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| 型號： | MAX218 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 16-Bit Buffers/Drivers With 3-State Outputs 48-SSOP -40 to 85 |
| 中文描述： | 1.8V至4.25V供電、雙路、真RS-232收發(fā)器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 92K |
| 代理商： | MAX218 |
M
1.8V to 4.25V-Powered,
True RS -232 Dual Transc eiver
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltages
V
CC
....................................................................-0.3V to +4.6V
V+ .......................................................... (V
CC
- 0.3V) to +7.5V
V-.......................................................................+0.3V to -7.4V
V
CC
to V-..........................................................................+12V
LX ................................................................-0.3V to (1V + V+)
InT_IN, EN, S———N................................................. -0.3V to +7V
R_IN.................................................................................±25V
Output Voltages
T_OUT.............................................................................±15V)
R_OUT....................................................-0.3V to (V
CC
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
CC
= 1.8V to 4.25V, C1 = 0.47μF, C2 = C3 = C4 = 1μF, L1 = 15μH, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at V
CC
= 3.0V, T
A
= +25°C.)
CONDITIONS
PARAMETER
DC CHARACTERISTICS
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.
Short-Circuit Duration, R_OUT, T_OUT to GND ....... Continuous
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 11.11mW/°C above +70°C) ..........889mW
Wide SO (derate 10.00mW/°C above +70°C)..............800mW
SSOP (derate 8.00mW/°C above +70°C) ...................640mW
Operating Temperature Ranges
MAX218C_ P..................................................... 0°C to +70°C
MAX218E_ P................................................... -40°C to +85°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10sec) ........................... +300°C
All transmitter outputs loaded with 3k
to ground
V
CC
= 0V, -2V < T_OUT < +2V
-15V < R_IN < +15V
No load, V
= EN = S———N= 3.0V, T
A
= +25°C
S———N= EN = 0V, all R_INs static
S———N= 0V, EN = V
CC
, all R_INs static
V
CC
= 1.8V to 3.6V
V
CC
= 1.8V to 4.25V
V
CC
= 1.8V to 4.25V
V
CC
= 2.0V to 4.25V
R_OUT, I
OUT
= 1.0mA
R_OUT, I
OUT
= -0.4mA
T_IN, EN, S———N= 0V or V
CC
T_IN
T_IN, EN, S———N
R_OUT, 0V
≤
R_OUT
≤
V
CC
, EN = 0V
T_IN, EN, S———N
V
±5
300
±6
Output Voltage Swing
Output Resistance
k
3
5
7
Input Resistance
EIA/TIA-232E TRANSMITTER OUTPUTS
V
0.7
Input Hysteresis
V
2.8
Input Threshold High
3.0
V
0.3
Input Threshold Low
0.4
V
-25
+25
Input Voltage Range
μA
0.05
±10
Output Leakage Current
EIA/TIA-232E RECEIVER INPUTS
V
V
CC
- 0.25
V
CC
- 0.08
Output Voltage High
mA
1.9
0.04
0.04
3.0
10
10
Supply Current (Note 1)
V
1.8
4.25
Operating Voltage Range
V
0.4
Output Voltage Low
μA
0.001
±1
Input Leakage Current
V
0.1
Input Hysteresis
V
0.67 x V
CC
Input Logic Threshold High
μA
Shutdown Supply Current
V
0.33 x V
CC
Input Logic Threshold Low
UNITS
MIN
TYP
MAX
mA
±24
±100
Output Short-Circuit Current
LOGIC
Note 1:
Entire supply current for the circuit of Figure 1.
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