±16.5kV ESD Protected, +125°C, 3.0V to 5.5V, TDFN Package, 20Mbps, Full Fail-safe, Low Power, RS-485/RS-422 Receivers
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概览
描述
The Intersil ISL3280E, ISL3281E, ISL3282E, ISL3283E, ISL3284E, ISL3285E are ±16. 5kV IEC61000 ESD Protected, 3. 0V to 5. 5V powered, single receivers that meet both the RS-485 and RS-422 standards for balanced communication. These receivers have very low bus currents (+125µA/-100µA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 receivers on the network without violating the RS-485 specification’s 32 unit load maximum and without using repeaters. Receiver inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. The ISL3280E and ISL3284E feature an always enabled Rx; the ISL3281E and ISL3285E feature an active high Rx enable pin and the ISL3282E and ISL3283E include an active low enable pin. All versions are offered in Industrial and Extended Industrial (-40°C to +125°C) temperature ranges. A 26% smaller footprint is available with the ISL3282E and ISL3285E TDFN package. These devices, plus the ISL3284E, also feature a logic supply pin (VL) that sets the VOH level of the RO output (and the switching points of the RE/RE input) to be compatible with another supply voltage in mixed voltage systems. For companion single RS-485 transmitters in micro packages, please see the ISL3293E datasheet.
特性
- IEC61000 ESD protection on RS-485 inputs: ±16.5kV
- Class 3 ESD level on all other pins: >5kV HBM
- Pb-free (RoHS compliant)
- Wide supply range: 3.0V to 5.5V
- Specified for +125°C operation
- Logic supply pin (VL) eases operation in mixed supply systems (ISL3282E, ISL3284E, ISL3285E only)
- Full fail-safe (open, short, terminated/undriven)
- True 1/8 unit load allows up to 256 devices on the bus
- High data rates: up to 20Mbps
- Low quiescent supply current: 500µA (max)
- Very low shutdown supply current: 20µA (max)
- -7V to +12V common mode input voltage range
- Tri-statable Rx available (active low or high EN input)
- 5V tolerant logic inputs when VCC ≤ 5V
应用
应用
- Clock Distribution
- High Node Count Systems
- Space Constrained Systems
- Security Camera Networks
- Building Environmental Control/Lighting Systems
- Industrial/Process Control Networks
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手册
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End Of Life Notice
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其他
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技术摘要
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白皮书
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设计和开发
软件与工具
模型
ECAD 模块
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
产品选择
Processing table
| TDFN | Reel | 12000 | 获取样片, |
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