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参数资料
型号： MAX3440EAPA+
厂商： Maxim Integrated Products
文件页数： 13/19页
文件大小： 0K
描述： IC TXRX RS-485 250KBPS 8-DIP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 50
类型： 收发器
驱动器/接收器数： 1/1
规程： RS485
电源电压： 4.75 V ~ 5.25 V
安装类型： 通孔
封装/外壳： 8-DIP（0.300"，7.62mm）
供应商设备封装： 8-PDIP
包装： 管件
MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER LOGIC
Output High Voltage
VOH
Figure 2, IOH = -1.6mA
VCC - 0.6
V
Output Low Voltage
VOL
Figure 2, IOL = 1mA
0.4
V
Three-State Output Current at
Receiver
IOZR
0V
VA, B
VCC
±1
μA
Receiver Input Resistance
RIN
-7V
VCM
+12V
48
k
Receiver Output Short-Circuit
Current
IOSR
0V
VRO
VCC
±95
mA
CONTROL
Control Input High Voltage
VCIH
DE,
DE, RE, DE/RE
2
V
Input Current Latch During First
Rising Edge
IIN
DE, DE/RE,
RE
90
μA
SUPPLY CURRENT
MAX3440E (DE/RE = VCC),
MAX3442E (DE = VCC,
RE = GND),
MAX3444E (
DE = RE = GND)
30
Normal Operation
IQ
No load,
DI = VCC
or GND
MAX3441E (DE/RE = VCC),
MAX3443E (DE = VCC,
RE = GND)
10
mA
DE = GND,
RE = VCC (MAX3442E/
MAX3443E)
20
DE = GND,
RE = VCC, TA = +25°C
(MAX3442E/MAX3443E)
10
DE = RE = VCC (MAX3444E)
100
Supply Current in Shutdown Mode
ISHDN
DE = RE = VCC, TA = +25°C (MAX3444E)
10
μA
Supply Current with Output Shorted
to
±60V
ISHRT
DE = GND,
RE = GND, no load
output in three-state (MAX3443E)
±15
mA
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Overvoltage Protection
A, B; RSOURCE = 0, RL = 54
±60
V
ESD Protection
A, B
Human Body Model
±15
kV
FAULT DETECTION
Receiver Differential Threshold
FDIPH
VCM = 0V, high limit
270
450
mV
Receiver Differential Threshold
FDIPL
VCM = 0V, low limit
-450
-270
mV
Fault-Detection Common-Mode
Input Voltage Positive
12
V
Fault-Detection Common-Mode
Input Voltage Negative
-7
V
PROTECTION SPECIFICATIONS
(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
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相关代理商/技术参数
参数描述
MAX3440EAPA+ 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3440EASA 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3440EASA+ 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3440EASA+T 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3440EASA-T 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
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