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PARAMETER MEASUREMENT INFORMATION

50 W

TESTCIRCUIT

VOLTAGEWAVEFORMS

0V

3V

Output

Input

V

OL

V

OH

t

PLH(D)

Generator

(seeNoteB)

R

L

RS-232

Output

t

PHL (D)

C

L

(seeNote A)

NOTES: A.C includesprobeandjigcapacitance.

L

B. Thepulsegeneratorhasthefollowingcharacteristics:PRR=120kbit/s,Z =50

,50%dutycycle,t

10ns,t

10ns.

O

r

f

W

£

£

1.5V

1.5V

3V

–3V

3V

–3V

SR(tf)=

6V

t

ort

PHL(D

PLH(D)

)

TESTCIRCUIT

VOLTAGEWAVEFORMS

0V

3V

Output

Input

V

OL

V

OH

t

PLH(D)

t

PHL (D)

50%

50%

NOTES: A.C includesprobeandjigcapacitance.

L

B. Thepulsegeneratorhasthefollowingcharacteristics:PRR=120kbit/s,Z =50

,50%dutycycle,t

10ns,t

10ns.

O

r

f

W

£

£

1.5V

1.5V

50 W

Generator

(seeNoteB)

R

L

RS-232

Output

C

L

(seeNote A)

TESTCIRCUIT

VOLTAGEWAVEFORMS

50 W

50%

50%

–3V

3V

1.5V

1.5V

Output

Input

V

OL

V

OH

t

PHL (R)

Generator

(seeNoteB)

t

PLH(R)

Output

C

L

(seeNote A)

NOTES: A.C includesprobeandjigcapacitance.

L

B. Thepulsegeneratorhasthefollowingcharacteristics:Z =50

,50%dutycycle,t

10ns,t

10ns.

O

r

f

W

£

£

MAX202

5-V DUAL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS576E – JULY 2003 – REVISED APRIL 2007

Figure 1. Driver Slew Rate

Figure 2. Driver Pulse Skew

Figure 3. Receiver Propagation Delay Times

6

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