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| 型号： | MAX13448EESD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 FULL DUPLEX 14SOIC |
| 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： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (TR) |
MAX13448E
±80V Fault-Protected Full-Duplex
RS-485 Transceiver
8
_______________________________________________________________________________________
Y
Z
VOD
VOC
RL/2
Figure 1. Driver DC Test Load
DI
DE
VCC
Z
Y
VO
RL
CL
Figure 2. Driver Timing Test Circuit
DI
VCC
0
Z
Y
VO
0
-VO
VO
VCC/2
tDPLH
tDPHL
1/2 VO
10%
tLH
90%
1/2 VO
10%
tHL
VOD = V (Y) - V (Z)
VOD
tSKEW = |tDPLH - tDPHL|
Figure 3. Driver Propagation Delays
Pin Description
PIN
NAME
FUNCTION
1, 8, 13
N.C.
No Connection. Not internally connected. Connect N.C. to GND or leave it unconnected.
2
RO
Receiver Output. If receiver is enabled and (A - B)
≥ -50mV, RO = high; if (A - B) ≥ -200mV, RO = low.
3
RE
Receiver Output Enable. Drive
RE low to enable RO; RO is high impedance when RE is high. Drive
RE high and DE low to enter low-power shutdown mode.
4DE
Driver Output Enable. Drive DE high to enable the driver outputs. Drive DE low to put the outputs in
high impedance. Drive
RE high and DE low to enter low-power shutdown mode.
5DI
Driver Input. Drive DI low to force the noninverting output low and the inverting output high. Drive DI
high to force the noninverting output high and the inverting output low.
6, 7
GND
Ground
9
Y
Noninverting Driver Output
10
Z
Inverting Driver Output
11
B
Inverting Receiver Input
12
A
Noninverting Receiver Input
14
VCC
Positive Supply. VCC = +3.0V to +5.5V. Bypass VCC to GND with a 1F ceramic capacitor as close
to VCC as possible. Typical VCC values are at VCC = +3.3V and VCC = +5.0V.
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相关代理商/技术参数 |
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|---|---|
| MAX13450EAUD+ | 功能描述:RS-485接口IC Half/Full-Dplx RS485 20Msps 5V LD/Rc 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 |
| MAX13450EAUD+T | 功能描述:RS-485接口IC Half/Full-Dplx RS485 20Msps 5V LD/Rc 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 |
| MAX13451EAUD+ | 功能描述:RS-485接口IC Full-Dplx RS485 20Msps 5V LD/Rc 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 |
| MAX13451EAUD+T | 功能描述:RS-485接口IC Full-Dplx RS485 20Msps 5V LD/Rc 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 |
| MAX1346BETX | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
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