Description:The ISL3333 is a two-port interface IC where each port can be independently configured as a single RS-485/422 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 3.15V. The transceivers are RS-232 compliant, with the Rx inputs handling up to ±25V. In
ALSO OPERATE WITH 2 TRANSMITTERS AND 2 RECEIVERS IN RS-232 MODE
Differential Output:
YES
Driver Number of Bits:
1
Input Characteristics:
DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type:
LINE TRANSCEIVER
Interface Standard:
EIA-232; EIA-422; EIA-485
JESD-30 Code:
S-PQCC-N40
JESD-609 Code:
e3
Length:
6 mm
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Terminals:
40
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Out Swing-Min:
1.5 V
Output Characteristics:
DIFFERENTIAL
Output Low Current-Max:
0.005 A
Output Polarity:
COMPLEMENTARY
Package Body Material:
PLASTIC/EPOXY
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:
70 ns
Receiver Number of Bits:
1
Seated Height-Max:
1 mm
Supply Current-Max:
7 mA
Supply Voltage-Max:
3.45 V
Supply Voltage-Min:
3.15 V
Supply Voltage-Nom:
3.3 V
Supply Voltage1-Max:
3.45 V
Supply Voltage1-Min:
3.15 V
Supply Voltage1-Nom:
3.3 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:
2500 ns
Width:
6 mm
ISL3333IRZ-T7A Frequently Asked Questions (FAQs)
A good PCB layout for the ISL3333IRZ-T7A involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure proper power-up and initialization of the ISL3333IRZ-T7A, make sure to follow the recommended power-up sequence, which involves applying VCC before applying VIN. Also, ensure that the EN pin is high during power-up and that the device is properly configured through the SPI interface.
The ISL3333IRZ-T7A has a maximum junction temperature of 150°C. To ensure reliable operation over temperature, ensure good thermal conduction between the device and the PCB, use a heat sink if necessary, and avoid overheating the device during operation.
To troubleshoot issues with the ISL3333IRZ-T7A, start by verifying the power supply and clock signals, then check the SPI communication and configuration. Use a logic analyzer or oscilloscope to debug the SPI signals and ensure that the device is properly configured and communicating correctly.
The ISL3333IRZ-T7A has built-in ESD protection, but it's still important to follow proper ESD handling procedures when handling the device. Use an ESD wrist strap or mat, and ensure that the PCB and components are properly grounded to prevent damage from electrostatic discharge.
Trust Checks
This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
ISL3333IRZ-T7A Overview
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