SN65HVS882 - 用于工业数字输入的 8 输入宽 10-34V 数字输入串行器

SN65HVS882是TI德州仪器公司的一款工业级串行器/解串器产品，SN65HVS882是用于工业数字输入的 8 输入宽 10-34V 数字输入串行器，本站介绍了SN65HVS882的封装应用图解、特点和优点、功能等，并给出了与SN65HVS882相关的TI元器件型号供参考。

SN65HVS882 - 用于工业数字输入的 8 输入宽 10-34V 数字输入串行器 - 工业级串行器/解串器 - 串行器、解串器 - 德州仪器

产品描述

The SN65HVS882 is an eight channel, digital-input serializer for high-channel density digital input modules inindustrial 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 5-V output to supply low-power isolators. An on-chip temperature sensor provides diagnostic information for graceful shutdown and system safety.

The SN65HVS882 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.

产品特性

Eight Inputs
- High Input Voltage — up to 34 V
- Selectable Debounce Filters — 0 ms to 3 ms
- Flexible Input Current Limit — 0.2 mA to 5.2 mA
- Field Pins Protected to 15-kV HBM ESD
Output Drivers for External Status LEDs
Cascadable in Multiples of Eight Inputs
SPI-Compatible Interface
Regulated 5-V Output for External Isolator
Over-Temperature Indicator
APPLICATIONS
- Sensor Inputs for Industrial Automation and Process Control
- High Channel Count Digital Input Modules for PC and PLC Systems
- Decentralized I/O Modules
- Motion Control Systems

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