ISL4221EIRZ Intersil, ISL4221EIRZ Datasheet - Page 12

• Manufacturer Part Number: ISL4221EIRZ
• Description: IC TXRX 1TX/1RX 3V RS-232 16-QFN
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4221EIRZ

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Package: 16QFN EP
• Data Transmission Topology: Point-to-Point
• Interface Standards: ElA/TIA-232|RS-232|V.24|V.28
• Data Rate: 0.5 Mbps
• Function: Line Transmitter/Receiver
• Number Of Transmitters: 1
• Transmitter Signal Type: Single-Ended
• Transmitter Communication Type: RS-232
• Driving Mode: 3-State
• Typical Single Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 12. TRANSMITTER OUTPUT VOLTAGE vs LOAD
FIGURE 14. SUPPLY CURRENT vs LOAD CAPACITANCE
FIGURE 16. SUPPLY CURRENT vs SUPPLY VOLTAGE
3.5
3.0
2.5
2.0
1.5
1.0
0.5
45
40
35
30
25
20
15
10
-2
-4
-6
5
0
0
6
4
2
0
2.5
0
0
ISL4221E
1 TRANSMITTER AT 250kbps
OTHER TRANSMITTERS AT 30kbps
CAPACITANCE
WHEN TRANSMITTING DATA
3.0
1000
1000
3.5
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
SUPPLY VOLTAGE (V)
2000
2000
4.0
12
3000
4.5
3000
NO LOAD
ALL OUTPUTS STATIC
250kbps
120kbps
20kbps
V
5.0
ISL3232E, ISL4221E, ISL4223E
CC
4000
4000
= 3.3V, T
V
V
OUT
5.5
OUT
+
-
A
5000
5000
= +25°C
6.0
Die Characteristics
SUBSTRATE AND QFN THERMAL PAD POTENTIAL
(POWERED UP):
TRANSISTOR COUNT:
PROCESS:
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
GND
ISL3232E: 296
ISL4221E: 286
ISL4223E: 357
Si Gate CMOS
25
20
15
10
45
40
35
30
25
20
15
10
5
FIGURE 13. SLEW RATE vs LOAD CAPACITANCE
5
0
0
0
ISL4223E/ISL3232E
WHEN TRANSMITTING DATA
1000
1000
+SLEW
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
-SLEW
3000
3000
120kbps
250kbps
20kbps
4000
4000
May 13, 2010
FN6045.6
5000
5000