参数资料
型号: DS232AE+
厂商: Maxim Integrated Products
文件页数: 6/10页
文件大小: 0K
描述: IC TXRX RS232 DUAL 20-TSSOP
标准包装: 74
类型: 收发器
驱动器/接收器数: 2/2
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: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 管件
DS232A
5 of 10
DC ELECTRICAL CHARACTERISTICS (continued)
(0
°C to 70°C)
RS-232 Receivers
RS-232 Input Voltage Operating Range
VIR
±25
±30
V
RS-232 Input Threshold Low
VRTL
0.8
1.3
V
RS-232 Input Threshold High
VRTH
1.8
2.4
V
RS-232 Input Hysteresis
VHY
0.2
0.5
1
V
RS-232 Input Resistance
RIN
3
5
7
k
Ω
TTL/CMOS Output Voltage Low
VROL
0.2
0.4
V
5
TTL/CMOS Output Voltage High
VROH
3.5
VCC-0.2
V
6
TTL/CMOS Output Short Circuit
Current (VOUT=GND)
IRSC
-2
-10
mA
TTL/CMOS Output Short Circuit
Current (VOUT=VCC)
IRSC
10
30
mA
AC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Transition Slew Rate
tSR
6
12
30
V/
μs
7
Transmitter Propagation
Delay TTL to RS-232
tPHLT
tPLHT
1.3
1.5
3.5
μs
Receiver Propagation
Delay RS-232 to TTL
tPHLR
tPLHR
0.5
0.6
1
μs
Transmitter + to - Propagation
Delay Difference
tPHLT
-tPLHT
300
ns
Receiver + to - Propagation
Delay Difference
tPHLR
-tPLHR
100
ns
NOTES:
1. All voltages are referenced to ground.
2. All transmitter outputs loaded with 3 k
Ω to ground
3. VCC = V+ = V- = 0V; VOUT = ±2V.
4. VOUT = 0V.
5. IOUT = 3.2 mA.
6. IOUT = -1.0 mA.
7. CL = 50 pF - 2500 pF; RL = 3 kΩ - 7 kΩ; VCC = 5V; TA = 25°C.
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