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MAX3237ECDB 产品手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
接口芯片
封装:
SSOP-28
描述:
RS-232 线路收发器，多通道，Texas Instruments### RS-232 线路驱动器和接收器
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MAX3237ECDB数据手册
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V
CC
= 5.0V
MAX3222/MAX3232/MAX3237/MAX3241
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
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.
Note 1: V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V.
V
CC
...........................................................................-0.3V to +6V
V+ (Note 1)...............................................................-0.3V to +7V
V- (Note 1)................................................................+0.3V to -7V
V+ + V- (Note 1)...................................................................+13V
Input Voltages
T_IN,
SHDN, EN ...................................................-0.3V to +6V
MBAUD...................................................-0.3V to (V
CC
+ 0.3V)
R_IN.................................................................................±25V
Output Voltages
T_OUT...........................................................................±13.2V
R_OUT....................................................-0.3V to (V
CC
+ 0.3V)
Short-Circuit Duration
T_OUT....................................................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)...842mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ....696mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C)........762mW
16-Pin TSSOP (derate 6.7mW/°C above +70°C).............533mW
18-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ..889mW
18-Pin SO (derate 9.52mW/°C above +70°C)..............762mW
20-Pin SSOP (derate 8.00mW/°C above +70°C) .........640mW
20-Pin TSSOP (derate 7.0mW/°C above +70°C).............559mW
28-Pin SO (derate 12.50mW/°C above +70°C).....................1W
28-Pin SSOP (derate 9.52mW/°C above +70°C) .........762mW
28-Pin TSSOP (derate 8.7mW/°C above +70°C).............696mW
Operating Temperature Ranges
MAX32_ _C_ _.....................................................0°C to +70°C
MAX32_ _E_ _ .................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
I
OUT
= -1.0mA
I
OUT
= 1.6mA
Receivers disabled
T_IN, EN, SHDN, MBAUD
T_IN, EN, SHDN, MBAUD
CONDITIONS
V
0.8 1.5
Input Threshold Low
0.6 1.2
V-25 25Input Voltage Range
0.5 2.0
V
CC
Power-Supply Current
VV
CC
- 0.6 V
CC
- 0.1Output Voltage High
V0.4Output Voltage Low
µA±0.05 ±10Output Leakage Current
µA±0.01 ±1.0Input Leakage Current
V0.8
Input Logic Threshold Low
(Note 3)
UNITS
MIN TYP MAX
PARAMETER
T
A
= +25°C
T
A
= +25°C
V
1.8 2.4
Input Threshold High
1.5 2.4
V
CC
= 3.3V
V
CC
= 5.0V
2.0
V
2.4
Input Logic Threshold High
(Note 3)
No load, V
CC
= 3.3V or 5.0V,
T
A
= +25°C
mA
0.3 1.0
MAX3222/MAX3232/
MAX3241
MAX3237
SHDN = GND, T
A
= +25°C µA1.0 10Shutdown Supply Current
V
CC
= 3.3V
V
CC
= 5.0V
V
CC
= 3.3V
V
CC
= 5.0V
DC CHARACTERISTICS
LOGIC INPUTS AND RECEIVER OUTPUTS
RECEIVER INPUTS
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