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参数资料
| 型号： | ADM2483BRW |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 通用总线功能 |
| 英文描述： | Half-Duplex iCoupler-R Isolated RS-485 Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDSO16 |
| 封装： | MS-013AA, SOIC-16 |
| 文件页数： | 16/20页 |
| 文件大小： | 308K |
| 代理商： | ADM2483BRW |
ADM2483
Rev. 0 | Page 16 of 20
100
10
1
0.1
0.01
0.0011k
10k
100k
1M
10M
100M
0
MAGNETIC FIELD FREQUENCY (Hz)
M
F
Figure 27. Maximum Allowable External Magnetic Flux Density
For example, at a magnetic field frequency of 1 MHz, the
maximum allowable magnetic field of 0.2 kGauss induces a
voltage of 0.25 V at the receiving coil. This is about 50% of the
sensing threshold and does not cause a faulty output transition.
Similarly, if such an event occurred during a transmitted pulse
and was of the worst-case polarity, it would reduce the received
pulse from >1.0 V to 0.75 V. This would be well above the 0.5 V
sensing threshold of the decoder.
As a convenience to the user, these magnetic flux density values
are shown in Figure 28, using more familiar quantities such as
maximum allowable current flow, at given distances away from
the ADM2483 transformers.
1000
100
0.1
1
10
0.011k
10k
100k
1M
10M
100M
0
MAGNETIC FIELD FREQUENCY (Hz)
M
DISTANCE = 1m
DISTANCE = 5mm
DISTANCE = 100mm
Figure 28. Maximum Allowable Current for Various
Current-to-ADM2483 Spacings
Note that at combinations of strong magnetic field and high
frequency, any loops formed by printed circuit board traces
could induce large enough error voltages to trigger the
thresholds of succeeding circuitry. To avoid this possibility, be
careful in the layout of such traces.
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相关代理商/技术参数 |
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| ADM2483BRW-REEL | 功能描述:IC TXRX RS-485 ISOLATED 16SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:iCoupler® 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 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 包装:管件 |
| ADM2483BRWZ | 功能描述:IC TXRX RS485 ISOLATED 16SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:iCoupler® 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 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 包装:管件 |
| ADM2483BRWZ | 制造商:Analog Devices 功能描述:RS-485 IC |
| ADM2483BRWZ-REEL | 功能描述:IC TXRX RS-485 ISOLATED 16SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:iCoupler® 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 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 包装:管件 |
| ADM2484E | 制造商:AD 制造商全称:Analog Devices 功能描述:500 kbps, ESD Protected, Half-/Full-Duplex, iCoupler, Isolated RS-485 Transceiver |
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