參數資料
型號： MAX214
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85
中文描述： 可編程DTE/DCE、+5V、RS-232收發(fā)器
文件頁數： 2/12頁
文件大?。?/td> 132K
代理商： MAX214
M
Programmable DT E/DCE,
+5V RS -232 Transc eiver
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
...........................................................................-0.3V to +6V
Input Voltages
T
IN
, DTE/DCE, SHDN HI-Z ......................-0.3V to (V
CC
+ 0.3V)
R
IN
....................................................................................±15V
Output Voltages:
T
OUT
..................................................................................±15V
R
OUT
........................................................-0.3V to (V
CC
+ 0.3V)
Short-Circuit (one output at a time)
T
OUT
to GND...........................................................Continuous
R
OUT
to GND...........................................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) .............727mW
Wide SO (derate 12.50mW/°C above +70°C) ............1000mW
Operating Temperature Ranges:
MAX214C–I ..............................................0°C to +70°C
MAX214E–I ..........................................-40°C to +85°C
Storage Temperature Range......................-65°C to +150°C
Lead Temperature (soldering, 10sec) .......................+300°C
ELECTRICAL CHARACTERISTICS
(V
CC
= 4.5V to 5.5V, C1 to C4 = 1
μ
F, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
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.
PARAMETER
MIN
TYP
MAX
UNITS
Output Short-Circuit Current
RS-232 RECEIVERS
±7
±25
mA
Transmitter Output Resistance
300
300k
Output Voltage Swing
±5.0
±7.5
V
Logic Input Pull-Up Current
1
10
50
μ
A
Input Voltage Operating Range
±15
V
Positive Threshold Input Low
0.8
1.3
V
Positive Threshold Input High
1.8
2.4
V
Logic Input Threshold Low
0.8
1.4
V
Logic Input Threshold High
1.4
2.0
V
0.2
0.5
1.0
V
Negative Threshold Input Low
0.8
1.3
V
Negative Threshold Input High
1.3
2.4
V
Negative Threshold Input
Hysteresis
0.2
0.4
1.0
V
Input Resistance
100
300
0.2
k
TTL/CMOS Output Voltage Low
TTL/CMOS Output Voltage High
0.4
V
V
3.5
V
CC
- 0.2
CONDITIONS
V
CC
= 5V, normal operation, SHDN = 0V (no hysteresis
in shutdown)
V
OUT
= 0V
T
A
= +25°C, V
CC
= 5V
V
CC
= V+ = V- = 0V, V
OUT
= ±2V (Note 1)
All transmitter outputs loaded with 3k
to ground
Normal operation
T
A
= +25°C, V
CC
= 5V
V
CC
= 5V, normal operation, SHDN = 0V (no hysteresis
in shutdown)
HI-Z = 0V and SHDN = 0V
T
A
= +25°C, V
CC
= 5V, normal operation, SHDN = 0V
T
A
= +25°C, V
CC
= 5V, normal operation, SHDN = 0V
HI-Z = 5V or SHDN = 5V
I
OUT
= 3.2mA
I
OUT
= -1.0mA
Shutdown, SHDN = 5V
Shutdown, SHDN = 5V
Shutdown
±0.01
±1
Normal operation, SHDN = 0V
-2.6
-1.9
-1.5
-0.2
Normal operation, SHDN = 0V
3
5
7
Positive Threshold Input
Hysteresis
RS-232 TRANSMITTERS
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