MAX3535EEWI+T by Analog Devices

+3V to +5V, 2500VRMS Isolated RS-485/RS-422 Transceivers with ±15kV ESD Protection

Status: Active
Series: MAX3535E
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MAX3535E/MXL1535E isolated RS-485/RS-422 full-duplex transceivers provide 2500VRMS of galvanic isolation between the RS-485/RS-422 side and the processor or control logic side. These devices allow fast, 1000kbps communication across an isolation barrier when the common-mode voltages (i.e., the ground potentials) on either side of the barrier are subject to large differences. Isolation is achieved through integrated high-voltage capacitors. The MAX3535E/MXL1535E also feature a 420kHz transformer driver that allows power transfer to the RS-485 side using an external transformer. The MAX3535E/MXL1535E include one differential driver, one receiver, and internal circuitry to send the RS-485 signals and control signals across the isolation barrier (including the isolation capacitors). The MAX3535E/MXL1535E RS-485 receivers are 1/8 unit load, allowing up to 256 devices on the same bus. The MAX3535E/MXL1535E feature true fail-safe circuitry. The driver outputs and the receiver inputs are protected from ±15kV electrostatic discharge (ESD) on the interface side, as specified in the Human Body Model (HBM). The MAX3535E/MXL1535E feature driver slew-rate select that minimizes electromagnetic interference (EMI) and reduces reflections. The driver outputs are short-circuit and overvoltage protected. Other features are hot-swap capability and isolation-barrier fault detection. The MAX3535E operates with a single +3V to +5.5V power supply. The improved secondary supply range of the MAX3535E allows the use of step-down transformers for +5V operation, resulting in considerable power savings. The MXL1535E operates with a single +4.5V to +5.5V power supply. The MXL1535E is a function-/pin-compatible improvement of the LTC1535. The MAX3535E/MXL1535E are available over the commercial 0°C to +70°C and extended -40°C to +85°C temperature ranges.

Where to Buy

Prices starting from US$12.22

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Features

2500VRMS RS-485 Bus Isolation Using On-Chip High-Voltage Capacitors
1000kbps Full-Duplex RS-485/RS-422 Communication
+3V to +5.5V Power-Supply Voltage Range (MAX3535E)
+4.5V to +5.5V Power-Supply Voltage Range (MXL1535E)
1/8 Unit Receiver Load, Allowing 256 Devices on Bus
±15kV ESD Protection Using HBM
Pin-Selectable Slew-Rate Limiting Controls EMI
Hot-Swap-Protected Driver-Enable Input
Undervoltage Lockout
Isolation-Barrier Fault Detection
Short-Circuit Protected
Thermal Shutdown
Open-Line and Shorted-Line Fail-Safe Receiver Inputs

Specifications

# Tx/Rx 1Tx + 1Rx
Duplex Full
VSUPPLY (V) 5
Data Rate (kbps) (min) 1000
Galvanic Isolation (±V) 2500
ICC (mA) (typ) 16
ESD Protect. (±kV) 15
Tx EN Yes
Rx EN Yes
Oper. Temp. (°C) -40 to +850 to +70
Package/Pins SOIC (W) HYBRID/28
BudgetaryPrice (See Notes) 6.71

MAX3535EEWI+T Semiconductors - ICs by Analog Devices

RS422/RS485 TXRX 1MBPS 5.5V WSOIC-28

Semiconductors - ICs
> Drivers & Interfaces
> RS232, RS485, RS422 Isolated Transceivers
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MAX3535E/MXL1535E isolated RS-485/RS-422 full- duplex transceivers provide 2500VRMS of galvanic isola- tion between the RS-485/RS-422 side and the processor or control logic side. These devices allow fast, 1000kbps communication across an isolation barrier when the common-mode voltages (i.e., the ground potentials) on either side of the barrier are subject to large differences. Isolation is achieved through integrat- ed high-voltage capacitors. The MAX3535E/MXL1535E also feature a 420kHz transformer driver that allows power transfer to the RS-485 side using an external transformer. The MAX3535E/MXL1535E include one differential driver, one receiver, and internal circuitry to send the RS-485 signals and control signals across the isolation barrier (including the isolation capacitors). The MAX3535E/ MXL1535E RS-485 receivers are 1/8 unit load, allowing up to 256 devices on the same bus. The MAX3535E/MXL1535E feature true fail-safe circuitry. The driver outputs and the receiver inputs are protected from ±15kV electrostatic discharge (ESD) on the inter- face side, as specified in the Human Body Model (HBM). The MAX3535E/MXL1535E feature driver slew-rate select that minimizes electromagnetic interference (EMI) and reduces reflections. The driver outputs are short-cir- cuit and overvoltage protected. Other features are hot- swap capability and isolation-barrier fault detection. The MAX3535E operates with a single +3V to +5.5V power supply. The improved secondary supply range of the MAX3535E allows the use of step-down transformers for +5V operation, resulting in considerable power sav- ings. The MXL1535E operates with a single +4.5V to +5.5V power supply. The MXL1535E is a function-/pin- compatible improvement of the LTC1535. The MAX3535E/MXL1535E are available over the commer- cial 0°C to +70°C and extended -40°C to +85°C temper- ature ranges.

Specifications

Device Type Transceiver
IC Interface Type RS422 RS485
No. of Drivers 1Drivers
No. of Receivers 1Receivers
Supply Voltage Min 3V
Supply Voltage Max 5.5V
Driver Case Style WSOIC
No. of Pins 28Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
IC Generic Number MAX3535E
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

RS422/RS485 TXRX, 1MBPS, 5.5V, WSOIC-28 | element14
Rs422/Rs485 Txrx, 1Mbps, 5.5V, Wsoic-28 | Newark Electronics

Frequently Asked Questions

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