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ISL4238E Datasheet, PDF (16/17 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps/1Mbps, RS-232 Transceivers with Enhanced Automatic Power-down
ISL4238E, ISL4244E, ISL4245E
Typical Performance Curves VCC = 3.3V, TA = +25°C (Continued)
25
110
20
-SLEW
15
+SLEW
10
5
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 23. ISL4238E/ISL4244E SLEW RATE vs LOAD
CAPACITANCE
3.5
NO LOAD
ALL OUTPUTS STATIC
3.0
2.5
2.0
1.5
1.0
0.5
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
FIGURE 25. SUPPLY CURRENT vs SUPPLY VOLTAGE
90
+SLEW
70
50
-SLEW
30
10
0
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 24. ISL4245E SLEW RATE vs LOAD CAPACITANCE
Die Characteristics
SUBSTRATE AND QFN THERMAL PAD POTENTIAL
(POWERED UP):
GND
TRANSISTOR COUNT
ISL4238E: 1235
ISL4244E: 1109
ISL4245E: 1109
PROCESS
Si Gate BiCMOS
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Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
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16
FN8038.5
May 13, 2010