isl3330 Intersil Corporation, isl3330 Datasheet - Page 23

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

Typical Performance Curves
FIGURE 39. RS-232, TRANSMITTER MAXIMUM DATA RATE vs
FIGURE 41. RS-232, TRANSMITTER SKEW vs DATA RATE
-5
5
0
5
0
5
0
650
600
550
500
450
400
350
300
250
FIGURE 37. RS-232, TRANSMITTER AND RECEIVER
550
500
450
400
350
300
250
200
150
100
DY
0
C
ALL T
0
2 TRANSMITTERS SWITCHING
L
V
Y/A
RA
50
= 1000pF, 1 CHANNEL SWITCHING
OUT
OUTS
LOAD CAPACITANCE
≥ ±4V AND DUTY CYCLE BETWEEN 40% AND 60%
1 TRANSMITTER AT +85°C
1000
WAVEFORMS AT 400kbps
LOADED WITH 3kΩ TO GND, C
200
LOAD CAPACITANCE (pF)
ALL T
DATA RATE (kbps)
2000
2 TRANSMITTERS AT +85°C
OUTS
23
2µs/DIV
1 TRANSMITTER AT +25°C
LOADED WITH 5kΩ TO GND
2 TRANSMITTERS AT +25°C
3000
400
V
CC
L
4000
= 1000pF
= V
+85°C
L
+25°C
= 3.3V, T
-40°C
600 650
ISL3330, ISL3331
5000
A
= +25°C; Unless Otherwise Specified (Continued)
Die Characteristics
SUBSTRATE AND QFN PAD POTENTIAL
(POWERED UP):
TRANSISTOR COUNT:
PROCESS:
FIGURE 38. RS-232, RECEIVER OUTPUT + DUTY CYCLE vs
FIGURE 40. RS-232, TRANSMITTER OUTPUT VOLTAGE vs
BiCMOS
GND
2490
-2.5
-5.0
-7.5
7.5
5.0
2.5
58
57
56
55
54
53
52
51
50
49
0
0
0
FULL TEMP RANGE
V
V
V
ALL T
IN
OUT
1 TRANSMITTER SWITCHING
OUT
= ±5
+
-
100
DATA RATE
DATA RATE
OUTS
500
LOADED WITH 5kΩ TO GND, C
SR IN = 100V/µs
200
SR IN = 15V/µs
DATA RATE (kbps)
DATA RATE (kbps)
300
1000
400
1500
L
500
= 1000pF
+85°C
+25°C
+25°C
+85°C
May 20, 2008
600
FN6361.0
2000