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SN65HVS885

更新时间： 2024-11-06 11:58:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
21页	828K
描述
34 V, Digital-Input Serializer for 5V Systems

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数据手册

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SN65HVS885 数据手册

Typical Size

6.4 mm X 9.7 mm

SN65HVS885

www.ti.com ............................................................................................................................................................................................... SLAS638–JANUARY 2009

34 V, Digital-Input Serializer for 5V Systems

FEATURES

•

Eight Digital Sensor Inputs

•

SPI-Compatible Interface

–

High Input Voltage up to 34 V

Over-Temperature Indicator

Selectable Debounce Filters From 0 ms to

3 ms

APPLICATIONS

•

Industrial PCs

Digital I/O Cards

High Channel Count Digital Input Modules

Decentralized I/O Modules

–

Flexible Input Current-Limited – 0.2 mA to

5.2 mA

Field Inputs Protected to 15-kV ESD

•

Single 5V Supply

Output Drivers for External Status LEDs

Cascadable for More Inputs in Multiples of

Eight

DESCRIPTION

The SN65HVS885 is an eight channel, digital-input serializer for high-channel density digital input modules in

industrial and building automation. Operating from a 5V supply the device accepts field input voltages of up to

34V. 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.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...21

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与SN65HVS885相关器件

型号	品牌	获取价格	描述	数据表
SN65HVS885_15	TI	获取价格	34-V Digital-Input Serializer
SN65HVS885PWP	TI	获取价格	34 V, Digital-Input Serializer for 5V Systems
SN65HVS885PWPR	TI	获取价格	34 V, Digital-Input Serializer for 5V Systems
SN65LBC031	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SN65LBC031D	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SN65LBC031DG4	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SN65LBC031DRG4	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SN65LBC031P	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SN65LBC031Q	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK CAN TRANSCEIVERS
SN65LBC031QD	TI	获取价格	HIGH-SPEED CONTROLLER AREA NETWORK CAN TRANSCEIVERS

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