MAX232CSE Electronic IC Chips Multichannel RS -232 Drivers / Receivers

MAX232CSE Electronic IC Chips Multichannel RS -232 Drivers / Receivers

General Description

The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where ±12V is not available.

These parts are especially useful in battery-powered systems, since their low-power shutdown mode reduces power dissipation to less than 5µW. The MAX225, MAX233, MAX235, and MAX245/MAX246/MAX247 use no external components and are recommended for applications where printed circuit board space is critical.

Applications

Portable Computers

Low-Power Modems

Interface Translation

Battery-Powered RS-232 Systems

Multidrop RS-232 Networks

Features

Superior to Bipolar

♦ Operate from Single +5V Power Supply (+5V and +12V—MAX231/MAX239)

♦ Low-Power Receive Mode in Shutdown (MAX223/MAX242)

♦ Meet All EIA/TIA-232E and V.28 Specifications

♦ Multiple Drivers and Receivers

♦ 3-State Driver and Receiver Outputs

♦ Open-Line Detection (MAX243)

ABSOLUTE MAXIMUM RATINGS—MAX220/222/232A/233A/242/243

Supply Voltage (V_CC) ...............................................-0.3V to +6V

Input Voltages

  T_IN..............................................................-0.3V to (VCC - 0.3V)

  R_IN (Except MAX220) ........................................................±30V

  R_IN (MAX220).....................................................................±25V

  T_OUT (Except MAX220) (Note 1) .......................................±15V

  T_OUT (MAX220)...............................................................±13.2V

Output Voltages

  T_OUT...................................................................................±15V

  R_OUT.........................................................-0.3V to (VCC + 0.3V)

Driver/Receiver Output Short Circuited to GND.........Continuous

Continuous Power Dissipation (TA = +70°C)

  16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)....842mW

  18-Pin Plastic DIP (derate 11.11mW/°C above +70°C)....889mW

  20-Pin Plastic DIP (derate 8.00mW/°C above +70°C) .... 440mW

  16-Pin Narrow SO (derate 8.70mW/°C above +70°C) .... 696mW

  16-Pin Wide SO (derate 9.52mW/°C above +70°C).........762mW

  18-Pin Wide SO (derate 9.52mW/°C above +70°C).........762mW

  20-Pin Wide SO (derate 10.00mW/°C above +70°C).......800mW

  20-Pin SSOP (derate 8.00mW/°C above +70°C) .............640mW

  16-Pin CERDIP (derate 10.00mW/°C above +70°C).........800mW

  18-Pin CERDIP (derate 10.53mW/°C above +70°C).........842mW

Operating Temperature Ranges

  MAX2_ _AC_ _, MAX2_ _C_ _...............................0°C to +70°C

  MAX2_ _AE_ _, MAX2_ _E_ _ ............................-40°C to +85°C

  MAX2_ _AM_ _, MAX2_ _M_ _..........................-55°C to +125°C

Storage Temperature Range .............................-65°C to +160°C

Lead Temperature (soldering, 10sec) ..............................+300°C

Note 1: Input voltage measured with TOUT in high-impedance state, SHDN or VCC = 0V.

Note 2: For the MAX220, V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V.

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