ISL3330_14 Datasheet, PDF (23/25 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Dual Protocol (RS-232/RS-485) Transceivers

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