SN65HVS885 - 用于工业数字输入的带有 5V Vcc 的 8 输入宽 0-34V 数字输入串行器

SN65HVS885是TI德州仪器公司的一款工业级串行器/解串器产品，SN65HVS885是用于工业数字输入的带有 5V Vcc 的 8 输入宽 0-34V 数字输入串行器，本站介绍了SN65HVS885的封装应用图解、特点和优点、功能等，并给出了与SN65HVS885相关的TI元器件型号供参考。

SN65HVS885 - 用于工业数字输入的带有 5V Vcc 的 8 输入宽 0-34V 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

产品特性

Eight Digital Sensor Inputs
- High Input Voltage up to 34 V
- Selectable Debounce Filters From 0 ms to 3 ms
- Flexible Input Current-Limited – 0.2 mA to 5.2 mA
- Field Inputs Protected to 15-kV ESD
Single 5-V Supply
Output Drivers for External Status LEDs
Cascadable for More Inputs in Multiples of Eight
SPI-Compatible Interface
Overtemperature Indicator

产品应用

Industrial PCs
Digital I/O Cards
High Channel Count Digital Input Modules
Decentralized I/O Modules

产品说明

The SN65HVS885 is an eight channel, digital-input serializer for high-channel density digital input modules in industrial and building automation. Operating from a 5-V supply the device accepts field input voltages of up to 34 V. 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. Inputs signals are current limited and then validated by internal debounce filters.

With the addition of few external components, the input switching characteristic 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 on-chip temperature sensor provides diagnostic information for graceful shutdown and system safety.

The SN65HVS885 is available in a 28-pin PWP PowerPAD™ package, allowing for efficient heat dissipation. The device is specified for operation at temperatures from –40°C to 125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN65HVS885	HTSSOP (28)	9.70 mm × 4.40 mm

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