参数资料
| 型号： | MAX3443EESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/19页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-485 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
______________________________________________________________________________________
11
Function Tables
INPUTS
OUTPUTS
A-B
VID DIFFERENTIAL
INPUT VOLTAGE
COMMON-MODE
VOLTAGE
RO
FAULT
CONDITIONED
BY DELAY
FAULT CONDITION
≥0.45V
1
0
Normal operation
<0.45V and
≥0.27V
1
Indeterminate
<0.27V and
≥-0.05V
1
Low-input differential voltage
≤-0.05V and ≥-0.2V
Indeterminate
(Note 1)
1
Low-input differential voltage
≤-0.2V and >-0.27V
0
1
Low-input differential voltage
≤-0.27V and >-0.45V
0
Indeterminate
≤-0.45V
≤12V and ≥-7V
00
Indeterminate
X
<-7V or >+12V
Indeterminate
1
Outside common-mode voltage range
Table 1. MAX3440E/MAX3441E Fault Table
X = Don’t care.
Note 1: Receiver output may oscillate with this differential input condition.
TRANSMITTING
INPUTS
OUTPUTS
DE/RE
DI
A
B
0
X
High-Z
10
01
11
10
Table 2. MAX3440E/MAX3441E
(RS-485/RS-422)
X = Don’t care.
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
A
B
0
X
High-Z
01
001
01
110
1
0
X
Shutdown
11
001
11
110
Table 3. MAX3442E/MAX3443E
(RS-485/RS-422)
X = Don’t care.
TRANSMITTING
INPUTS
OUTPUTS
CONDITIONS
TXD
DE
AB
—
0
1
High-Z
—
1
High-Z
—
0
1
Dominant state
1
0
High-Z
Recessive state
Table 4. MAX3444E (J1708) Application
RECEIVING
INPUTS
OUTPUTS
DE/RE
(A - B)
RO
0
≥-0.05V
1
0
≤-0.2V
0
Open/shorted
1
X
High-Z
Table 5. MAX3440E/MAX3441E
(RS-485/RS-422)
X = Don’t care.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3443ESA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX34440ETL+ | 功能描述:监控电路 PMBus 6Ch Power Supply Manager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX34440ETL+T | 功能描述:监控电路 PMBus 6Ch Power Supply Manager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX34441ETL+ | 功能描述:监控电路 PMBus 6Ch Power Supply Manager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX34441ETL+T | 功能描述:监控电路 PMBus 6Ch Power Supply Manager RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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