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MAX3244E

Features: ` 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` Latchup Free` 1A Supply Current` AutoShutdown Plus-EDN Innovation of the Year` Guaranteed Data Rate: 50kbps (MAX3224E/3226E/3244E) 1Mbps (MAX3225E/3227E/3...

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SeekIC No. : 004409926 Detail

MAX3244E: Features: ` 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` Latchup Free` 1A Supply Current` AutoShutdown Plus-EDN...

MAX3244E Data Sheet

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Part Number:
MAX3244E
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 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
` Latchup Free
` 1A Supply Current
` AutoShutdown Plus-EDN Innovation of the Year
` Guaranteed Data Rate: 50kbps (MAX3224E/3226E/3244E) 1Mbps (MAX3225E/3227E/3245E)
` Guaranteed Slew Rate: 6V/s (MAX3224E/3226E/3244E) 24V/s (MAX3225E/3227E/3245E)
` Meets EIA/TIA-232 Specifications Down to 3.0V
` Guaranteed Mouse Driveability (MAX3244E/3245E)
` Ready-to-Transmit Logic-Level Output




Application

·Notebook, Subnotebook, and Palmtop Computers
·Cellular Phones
·Battery-Powered Equipment
·Hand-Held Equipment
·Peripherals
·Printers


Specifications

VCC to GND............................................................-0.3V to +6V
V+ to GND (Note 1) ...............................................-0.3V to +7V
V- to GND (Note 1) ................................................+0.3V to -7V
V+ +V-(Note 1) ...........................................................+13V
Input Voltages
T_IN, FORCEON, FORCEOFF to GND...................... -0.3V to +6V
R_IN to GND ....................................................................±25V
Output Voltages
T_OUT to GND..............................................................±13.2V
R_OUT, INVALID, READY to GND .............-0.3V to (VCC + 0.3V)
Short-Circuit Duration
T_OUT to GND .......................................................Continuous
Continuous Power Dissipation (TA = +70)
16-Pin SSOP (derate 7.14mW/ above +70) .........571mW
20-Pin Plastic DIP (derate 11.11mW/ above +7....v889mW
20-Pin SSOP (derate 8.00mW/°C above +70) ......640mW
20-Pin TSSOP (derate 10.9mW/above +70) .......879mW
28-Pin Wide SO (derate 12.5mW/ above +70)...........1W
28-Pin SSOP (derate 9.52mW/ above +70) ........762mW
28-Pin TSSOP (derate 12.8mW/ above +70) .....1026mW
Operating Temperature Ranges
MAX32_ _EC_ _ .................................................0 to +70
MAX32_ _EE_ _................................................40 to +85
Storage Temperature Range .......................-65 to +160
Lead Temperature (soldering, 10s) ..........................+300
Note 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.


Description

The MAX3244E are 3V-powered EIA/TIA-232 nd V.28/V.24 communications interfaces with automatic hutdown/wakeup features, high data-rate capabilities, nd enhanced electrostatic discharge (ESD) rotection. All transmitter outputs and receiver inputs re protected to ±15kV using IEC 1000-4-2 Air-Gap ischarge, ±8kV using IEC 1000-4-2 Contact Discharge, nd ±15kV using the Human Body Model.

All devices of the MAX3244E achieve a 1A supply current using Maxim's evolutionary AutoShutdown Plus™ feature. These evices automatically enter a low-power shutdown ode when the RS-232 cable is disconnected or the ransmitters of the connected peripherals are inactive, nd the UART driving the transmitter inputs is inactive or more than 30 seconds. They turn on again when hey sense a valid transition at any transmitter or receiver nput. AutoShutdown Plus saves power without hanges to the existing BIOS or operating system.

The MAX3225E/MAX3227E/MAX3245E also feature egaBaud™ operation, guaranteeing 1Mbps for highspeed pplications such as communicating with ISDN odems. The MAX3224E/MAX3226E/MAX3244E guarantee 50kbps operation. The transceivers have a proprietary ow-dropout transmitter output stage enabling rue RS-232 performance from a +3.0V to +5.5V supply ith a dual charge pump. The charge pump requires nly four small 0.1F capacitors for operation from a .3V supply. The MAX3224EMAX3227E feature a logiclevel utput (READY) that asserts when the charge ump is regulating and the device is ready to begin ransmitting.

All devices are available in a space-saving SSOP and SSOP (MAX3224E/MAX3225E/MAX3244E/MAX3245E) ackages.




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