Overview
The ISL3179EIBZ-T7A is a high-performance, single transceiver designed to meet the standards of both RS-485 and RS-422 communication protocols. Manufactured by Renesas Electronics America Inc., this component is part of the ISL3179E series and is particularly noted for its high ESD protection, robust operating conditions, and versatile application capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Duplex Mode | Half | |
| Supply Voltage | 3.0 to 3.6 | V |
| Operating Temperature | -40°C to 125°C | °C |
| Data Rate | Up to 40 Mbps | Mbps |
| ESD Protection (RS-485 I/O pins) | ±16.5 kV IEC61000 | kV |
| ESD Protection (other pins) | >9 kV HBM | kV |
| Common-Mode Input Voltage Range | -7V to +12V | V |
| No-Load Supply Current | 2.6 to 4 mA | mA |
| Shutdown Supply Current | 0.05 to 1 µA | µA |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount |
Key Features
- High ESD protection on RS-485 I/O pins (±16.5 kV IEC61000) and other pins (>9 kV HBM)
- Operates from a single +3.3V supply with 10% tolerance
- High data rates up to 40 Mbps
- 5V tolerant logic inputs
- 1/5 unit load allows up to 160 devices on the bus
- Full fail-safe (open, shorted, terminated/undriven) receiver
- Hot plug circuitry ensures Tx and Rx outputs remain in high impedance state during power-up
- Low quiescent current (4 mA max) and low current shutdown mode (1 µA max)
- Current limiting and thermal shutdown for driver overload protection
- Pb-free (RoHS compliant)
Applications
- Motor controller/position encoder systems
- Factory automation
- Field bus networks
- Security networks
- Building environmental control systems
- Industrial/process control networks
Q & A
- What is the primary function of the ISL3179EIBZ-T7A?
The ISL3179EIBZ-T7A is a single transceiver designed for RS-485 and RS-422 communication protocols.
- What is the operating voltage range of the ISL3179EIBZ-T7A?
The component operates from a single +3.3V supply with a 10% tolerance, meaning the voltage range is 3.0 to 3.6V.
- What is the maximum data rate supported by the ISL3179EIBZ-T7A?
The ISL3179EIBZ-T7A supports data rates up to 40 Mbps.
- What level of ESD protection does the ISL3179EIBZ-T7A offer?
The component offers high ESD protection with ±16.5 kV IEC61000 on RS-485 I/O pins and >9 kV HBM on other pins.
- What is the operating temperature range of the ISL3179EIBZ-T7A?
The operating temperature range is -40°C to 125°C.
- What type of package does the ISL3179EIBZ-T7A come in?
The component is packaged in an 8-SOIC (0.154", 3.90mm Width) and is surface mountable.
- Is the ISL3179EIBZ-T7A RoHS compliant?
- What is the maximum number of devices that can be connected on the bus?
The 1/5 unit load allows up to 160 devices on the bus.
- Does the ISL3179EIBZ-T7A have fail-safe receiver functionality?
- What is the quiescent current and shutdown current of the ISL3179EIBZ-T7A?
The no-load supply current is 2.6 to 4 mA, and the shutdown supply current is 0.05 to 1 µA.
