Rainbow-electronics MAX13223E Instrukcja Użytkownika Pobierz pdf (Strona 3)

MAX13223E

±70V Fault-Protected, 3.0V to 5.5V,

2Tx/2Rx RS-232 Transceiver

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ELECTRICAL CHARACTERISTICS (continued)

= +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)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Receiver-Input Level to INVALID

Output Low

RX_IN,

INV_LO

Figure 6a -0.3 +0.3 V

INVALID Output-Voltage Low V

INV_LO

OUT

= 1.6mA 0.4 V

INVALID Output-Voltage High V

INV_HI

OUT

= -1.0mA

0.6

RECEIVER INPUTS

Input-Voltage Range V

RX,IN

(Note 3) -70 +70 V

Overvoltage Threshold | V

OV TH R

| 24 28.3 32 V

= +3.3V 0.6

Input Threshold Low V

RX,LO

= +5.0V 0.8

= +3.3V 2.4

Input Threshold High V

RX,HI

= +5.0V 2.4

-24V < V

R_IN

< +24V (Note 3) 3 5 7

= V+ = V- = 0 35 250

Input Resistance R

INRES

+32V < |V

R_IN

| < +70V 35 250

kΩ

TRANSMITTER OUTPUTS

Output-Voltage Swing V

= 3kΩ, Figure 4 ±5 ±6 V

Output Resistance R

ROUT

= V+ = V- = 0, T

OUT

= ±2V 300 Ω

Overvoltage Protection Threshold |V

TX,FB

| 14 19 V

Output Short-Circuit Current I

SHORT

T_OUT = 0 ±80 mA

OUT

> V

TX,FB

Overvoltage Current I

IFBOUT

OUT

< -V

TX,FB

-6

T_OUT = +12V 450 900

Output Leakage Current in

Shutdown Mode

TX,LKG T_OUT = -12V, V

= 0 or 3V to 5.5V in

shutdown mode

-150 -80

µA

PROTECTION

Overvoltage Protection Range R1IN, R2IN, T1OUT, T2OUT -70 +70 V

ESD PROTECTION (Note 4)

IEC 6100-4-2 Contact Discharge ±8

R1IN, R2IN, T1OUT, T2OUT

Human Body Model ±8

All Other Pins Human Body Model ±2

1 2 3 4 5 6 7 8 9 10 11

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