Description:The ISL32430E, ISL32432E, ISL32433E, ISL32435E, and ISL32437E are 3. 3V to 5V powered, fault protected, extended common-mode range differential transceivers for balanced communication. The RS-485 bus pins, driver outputs and receiver inputs, are protected against overvoltages up to ±40V and against ±15kV ESD strikes. Additionally, these transceivers operate in environments with common-mode voltages up to ±15V (exceeds the RS-485 requirement), making this RS-485 family one of the most robust on the market. T
ALSO OPERATES WITH SUPPLY VOLTAGE RANGE 4.5 AND 5.5V
Differential Output:
YES
Driver Number of Bits:
1
High Level Input Current-Max:
0.000015 A
Input Characteristics:
DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type:
LINE TRANSCEIVER
Interface Standard:
EIA-485; EIA-422
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e3
Length:
4.9 mm
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Out Swing-Min:
1.1 V
Output Characteristics:
3-STATE
Output Low Current-Max:
0.005 A
Output Polarity:
COMPLEMENTARY
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Receive Delay-Max:
200 ns
Receiver Number of Bits:
1
Seated Height-Max:
1.75 mm
Supply Current-Max:
4.5 mA
Supply Voltage-Max:
3.6 V
Supply Voltage-Min:
3 V
Supply Voltage-Nom:
3.3 V
Supply Voltage1-Max:
3.6 V
Supply Voltage1-Min:
3 V
Supply Voltage1-Nom:
3.3 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Transmit Delay-Max:
200 ns
Width:
3.9 mm
ISL32435EIBZ Frequently Asked Questions (FAQs)
A good PCB layout for the ISL32435EIBZ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to place the bypass capacitors as close as possible to the device's power pins.
To ensure proper power-up and initialization of the ISL32435EIBZ, make sure to follow the recommended power-up sequence, which involves applying the analog power supply (VCC) before the digital power supply (VDD). Also, ensure that the device is properly reset by pulling the RESET pin low during power-up.
When selecting external capacitors for the ISL32435EIBZ, consider the capacitor's equivalent series resistance (ESR), voltage rating, and capacitance value. A low ESR and a high capacitance value (e.g., 10uF) are recommended for the bypass capacitors. Also, ensure the capacitors are rated for the maximum voltage of the device.
To troubleshoot common issues with the ISL32435EIBZ, start by verifying the power supply and ground connections. Check for proper decoupling, and ensure that the device is properly reset. Also, review the PCB layout to ensure that it meets the recommended layout guidelines. If issues persist, consult the device's application notes and technical support resources.
To ensure reliable operation of the ISL32435EIBZ over temperature, consider the device's thermal characteristics, such as the junction-to-ambient thermal resistance (RθJA). Ensure good airflow around the device, and consider using a heat sink if the device will be operating in a high-temperature environment. Also, follow the recommended operating conditions and derating guidelines.
Trust Checks
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Manufacturer Collaborated
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System Verified
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ISL32435EIBZ Overview
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