MAX3323EEUE+ by Analog Devices

±15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications


The MAX3322E/MAX3323E 3.0V to 5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces are designed for multidrop applications with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. All RS-232 inputs and outputs are protected to ±15kV using the IEC 1000-4-2 Air-Gap Discharge method, ±8kV using the IEC 1000-4-2 Contact Discharge method, and ±15kV using the Human Body Model. The MAX3322E/MAX3323E have pin-selectable 5kΩ /high-impedance RS-232 receivers. These devices are capable of receiving data in high-impedance mode. In multidrop applications, one receiver has a 5kΩ input resistance, while the other receivers are high impedance to ensure the RS-232 standard is observed. Logic control permits selection of the functional mode: high impedance or RS-232 standard load. The transmitters are enabled by logic control to allow the multiplexing of the inputs to a single UART. A proprietary low-dropout transmitter output stage enables true RS-232 performance from a 3.0V to 5.5V supply with a dual charge pump. The charge pump requires only four small 0.1µF capacitors for operation from a 3.3V supply. The MAX3322E/MAX3323E are capable of running at data rates up to 250kbps while maintaining RS-232-compliant output levels. The MAX3322E/MAX3323E have a unique VL pin that allows operation in mixed-logic voltage systems. Both input and output logic levels are pin programmable through the VL pin. The MAX3322E is a 2Tx/2Rx device for hardware handshaking in standard RS-232 mode, and the MAX3323E is a 1Tx/1Rx, required in most multidrop applications. The MAX3322E is offered in a space-saving TSSOP package. The MAX3323E is offered in 16-pin DIP and space-saving TSSOP packages.

Where to Buy

Prices starting from US$5.83

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Schukat Electronic
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Features

Pin-Selectable 5kΩ/High-Impedance Receivers
Transmitter Outputs Three-Stated by Logic Control
VL Pin for Compatibility with Mixed Voltage Systems
1Tx/1Rx (MAX3323E) or 2Tx/2Rx (MAX3322E) Versions
250kbps Data Rate
1µA Low-Power Shutdown
High ESD Protection for RS-232 I/O Pins ±15kV—Human Body Model ±8kV—IEC 1000-4-2 Contact Discharge ±15kV—IEC 1000-4-2 Air-Gap Discharge
±15kV—Human Body Model
±8kV—IEC 1000-4-2 Contact Discharge
±15kV—IEC 1000-4-2 Air-Gap Discharge

Specifications

# Rx 1
# Tx 1
VSUPPLY (V) 35
Data Rate (kbps) (min) 250
ICC (mA) (typ) 1
Internal Charge Pump Yes
External Caps 5
Cap. Value (µF) (nom) 0.1
ESD Protect. (±kV) 15
Package/Pins PDIP/16TSSOP/16
BudgetaryPrice (See Notes) 5


MAX3323EEUE+ Semiconductors - ICs by Analog Devices

TRANSCEIVER RS-232 15KV ESD 3323

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Adjustable
Input Voltage Min -
Input Voltage Max -
DC / DC Converter IC Case -
No. of Pins 16Pins
Output Current -
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Topology -
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 3323
Data Rate 250Kbps
Device Type Transceiver
Driver Case Style TSSOP
IC Interface Type RS232
IC Temperature Range Industrial
No. of Drivers 1Drivers
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +85°C
Supply Current 1mA
Supply Voltage Max 5.5V
Supply Voltage Min 3V
Supply Voltage Range 3V to 5.5V
Termination Type Surface Mount Device

Alternative Descriptions

±15kV ESD-Protected, RS-232 Tr | Analog Devices
Transceiver, Rs-232, 15Kv | Newark Electronics
TRANSCEIVER, RS-232, 15KV ESD, 3323 | element14
RS232E Transc. -40/+85°C TSSOP16 | Schukat Electronic

Frequently Asked Questions

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Is the MAX3323EEUE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Chip One Stop, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX3323EEUE+ .

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