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参数资料
| 型号： | MAX3535EEWI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/26页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 28-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 25 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 3 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： | 管件 |
| 产品目录页面： | 1408 (CN2011-ZH PDF) |
Transformer Selection
The MXL1535E is a pin-for-pin compatible upgrade of
the LTC1535, making any transformer designed for that
device suitable for the MXL1535E (see Table 4). These
transformers all have a turns ratio of about 1:1.3CT.
The MAX3535E can operate with any of the transformers
listed in Table 4, in addition to smaller, thinner transform-
ers designed for the MAX845 and MAX253. The 420kHz
transformer driver operates with single primary and cen-
ter-tapped secondary transformers. When selecting a
transformer, do not exceed its ET product, the product of
the maximum primary voltage and half the highest period
of oscillation (lowest oscillating frequency). This ensures
that the transformer does not enter saturation. Calculate
the minimum ET product for the transformer primary as:
ET = VMAX / (2 x fMIN)
where, VMAX is the worst-case maximum supply voltage,
and fMIN is the minimum frequency at that supply voltage.
Using +5.5V and 290kHz gives a required minimum ET
+3V to +5V, 2500VRMS Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
TGM-250
1/2
BAT54C
TRANSFORMER
DRIVER
BARRIER
TRANSCEIVER
ISOLATION BARRIER
BARRIER
TRANSCEIVER
1/2
BAT54C
VOLTAGE
REGULATOR
GND2
+5V
DRIVER
RECEIVER
A
B
Y
Z
Y
Z
SLO
RO2
ST1
RO1
RO
RE
DE
DI
GND1
ST2
VCC2
VCC1
VCC2
0.1
μF
0.1
μF
CONTROL GROUND
RS-422 GROUND
10
μF
10
μF
MAX3535E
MXL1535E
MAX488
R
D
A
B
120
Ω
120
Ω
R
D
R
Figure 12. Using the MAX3535E/MXL1535E as an RS-422 Line Repeater
VCC1
ROH
ROL
TRANSFORMER DRIVER OUTPUT STAGE
TRANSFORMER
PRIMARY
GND1
ST1
ST2
Figure 13. Transformer Driver Output Stage
MAX3535E/MXL1535E
20
Maxim Integrated
MAX3535E/MXL1535E
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3535EEWI+ | 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3535EEWI+T | 功能描述:RS-422/RS-485 接口 IC 3-5V 2500Vrms Iso Transceiver RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3535EEWI-T | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3535EVKIT | 功能描述:RS-422/RS-485 接口 IC 3V to 5V Isolated RS485/RS422 Transceiver RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3535EWI | 制造商:Maxim Integrated Products 功能描述:+3V TO +5V, 2500VRMS ISOLATED RS485/RS422 TRA - Rail/Tube |
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