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ADM488 Datasheet(PDF) 7 Page - Analog Devices

Part No. ADM488
Description  Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers
Download  12 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM488 Datasheet(HTML) 7 Page - Analog Devices

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ADM488/ADM489
–7–
REV. 0
Typical Performance Characteristics–
OUTPUT VOLTAGE – Volts
40
35
0
0
0.5
2.5
1.0
1.5
2.0
20
15
10
5
30
25
Figure 10. Receiver Output Low
Voltage vs. Output Current
OUTPUT VOLTAGE – Volts
0
0.5
5.0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
0
–10
–90
–50
–60
–70
–80
–20
–40
–30
Figure 13. Driver Output High
Voltage vs. Output Current
Figure 16. Driver Output Waveform
and FFT Plot Transmitting @ 150 kHz
10
0%
100
90
T
T
T
RO
DI
10
0%
100
90
10dB/DIV
500kHz/DIV
0
5MHz
OUTPUT VOLTAGE – Volts
0
–5
–20
3.4
3.6
5.0
3.8
4.0
4.2
4.4
4.6
4.8
–10
–15
Figure 11. Receiver Output High
Voltage vs. Output Current
OUTPUT VOLTAGE – Volts
80
0
0
0.5
4.5
1.0
1.5 2.0
3.0
3.5
4.0
2.5
70
40
30
20
10
60
50
Figure 14. Driver Differential Output
Voltage vs. Output Current
LIMIT
30
200
FREQUENCY – MHz
80
70
60
50
40
30
20
10
0
Figure 17. Radiated Emissions
OUTPUT VOLTAGE – Volts
0
0.5
3.0
1.0
1.5
2.0
2.5
90
80
0
40
30
20
10
70
50
60
Figure 12. Driver Output Low
Voltage vs. Output Current
Figure 15. Driving 4000 ft. of Cable
LOG FREQUENCY (0.15–30) – MHz
0.3
0.6
13
6
10
30
80
0
70
40
30
20
10
60
50
LIMIT
Figure 18. Conducted Emissions


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