MAX3292CPD 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3292CPD
Maxim Integrated
MAX3292CPD Datasheet PDF : 16 Pages
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RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
__________________________________________Typical Operating Characteristics
(VCC = +5V, TA = +25°C, unless otherwise noted.)
TYPICAL PREEMPHASIS WAVEFORM
VY - VZ
2V/
div
100ns/div
PREEMPHASIS INTERVAL vs. RPSET
(CPSET = 0.1µF)
2500
2250
2000
1750
1500
1250
NOTE A
1000
750
500
250
0
0 100 200 300 400 500 600 700 800 900 1000
RPSET (kΩ)
1200
1000
800
600
400
200
0
0
RPRE AND tPRE vs. tBAUD
NOTE A
500
1000
1500
2000
tBAUD (ns)
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. RDIFF
4.5
STRONG
4.0
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
4.25
4.00
STRONG (VODP)
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
60.0
CL = 50pF
57.5
3.5
3.0
NORMAL
2.5
2.0
1.5
1.0
3.75
55.0
3.50
52.5
3.25
50.0
3.00
47.5
2.75
2.50
NORMAL (VOD)
45.0
0.5
0
10 20 30 40 50 60 70 80 90 100
2.25
RDIFF = 54Ω
2.00
-40 -20 0 20 40 60 80 100
42.5
40.0
-40 -20 0 20 40 60
RDIFF (Ω)
DRIVER PROPAGATION DELAY
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. TEMPERATURE
RECEIVER PROPAGATION DELAY
50.0
CL1 = CL2 = 50pF
47.5
80 100
45.0
42.5
2.5V/
40.0
VA - VB
div
37.5
5V/
35.0
RO
div
32.5
30.0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
20ns/div
Note A: Dotted line represents region in which preemphasis may not work in systems with excessive power-supply noise. See
Preemphasis at Low Data Rates.
_______________________________________________________________________________________ 5
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