ISL4244EIRZ Intersil, ISL4244EIRZ Datasheet - Page 15

• Manufacturer Part Number: ISL4244EIRZ
• Description: IC TXRX RS232 2.7-5.5V 32QFN
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4244EIRZ

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 17. ISL4238E TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 19. ISL4245E TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 21. ISL4244E SUPPLY CURRENT vs LOAD
45
40
35
30
25
20
15
10
-2
-4
-6
-2
-4
-6
6
4
2
0
6
4
2
0
0
0
0
1 TRANSMITTER AT 250kbps
OTHER TRANSMITTERS AT 30kbps
1 TRANSMITTER AT 1Mbps
OTHER TRANSMITTERS AT 30kbps
1 TRANSMITTER AT INDICATED RATE
LOAD CAPACITANCE
LOAD CAPACITANCE
CAPACITANCE WHEN TRANSMITTING DATA
1000
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
2000
15
3000
3000
3000
250kbps
V
ISL4238E, ISL4244E, ISL4245E
CC
120kbps
V
V
V
V
20kbps
OUT
OUT
4000
OUT
OUT
4000
4000
= 3.3V, T
+
+
-
-
A
5000
5000
5000
= +25°C
FIGURE 18. ISL4244E TRANSMITTER OUTPUT VOLTAGE vs
FIGURE 20. ISL4238E SUPPLY CURRENT vs LOAD
FIGURE 22. ISL4245E SUPPLY CURRENT vs LOAD
55
50
45
40
35
30
25
20
-2
-4
-6
90
80
70
60
50
40
30
20
10
6
4
2
0
0
0
0
1 TRANSMITTER AT 250kbps
OTHER TRANSMITTERS AT 30kbps
1 TRANSMITTER AT INDICATED RATE
1 TRANSMITTER AT INDICATED RATE
LOAD CAPACITANCE
CAPACITANCE WHEN TRANSMITTING DATA
CAPACITANCE WHEN TRANSMITTING DATA
1000
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
2000
3000
3000
3000
250kbps
250kbps
20kbps
120kbps
120kbps
1Mbps
V
V
4000
4000
OUT
OUT
4000
+
-
May 13, 2010
FN8038.5
5000
5000
5000