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參數(shù)資料
| 型號(hào)： | MAX221 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple Bus Buffer Gates With 3-State Outputs 14-TSSOP -40 to 85 |
| 中文描述： | +5V、1µA、單路RS-232收發(fā)器，帶有AutoShutdown |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 110K |
| 代理商： | MAX221 |
M
+5V, 1μA, Single RS-232 Transceiver
with AutoShutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
..........................................................................-0.3V to +6V
V+ ...............................................................(V
CC
- 0.3V) to +14V
V- ...........................................................................-14V to +0.3V
Input Voltages
TIN..........................................................-0.3V to (V+ + 0.3V)
RIN.................................................................................±30V
FORCEON,
FORCEOFF
,
EN
.................-0.3V to (V
CC
+ 0.3V)
Output Voltages
TOUT ..............................................(V- - 0.3V) to (V+ + 0.3V)
ROUT,
INVALID
....................................-0.3V to (V
CC
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V ±10%, C1–C4 = 0.1μF, 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.
Short-Circuit Duration, TOUT .....................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
TSSOP (derated 6.7mW/°C above +70°C) ................533mW
SSOP (derated 7.1mW/°C above +70°C) ..................571mW
Operating Temperature Range
MAX221C_ _ .....................................................0°C to +70°C
MAX221E_ _ ..................................................-40°C to +85°C
Maximum Junction Temperature ................................... +150°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10sec)............................ +300°C
Figure 3
Figure 3
No load, T
A
= +25°C
T
A
= +25°C, Figure 1
Figure 3
I
SOURCE
= 1.0mA
I
SINK
= 1.6mA
CONDITIONS
I
CC
= 1μA, Figure 3
ROUT; I
SINK
= 3.2mA
ROUT; I
SOURCE
= 1.0mA
Figure 3
TIN;
EN
,
FORCEOFF,
FORCEON
TIN,
EN
,
FORCEOFF
EN
= V
CC
, 0
≤
ROUT
≤
V
CC
TIN = 0 to V
CC
μs
30
t
INVL
Receiver Positive or Negative
Threshold to
INVALID
Low
μs
1
t
INVH
Receiver Positive or Negative
Threshold to
INVALID
High
μs
250
t
WU
Receiver Threshold to
Transmitter Enabled
V
V
CC
- 0.6
INVALID
Output Voltage High
V
0.4
INVALID
Output Voltage Low
V
-0.3
0.3
Receiver Input Threshold,
Transmitter Disabled
-2.7
Positive threshold
Negative threshold
V
2.7
Receiver Input Threshold,
Transmitter Enabled
μA
±0.05
±10
Output Leakage Current
AUTOSHUTDOWN
V
3.5
V
OH
Output Voltage High
mA
μA
μA
5
1
1
10
10
10
I
CC
I
SHDN
I
AS
V
CC
Supply Current
Shutdown Supply Current
AutoShutdown Supply Current
LOGIC INPUTS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
0.4
V
OL
Output Voltage Low
V
V
0.8
V
IL
V
IH
Input Threshold Low
Input Threshold High
μA
±1
I
IN
Input Leakage Current
2.4
DC CHARACTERISTICS
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