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MAX1489E 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1489E 15kV ESD-Protected, Quad, Low-Power RS-232 Line Receiver MaximIC
Maxim Integrated MaximIC
MAX1489E Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
±15kV ESD-Protected, Quad,
Low-Power RS-232 Line Receiver
__________________________________________Typical Operating Characteristics
(VCC = 5V, TA = +25°C, unless otherwise noted.)
PROPAGATION DELAY vs. TEMPERATURE
2.2
1.8
1.4
tPHL
tPLH
1.0
0.6
-40 -15 10
35
60
85
TEMPERATURE (°C)
PROPAGATION DELAY SKEW
vs. TEMPERATURE
800
600
400
200
0
-40
VCC = 5.25V
VCC = 5V
VCC = 4.75V
-15 10
35
60
85
TEMPERATURE (°C)
NOISE PULSE REJECTION
8
VIN = (VIL + VIH) ± PULSE AMP,
2
2
f = 300kHz
6
4
2
0
0.7 1.1 1.5 1.9 2.3 2.7
INPUT PULSE WIDTH (µs)
_____________________Pin Description
PIN
NAME
FUNCTION
3.0V
S.G.
1.5V
1, 4, 10,
13
INPUT_
Receiver Inputs
0V
tPHL
tPLH
2, 5, 9,
12
N.C.
No Connect—not internally
connected
90%
VOH
3, 6, 8,
11
OUTPUT_
Receiver Outputs
VOUT
50%
50%
7
GND
Ground
14
VCC
Supply Voltage
10%
VOL
tTR
tTR
VCC
SIGNAL
GENERATOR
(S.G.)
NOTE: S.G. SET TO f = 20kHz;
DUTY CYCLE = 50%;
tR, tF < 5.0ns
Figure 1. Timing Diagram
50pF
VOUT
_______________________________________________________________________________________ 3
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