±15kV ESD-Prote c te d, EMC-Com plia nt, 230kbps
RS-232 Se ria l Port for Mothe rboa rds /De s ktop PCs
ABSOLUTE MAXIMUM RATINGS
V
CC
...........................................................................-0.3V to +7V
Continuous Power Dissipation (T = +70°C)
A
V
.........................................................................-0.3V to +14V
......................................................................... +0.3V to -14V
Wide SO (derate 10.00mW/°C above +70°C)..............800mW
SSOP (derate 8.00mW/°C above +70°C) ....................640mW
Operating Temperature Ranges
DD
V
SS
Input Voltages
T
R
........................................................................-0.3V to +6V
...................................................................................±30V
MAX3185C_ P .....................................................0°C to +70°C
MAX3185E_ P ..................................................-40°C to +85°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec) ............................+300°C
IN
IN
Output Voltages
.................................................................................±15V
T
OUT
R
.......................................................-0.3V to (V + 0.3V)
OUT
CC
MAX3185
Short-Circuit Duration
T
R
(one at a time)...............................................Continuous
(one at a time) ..............................................Continuous
OUT
OUT
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.
ELECTRICAL CHARACTERISTICS
(V = +4.5V to +5.5V, V = +10.8V to +13.2V, V = -10.8V to -13.2V, T = T
to T , unless otherwise noted. Typical values
MAX
CC
DD
SS
A
MIN
are at T = +25°C.)
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
DC CHARACTERISTICS
V
CC
4.5
5.5
13.2
-10.8
1500
500
Operating Voltage Range
V
DD
10.8
-13.2
V
SS
I
CC
No load
No load
No load
380
185
185
Supply Current
I
DD
µA
I
SS
500
LOGIC
Input Logic Threshold Low
Input Logic Threshold High
Input Leakage Current
Output Voltage Low
Output Voltage High
TRANSMITTER OUTPUTS
V
T
0.8
V
V
ILT
IN
V
IHT
T
IN
2.0
0.01
1
µA
V
V
OLR
R
R
; I = 3.2mA
OUT SINK
0.4
V
OHR
; I
= 1mA
V
- 0.6
V
OUT SOURCE
CC
V
= 7.0V, V = -7.0V, R = 3kΩ
±5.0
±9.5
300
DD
SS
L
Output Voltage Swing
V
Ω
V
DD
= 12V, V = -12V, R = 3kΩ
SS
L
Transmitter Output Resistance
V
CC
= V = V = 0V, V
= ±2V
DD
SS
T_OUT
RS-232 Output Short-Circuit
Current
±35
±60
25
mA
RECEIVER INPUTS
Receiver Input Voltage
Operating Range
-25
V
RS-232 Input Threshold Low
RS-232 Input Threshold High
RS-232 Input Hysteresis
0.75
V
V
2.4
7
0.65
5
V
RS-232 Input Resistance
3
kΩ
Receiver Output Short-Circuit
Current
±10
mA
2
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
