具有诊断功能的 34V、8 通道数字输入串行器 28-HTSSOP -40 to 125
The SN65HVS881 is an eight channel, digital-input serializer for high-channel density digital input modules in industrial automation. In combination with galvanic isolators the device completes the interface between the high voltage signals on the field-side and the low-voltage signals on the controller side. Input signals are current-limited and then validated by internal debounce filters.
With the addition of a few external components, the input switching characteristics can be configured in accordance with IEC61131-2 for Type 1, 2 and 3 sensor switches.
Upon the application of load and clock signals, input data is latched in parallel into the shift register and afterwards clocked out serially.
Cascading of multiple devices is possible by connecting the serial output of the leading device with the serial input of the following device, enabling the design of high-channel count input modules. Multiple devices can be cascaded through a single serial port, reducing both the isolation channels and controller inputs required.
Input status can be visually indicated via constant current LED outputs. The current limit on the inputs is set by a single external precision resistor. An integrated voltage regulator provides a 5V output to supply low-power isolators. An on-chip temperature sensor provides diagnostic information for graceful shutdown and system safety. An internal parity check for odd parity ensures trustworthy transmission of serial data to the system controller.
The SN65HVS881 is available in a 28-pin PWP PowerPAD package, allowing for efficient heat dissipation. The device is characterized for operation at temperatures from 40°C to 125°C
工作电压 10.0 V to 34.0 V
输出接口数 1
输入电流 0.2mA ~ 5.2mA
耗散功率 2970 W
输入数 8
工作温度Max 125 ℃
工作温度Min -40 ℃
耗散功率Max 2970 mW
电源电压 10V ~ 34V
电源电压Max 34 V
电源电压Min 10 V
安装方式 Surface Mount
引脚数 28
封装 HTSSOP-28
封装 HTSSOP-28
工作温度 -40℃ ~ 125℃ TA
产品生命周期 Active
包装方式 Tube
RoHS标准 RoHS Compliant
含铅标准 Lead Free
ECCN代码 EAR99
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
SN65HVS881PWP TI 德州仪器 | 当前型号 | 当前型号 |
SN65HVS881PWPR 德州仪器 | 完全替代 | SN65HVS881PWP和SN65HVS881PWPR的区别 |