SN65HVS880
- Eight Sensor Inputs
- High Input Voltage up to 30 V
- Selectable Debounce Filters From 0 ms to 3 ms
- Adjustable Current Limits From 0.2 mA to 5.2 mA
- Field Inputs and Supply Lines Protected to 15-kV HBM
- Output Drivers for External Status LEDs
- Cascadable for More Inputs in Multiples of Eight
- SPI-Compatible Interface
- Regulated 5-V Output for External Digital Isolator
- Over-Temperature and Low-Supply Voltage Indicator
- APPLICATIONS
- Sensor Inputs for Industrial Automation and Process Control
- IEC61131-2 Type 1, 2, or 3 Switches
- EN60947-5-2 Proximity Switches
- High Channel Count Digital Input Modules for PC and PLC Systems
- Decentralized I/O Modules
- Sensor Inputs for Industrial Automation and Process Control
PowerPAD Is a trademark of Texas Instruments
The SN65HVS880 is a 24-V, eight-channel, digital-input serializer for high-channel density digital input modules of PC and PLC based systems in industrial automation. In combination with galvanic isolators the device completes the interface between the 24-V sensor outputs of the field-side and the low-voltage controller inputs at the control-side. Input signals provided by EN60947-5-2 compliant 2- and 3-wire proximity switches are current-limited and then validated by internal debounce filters. The input switching characteristic is 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 via a subsequent isolator into a serial PLC input.
Cascading of multiple SN65HVS880 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. Input status is indicated via 3-mA constant current LED outputs. An external precision resistor is required to set the internal reference current. The integrated voltage regulator provides a 5-V output to supply low-power isolators. An on-chip temperature sensor together with an internal supply voltage monitor provides a chip-okay (CHOK) indication.
The SN65HVS880 comes in a 28-pin PWP PowerPAD package allowing for efficient heat dissipation. The device is specified for operation at temperatures from -40°C to 85°C.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | 24 V, Eight-Channel, Digital-Input Serializer datasheet (Rev. C) | 2008年 11月 5日 | |
| Application brief | How to Design Isolated Comparators for ±48V, 110V and 240V DC and AC Detection (Rev. A) | 2018年 3月 14日 | ||
| Application brief | How To Simplify Isolated 24-V PLC Digital Input Module Designs (Rev. B) | 2018年 3月 14日 | ||
| Application brief | How to Improve Speed and Reliability of Isolated Digital Inputs in Motor Drives | 2017年 12月 16日 | ||
| Analog Design Journal | 4Q 2010 Issue Analog Applications Journal | 2010年 11月 15日 | ||
| Analog Design Journal | Interfacing high-voltage applications to low-power controllers | 2010年 11月 15日 | ||
| User guide | SN65HVS880 | 2008年 12月 17日 | ||
| EVM User's guide | SN65HVS880 EVM User's Guide (Rev. A) | 2008年 12月 3日 | ||
| Application note | Special Features of the SN65HVS88x Family of Digital Input Serializers | 2008年 10月 7日 | ||
| Analog Design Journal | Cascading of input serializers boosts channel density for digital inputs | 2008年 8月 6日 | ||
| Analog Design Journal | Q3 2008 Issue Analog Applications Journal | 2008年 8月 6日 |
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| HTSSOP (PWP) | 28 | 檢視選項 |
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