MAX13234E datasheet(2/16 Pages) MAXIM

2 / 16 page

3Mbps RS-232 Transceivers with

Low-Voltage Interface

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +3V to +5.5V, VL = +1.62V to VCC, TA = -40°C to +85°C, C1–C4 = 0.1µF, VCC = VL, tested at 3.3V ±10%. Typical values are

at TA = +25°C.) (Note 2)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

(All voltages referenced to GND.)

VCC ...................................................................... -0.3V to +6.0V

VL ......................................................................... -0.3V to +6.0V

V+ ........................................................................ -0.3V to +7.0V

V- ......................................................................... +0.3V to -7.0V

(V+) + |(V-)| ..................................................................... +13.0V

T_IN,

FORCEOFF, FORCEON ..................... -0.3V to (VL + 0.3V)

R_IN ................................................................................... ±25V

T_OUT.............................................................................. ±13.2V

R_OUT, READY ........................................... -0.3V to (VL + 0.3V)

Short-Circuit Duration

T_OUT to GND ......................................................... Continuous

Continuous Power Dissipation (TA = +70°C)

16-Pin TQFN (derate 20.8mW/°C above +70°C) ..... 1666mW

20-Pn TSSOP (derate 10.9mW/°C above +70°C) ...... 879mW

20-Pin TQFN (derate 21.3mW/°C above +70°C) ..... 1702mW

Junction-to-Case Thermal Resistance (

θJC) (Note 1)

16-Pin TQFN ................................................................. 2°C/W

20-Pin TSSOP ............................................................. 20°C/W

20-Pin TQFN ................................................................. 2°C/W

Junction-to-Ambient Thermal Resistance (

θJA) (Note 1)

16-Pin TQFN ............................................................... 30°C/W

20-Pin TSSOP ............................................................. 73°C/W

20-Pin TQFN ............................................................... 29°C/W

Operating Temperature Range

MAX1323x Operating Temperature Range .... -40°C to +85°C

MAX1323x Operating Temperature Range .. -40°C to +105°C

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

Lead Temperature (soldering, 10s) .................................+300ºC

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC

35.5

Logic Supply Voltage

1.62

VCC

FORCEOFF = FORCEON = VL, no loads

0.3

VL = 0V

VCC Supply Current

ICC

AutoShutDown Plus,

FORCEOFF = VL,

FORCEON = GND, all R_IN idle, all T_IN

idle.

110

µA

VCC Shutdown Current

ICCSH

FORCEOFF = GND

µA

VL Supply Current

VCC = +5.5V

µA

VL Shutdown Current

ILSH

FORCEOFF = GND

µA

LOGIC INPUTS (T_IN, FORCEON,

FORCEOFF, Referred to VL)

Input Threshold Low

VIL

Tested at room temperature only

1/3 x VL

Input Threshold High

VIH

Tested at room temperature only

2/3 x VL

Input Hysteresis

Input Leakage Current

±0.01

±1

µA

RECEIVER OUTPUTS (READY)

Output-Voltage Low

VOL

IOUT = 0.8mA

0.4

Output-Voltage High

VOH

IOUT = -0.5mA

VL - 0.6 VL - 0.1

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