MAX222
5 V DUAL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
SLLS590D − SEPTEMBER 2003 − REVISED AUGUST 2004
RECEIVER SECTION
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 4)
PARAMETER
VOH
VOL
VIT+
VIT−
Vhys
ri
High-level output voltage
Low-level output voltage
Positive-going input threshold voltage
Negative-going input threshold voltage
Input hysteresis (VIT+ − VIT−)
Input resistance
VI =
±3
V to
±25
V
TEST CONDITIONS
IOH = −1 mA
IOL = 3.2 mA
VCC = 5 V
VCC = 5 V
MIN
3.5
TYP†
VCC − 0.2 V
0.4
1.7
0.8
0.2
3
1.3
0.5
5
1
7
2.4
MAX
UNIT
V
V
V
V
V
kW
† All typical values are at VCC = 5 V, and TA = 25°C.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 5 V
±
0.5 V.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 3)
PARAMETER
tPLH (R)
tPHL (R)
tPHL (R) −
tPLH (R)
tsk(p)
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Receiver (+ to −) propagation delay difference
Pulse skew‡
TEST
CONDITIONS
CL= 150 pF
CL= 150 pF
MIN
TYP†
0.6
0.5
100
100
MAX
1
1
UNIT
µs
µs
ns
ns
† All typical values are at VCC = 5 V and TA = 25°C.
‡ Pulse skew is defined as |tPLH − tPHL| of each channel of the same device.
NOTE 4: Test conditions are C1−C4 = 0.1
µF,
at VCC = 5 V
±
0.5 V.
ESD protection
PIN
DOUT, RIN
Human-Body Model
TEST CONDITIONS
TYP
±15
UNIT
kV
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
