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参数资料
| 型号： | MAX223EWI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 23/38页 |
| 文件大小： | 0K |
| 描述： | IC RS-232 DRVR/RCVR 28-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 4/5 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
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+5V-Powered, Multichannel RS-232
Drivers/Receivers
ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)
(VCC = +5V ±10%, C1–C4 = 0.1F MAX220, C1 = 0.047F, C2–C4 = 0.33F, TA = TMIN to TMAX unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
All except MAX220/MAX243, VCC = +5V, no
hysteresis in shutdown
0.2
0.5
1.0
MAX220
0.3
RS-232 Input Hysteresis
MAX243
1
V
3
5
7
RS-232 Input Resistance
TA = +25°C (MAX220)
3
5
7
k
IOUT = 3.2mA
0.2
0.4
TTL/CMOS Output Voltage Low
IOUT = 1.6mA (MAX220)
0.4
V
TTL/CMOS Output Voltage High
IOUT = -1.0mA
3.5
VCC - 0.2
V
Sourcing VOUT = VGND
-2
-10
TTL/CMOS Output Short-Circuit Current
Sinking VOUT = VCC
10
30
mA
TTL/CMOS Output Leakage Current
VSHDN = VCC or VEN = VCC (VSHDN = 0V for
MAX222), 0V
VOUT
VCC
±0.05
±10
μA
EN Input Threshold Low
MAX242
1.4
0.8
V
EN Input Threshold High
MAX242
2.0
1.4
V
Supply Voltage Range
4.5
5.5
V
MAX220
0.5
2
No load
MAX222/MAX232A/MAX233A/
MAX242/MAX243
4
10
MAX220
12
VCC Supply Current (VSHDN = VCC),
Figures 5, 6, 11, 19
3k
load
both inputs
MAX222/MAX232A/MAX233A/
MAX242/MAX243
15
mA
TA = +25°C
0.1
10
TA = 0°C to +70°C
2
50
TA = -40°C to +85°C
2
50
Shutdown Supply Current
MAX222/
MAX242
TA = -55°C to +125°C
35
100
μA
SHDN Input Leakage Current
MAX222/MAX242
±1
μA
SHDN Threshold Low
MAX222/MAX242
1.4
0.8
V
SHDN Threshold High
MAX222/MAX242
2.0
1.4
V
MAX222/MAX232A/
MAX233/MAX242/MAX243
6
12
30
Transition Slew Rate
CL = 50pF to 2500pF,
RL = 3k
to 7k ,
VCC = +5V, TA =
+25°C, measured
from +3V to -3V or
-3V to +3V
MAX220
1.5
3
30.0
V/μs
MAX222/MAX232A/
MAX233/MAX242/MAX243
1.3
3.5
tPHLT, Figure 1
MAX220
4
10
MAX222/MAX232A/
MAX233/MAX242/MAX243
1.5
3.5
Transmitter Propagation Delay TLL to
RS-232 (Normal Operation)
tPLHT, Figure 1
MAX220
5
10
μs
Maxim Integrated
3
MAX220–MAX249
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