isl81334 Intersil Corporation, isl81334 Datasheet - Page 24

• Manufacturer Part Number: isl81334
• Description: ?15kv Esd Protected, 5v, Two Port, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 40. RS-232, TRANSMITTER MAXIMUM DATA RATE vs
FIGURE 42. RS-232, TRANSMITTER SKEW vs DATA RATE
FIGURE 44. RS-485, TRANSMITTER JITTER vs DATA RATE
100
0.1
450
400
350
300
250
200
150
10
1000
1100
1
900
800
700
600
500
400
300
200
100
50
32 100
ALL T
1 TRANSMITTER SWITCHING ON EACH PORT
100
1 TRANSMITTER AT +85°C
150
OUTS
LOAD CAPACITANCE
WITH 1000’ CAT-5 CABLE
200
1000
SLOW
LOADED WITH 3kΩ TO GND, C
250
300
LOAD CAPACITANCE (pF)
2 TRANSMITTERS AT +85°C
ALL T
DATA RATE (kbps)
DATA RATE (kbps)
400
2000
350
OUTS
24
1 TRANSMITTER AT +25°C
500
DOUBLE TERM’ED WITH 121Ω
LOADED WITH 5kΩ TO GND
2 TRANSMITTERS AT +25°C
450
600
3000
700
550
V
CC
L
+85°C
= 1000pF
V
4000
800
= V
OUT
MED
650
FAST
L
ISL81334, ISL41334
≥
= 5V, T
+25°C
900 1000
±4V
5000
750
A
= +25°C; Unless Otherwise Specified. (Continued)
FIGURE 41. RS-232, TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 43. RS-485, TRANSMITTER JITTER vs DATA RATE
FIGURE 45. RS-485, TRANSMITTER JITTER vs DATA RATE
100
100
-2.5
-5.0
-7.5
0.1
0.1
7.5
5.0
2.5
10
10
1
1
0
0
32 100
32 100
V
V
ALL T
1 TRANSMITTER SWITCHING ON EACH PORT
OUT
OUT
100
+
DATA RATE
WITH 2000’ CAT-5 CABLE
WITH 350’ CAT-5 CABLE
-
OUTS
SLOW
200
200
200
LOADED WITH 5kΩ TO GND, C
SLOW
300
300
300
DATA RATE (kbps)
DATA RATE (kbps)
DATA RATE (kbps)
400
400
400
500
500
DOUBLE TERM’ED WITH 121Ω
DOUBLE TERM’ED WITH 121Ω
MED
500
600
600
700
700
+85°C
600
L
MED
+85°C
800
800
= 1000pF
November 21, 2007
FAST
700
+25°C
+25°C
FAST
900 1000
900 1000
FN6202.3
800