isl3330 Intersil Corporation, isl3330 Datasheet - Page 22

• Manufacturer Part Number: isl3330
• Description: 3.3v, ?15kv Esd Protected, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 31. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 33. RS-232, TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 35. RS-232, TRANSMITTER SHORT CIRCUIT
-2.5
-5.0
-7.5
7.5
5.0
2.5
4
3
2
1
0
5
0
0
-10
-20
-30
50
40
30
20
10
0
0
-40
1 TRANSMITTER AT 250kbps or 400kbps,
OTHER TRANSMITTER AT 30kbps
D
V
Y
Z
ALL T
V
OUT
Y
V
OUT
OUT
+
LOW TO HIGH (FAST DATA RATE)
LOAD CAPACITANCE
-25
CURRENT vs TEMPERATURE
OUTS
-
1000
SHORTED TO GND
LOADED WITH 3kΩ TO GND
LOAD CAPACITANCE (pF)
TEMPERATURE (°C)
0
2000
TIME (10ns/DIV)
22
R
Y OR Z = HIGH
Y OR Z = LOW
25
DIFF
3000
R
A
= 54Ω, C
V
50
CC
4000
L
= 100pF
= V
400kbps
250kbps
250kbps
400kbps
L
= 3.3V, T
ISL3330, ISL3331
75
5000
5
0
85
A
= +25°C; Unless Otherwise Specified (Continued)
FIGURE 32. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 34. RS-232, TRANSMITTER OUTPUT VOLTAGE vs
-5
5
0
5
0
5
0
-2.5
-5.0
-7.5
4
3
2
1
0
FIGURE 36. RS-232, TRANSMITTER AND RECEIVER
5
0
7.5
5.0
2.5
0
C
-40
DY
RA
L
Y
Z
Y/A
= 4000pF, 1 CHANNEL SWITCHING
OUTPUTS STATIC
ALL T
AND AT V+ OR V-
D
HIGH TO LOW (FAST DATA RATE)
-25
TEMPERATURE
Y
OUTS
WAVEFORMS AT 250kbps
LOADED WITH 3kΩ TO GND
0
TEMPERATURE (°C)
TIME (10ns/DIV)
2µs/DIV
R
25
DIFF
= 54Ω, C
R
A
50
L
= 100pF
V
V
OUT
OUT
May 20, 2008
+
-
75
FN6361.0
5
0
85