Description:The ISL81334 and ISL41334 are two-port interface ICs in which each port can be independently configured as a single RS-485, RS-422 transceiver, or as a dual (2 Tx, 2 Rx) RS-232 transceiver. With both ports set to the same mode, two RS-485, RS-422 transceivers, or four RS-232 transceivers are available. If either port is in RS-232 mode, the onboard charge pump generates RS-232 compliant ±5V Tx output levels from a single VCC supply as low as 4.5V. Four small 0.1µF capacitors are required for the charge pump.
ALSO OPERATE WITH 1 TRANSMITTER AND 1 RECEIVER IN RS-485 MODE
Differential Output:
NO
Driver Number of Bits:
2
High Level Input Current-Max:
0.000002 A
Input Characteristics:
SCHMITT TRIGGER
Interface IC Type:
LINE TRANSCEIVER
Interface Standard:
EIA-232; EIA-422; EIA-485
JESD-30 Code:
S-XQCC-N40
JESD-609 Code:
e3
Length:
6 mm
Moisture Sensitivity Level:
3
Number of Functions:
2
Number of Terminals:
40
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Out Swing-Min:
2 V
Output Low Current-Max:
0.003 A
Output Polarity:
INVERTED
Package Body Material:
UNSPECIFIED
Package Code:
HVQCCN
Package Equivalence Code:
LCC40,.24SQ,20
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Receive Delay-Max:
120 ns
Receiver Number of Bits:
2
Seated Height-Max:
1 mm
Supply Current-Max:
7 mA
Supply Voltage-Max:
5.5 V
Supply Voltage-Min:
4.5 V
Supply Voltage-Nom:
5 V
Supply Voltage1-Max:
5.5 V
Supply Voltage1-Min:
4.5 V
Supply Voltage1-Nom:
5 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Transmit Delay-Max:
2000 ns
Width:
6 mm
ISL41334IRZ-T Frequently Asked Questions (FAQs)
A good PCB layout for the ISL41334IRZ-T involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces connecting the IC to the capacitors and resistors. A 4-layer PCB with a dedicated ground plane is recommended.
To ensure stability, it's essential to follow the recommended capacitor values and types, and to place the capacitors close to the IC. Additionally, the output voltage can be stabilized by adding a capacitor in parallel with the output resistor, and by using a low-ESR capacitor for the output filter.
The ISL41334IRZ-T can handle input voltages up to 28V, but it's recommended to keep the input voltage below 24V for optimal performance and to prevent overheating.
The output voltage of the ISL41334IRZ-T can be calculated using the formula: Vout = (R1/R2) * (1 + R3/R4) * Vin, where R1, R2, R3, and R4 are the resistors in the feedback network, and Vin is the input voltage.
The ISL41334IRZ-T can provide up to 3A of output current, but the maximum output current depends on the input voltage, output voltage, and the thermal conditions of the IC.
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Manufacturer Collaborated
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System Verified
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Sponsored
ISL41334IRZ-T Overview
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