SLLS348M − JUNE 1999 − REVISED MARCH 2004
MAX3221
3 V TO 5.5 V SINGLE CHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 6)
PARAMETER
II
Input leakage
current
FORCEOFF,
FORCEON, EN
Auto-powerdown
disabled
ICC
Supply current
Powered off
Auto-powerdown
enabled
VCC = 3.3 V or 5 V,
TA = 25°C
No load,
FORCEOFF and
FORCEON at VCC
No load, FORCEOFF at GND
No load, FORCEOFF at VCC,
FORCEON at GND,
All RIN are open or grounded
TEST CONDITIONS
MIN
TYP†
±0.01
MAX
±1
UNIT
µA
0.3
1
1
1
10
10
mA
µA
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
DRIVER SECTION
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 4 and Figure 6)
PARAMETER
VOH
VOL
IIH
IIL
IOS
ro
Ioff
High-level output voltage
Low-level output voltage
High-level input current
Low-level input current
Short-circuit output current‡
Output resistance
Output leakage current
DOUT at RL = 3 kΩ to
GND,
DOUT at RL = 3 kΩ to
GND,
VI = VCC
VI at GND
VCC = 3.6 V,
VCC = 5.5 V,
VCC, V+, and V− = 0 V,
FORCEOFF = GND
VO = 0 V
VO = 0 V
VO =
±2
V
VO =
±12
V,
VO =
±10
V,
300
VCC = 3 V to 3.6 V
VCC = 4.5 V to 5.5 V
TEST CONDITIONS
DIN = GND
DIN = VCC
MIN
5
−5
TYP†
5.4
−5.4
±0.01
±0.01
±35
±35
10M
±25
±25
±1
±1
±60
±60
MAX
UNIT
V
V
µA
µA
mA
Ω
µA
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
‡ Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings, and not more than one output
should be shorted at a time.
NOTE 4: Test conditions are C1−C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
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 6)
PARAMETER
tsk(p)
SR(tr)
Maximum data rate
Pulse skew§
Slew rate, transition region
(see Figure 1)
CL = 1000 pF,
CL = 150 pF to 2500 pF,
VCC = 3.3 V,
RL = 3 kΩ to 7 kΩ
TEST CONDITIONS
RL = 3 kΩ,
RL = 3 kΩ to 7 kΩ,
See Figure 1
See Figure 2
6
4
MIN
150
TYP†
250
100
30
30
MAX
UNIT
kbit/s
ns
V/µs
CL = 150 pF to 1000 pF
CL = 150 pF to 2500 pF
† All typical values are at VCC = 3.3 V or 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 = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2−C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
4
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
