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MAX3231E
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MFG:MAXIM Package Cooled:SOP- D/C:02+

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Part Number: MAX3231E

MFG: MAXIM

Package Cooled: SOP-

D/C: 02+

Description: The MAX3230E/MAX3231E are +2.5V to +5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces with low power req...

MAX3231E General Description

The MAX3230E/MAX3231E are +2.5V to +5.5V powered EIA/TIA-232 and V.28/V.24 communications interfaces with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection, in a chip-scale package (UCSP™).
All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model.

The MAX3230E/MAX3231E achieve a 1µA supply current with Maxim's AutoShutdown™ feature. They save power without changing the existing BIOS or operating systems by entering low-power shutdown mode when the RS-232 cable is disconnected, or when the transmitters of the connected peripherals are off.

The transceivers have a proprietary low-dropout transmitter output stage, delivering RS-232-compliant performance from a +3.1V to +5.5V supply, and RS-232- compatible performance with a supply voltage as low as +2.5V. The dual charge pump requires only four, small 0.1µF capacitors for operation from a +3.0V supply. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.

The MAX3230E/MAX3231E offer a separate power-supply input for the logic interface, allowing configurable logic levels on the receiver outputs and transmitter inputs. Operating over a +1.65V to VCC range, VL provides the MAX3230E/MAX3231E compatibility with multiple logic families.

The MAX3231E contains one receiver and one transmitter. The MAX3230E contains two receivers and two transmitters. The MAX3230E/MAX3231E are available in tiny chip-scale packaging and are specified across the extended industrial (-40°C to +85°C) temperature range.

MAX3231E Maximum Ratings

VCC to GND.............................................................-0.3V to +6.0V
V+ to GND ...............................................................-0.3V to +7.0V
V- to GND ................................................................+0.3V to -7.0V
V+ to |V-| (Note 1) ................................................................+13V
VL to GND................................................................-0.3V to +6.0V
Input Voltages
T_IN_, FORCEON, FORCEOFF to GND..............-0.3V to (VL + 0.3V)
R_IN_ to GND ......................................................................±25V
Output Voltages
T_OUT to GND ..................................................................±13.2V
R_OUT INVALID to GND .................................-0.3V to (VL + 0.3V)
INVALID to GND...........................................-0.3V to (VCC + 0.3V)
Short-Circuit Duration T_OUT to GND..........................Continuous
Continuous Power Dissipation (T_A = +70)
6 ✕ 5 UCSP (derate 10.1mW/ above +70) ...............805mW
Operating Temperature Range ............................-40 to +85
Junction Temperature.......................................................+150
Storage Temperature Range .............................-65 to +150
Bump Temperature (soldering)
Infrared (15s) .................................................................+200
Vapor Phase (20s) ..........................................................+215

MAX3231E Features

`6 x 5 Chip-Scale Packaging (UCSP)
`ESD Protection for RS-232 I/O Pins
          ±15kV-IEC 1000-4-2 Air-Gap Discharge
          ±8kV-IEC 1000-4-2 Contact Discharge
          ±15kV-Human Body Model
`1µA Low-Power AutoShutdown
`250kbps Guaranteed Data Rate
`Meet EIA/TIA-232 Specifications Down to +3.1V
`RS-232 Compatible to +2.5V Allows Operation from Single Li+ Cell
`Small 0.1µF Capacitors
`Configurable Logic Levels

MAX3231E Typical Application

·Personal Digital Assistants
·Cell-Phone Data Lump Cables
·Set-Top Boxes
·Hand-Held Devices
·Cell Phones

MAX3231E Connection Diagram

MAX3231E datasheet

MAX3231E
PDF/DataSheet Download

Datasheet: MAX3231E
File Size: 816697 KB
Manufacturer: MAXIM
Click here to Download

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