ISL81387IAZ Intersil, ISL81387IAZ Datasheet - Page 23

• Manufacturer Part Number: ISL81387IAZ
• Description: TXRX ESD RS-485/422 2PORT 20SSOP
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL81387IAZ

• Number Of Drivers/receivers: 2/2
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 39. RS-232, TRANSMITTER MAXIMUM DATA RATE vs
FIGURE 41. RS-232, TRANSMITTER SKEW vs DATA RATE
FIGURE 43. RS-485, TRANSMITTER JITTER vs DATA RATE
100
0.1
450
400
350
300
250
200
150
10
1100
1000
1
900
800
700
600
500
400
300
200
100
50
32 100
ALL T
2 TRANSMITTERS SWITCHING
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)
ALL T
2 TRANSMITTERS AT +85°C
DATA RATE (kbps)
DATA RATE (kbps)
400
2000
350
OUTS
23
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
ISL81387, ISL41387
≥
= 5V, T
+25°C
900 1000
±4V
5000
750
A
= +25°C; Unless Otherwise Specified. (Continued)
FIGURE 40. RS-232, TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 42. RS-485, TRANSMITTER JITTER vs DATA RATE
FIGURE 44. 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
2 TRANSMITTERS SWITCHING
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
+85°C
700
700
600
L
MED
+85°C
800
800
= 1000pF
November 21, 2007
FAST
700
+25°C
+25°C
FAST
900 1000
900 1000
FN6201.3
800