Rainbow-electronics MAX13223E Bedienungsanleitung PDF herunterladen (Seite 2)

MAX13223E

±70V Fault-Protected, 3.0V to 5.5V,

2Tx/2Rx RS-232 Transceiver

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= +3.0V to +5.5V, T

= -40°C to +85°C, unless otherwise noted. Typical values are at V

= +3.3V, T

= +25°C, unless otherwise

noted. For V

= +3.0V to +3.6V, C1–C3 = 0.1µF, C4 = 1µF. For V

= +4.5V to +5.5V, C1 = 47nF, C2–C3 = 330nF, C4 = 1µF.) (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.

(Voltages referenced to GND.)

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

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

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

V+ to V- ................................................................................+13V

Input Voltages

T1IN, T2IN, EN, FORCEON, FORCEOFF ..........-0.3V to +6.0V

R1IN, R2IN .......................................................................±70V

Output Voltages

T1OUT, T2OUT ................................................................±70V

R1OUT, R2OUT, INVALID ......................-0.3V to (V

+ 0.3V)

Short-Circuit Duration

T1OUT, T2OUT.......................................................Continuous

Continuous Power Dissipation (T

= +70°C)

20-Pin TSSOP (derate 13.6mW/°C above +70°C) .....1084mW

Junction-to-Case Thermal Resistance (θ

) (Note 1)

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

Junction-to-Ambient Thermal Resistance (θ

) (Note 1)

20-Pin TSSOP............................................................73.8°C/W

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

Junction Temperature..................................................... +150°C

Storage Temperature Range ............................ -65°C to +150°C

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

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply Voltage V

3.0 5.5 V

Supply Current

AutoShutdown disabled (FORCEON =

FORCEOFF = V

), no load

815mA

Supply Current AutoShutdown I

ASD

FORCEON = GND, FORCEOFF = V

R1IN and R2IN idle, T1IN and T2IN idle

1.0 10 µA

Supply Current Shutdown I

FORCEOFF = GND 1.0 10 µA

LOGIC INPUTS

Input-Logic Low V

T_IN

T_IN, EN, FORCEON, FORCEOFF,

= +3.3V to +3.6V, +5.0V to +5.5V

0.8 V

= +3.3V 2.0

Input-Logic High V

T_IN

T_IN, FORCEON,

FORCEOFF, EN

= +5.0V 2.4

Transmitter Input Hysteresis V

INHYS

0.5 V

Input Leakage Current I

IN,LKG

T_IN, EN, FORCEON, FORCEOFF ±0.01 ±1 µA

RECEIVER OUTPUTS

Output Leakage Current I

OU T

LK G

EN = V

±0.05 ±10 µA

Output-Voltage Low V

R X

OU T

L O

OUT

= 1.6mA 0.4 V

Output-Voltage High V

R X

OU T

H I

OUT

= -1.0mA

0.6

0.2

INVALID OUTPUT (AutoShutdown (FORCEON = GND, FORCEOFF = V

))

Positive level 2.7

Receiver-Input Level to INVALID

Output High

RX_IN,

INV_HI

Figure 6a

Negative level -2.7

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

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