1.4V
V
OL
COMPARE
LATCH
LE
DIFFERENTIAL
INPUT
VOLTAGE
OUTPUT
Figure 2. MAX9109 Timing Diagram
10pF
1M
+5V
4
5
+5V
0.1
μ
F
DATA
4
3
100k
SIEMENS BP-104
PHOTODIODE
100k
+5V
1000pF
1000pF
47k
3
1
0.1
μ
F
2
6
1
MAX9109
MAX4400
2
5
Figure 3. Battery-Operated Infrared Data Link Consumes Only
760μA
Chip Information
MAX9107 TRANSISTOR COUNT: 262
MAX9108 TRANSISTOR COUNT: 536
MAX9109 TRANSISTOR COUNT: 140
PROCESS: Bipolar
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