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Product Overview
The SN72456N is a differential bus transceiver designed for RS-485 communication. It operates from a single 5V supply, features half-duplex data transmission, and supports data rates up to 250 kbps. The device is characterized for operation from -40°C to +85°C and is available in a DIP-8 package. It is ideal for industrial networks, building automation, and other noisy environments due to its robust differential signaling and high common-mode noise rejection.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
5V ±10% |
| Data Rate |
250 kbps |
| Duplex |
Half-Duplex |
| Number of Drivers |
1 |
| Number of Receivers |
1 |
| Output Voltage (Driver) |
±1.5V min (with 54Ω load) |
| Receiver Input Sensitivity |
±200 mV |
| Receiver Input Hysteresis |
50 mV |
| Common-Mode Voltage Range |
-7V to +12V |
| ESD Protection |
±15 kV (HBM) |
| Operating Temperature |
-40°C to +85°C |
| Package |
DIP-8 |
Key Features
- RS-485 bus transceiver with 5V supply
- Half-duplex communication
- Data rate up to 250 kbps
- Low power consumption
- Thermal shutdown protection
- Open-circuit, short-circuit, and idle bus fail-safe
- Up to 32 transceivers on a single bus
- High common-mode noise rejection
Target Applications
- Industrial automation and process control (e.g., PLC communication modules)
- Building automation (e.g., HVAC controllers, lighting systems)
- Networked security systems (e.g., access control panels)
- Remote data acquisition (e.g., sensor networks)
- 5G base station control interfaces
- Automotive diagnostic systems (e.g., OBD-II interfaces)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN72456N. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
-
BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
-
100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
-
RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN72456N 是一款專為 RS-485 通訊設計的差分匯流排收發器。它可在 5V 單電源下工作,支援半雙工數據傳輸,數據速率高達 250 kbps。該器件的工作溫度範圍為 -40°C 至 +85°C,採用 DIP-8 封裝。由於其差分信號傳輸和高共模噪聲抑制能力,非常適合工業網路、樓宇自動化及其他噪聲環境。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
5V ±10% |
| 數據速率 |
250 kbps |
| 雙工模式 |
半雙工 |
| 驅動器數量 |
1 |
| 接收器數量 |
1 |
| 驅動器輸出電壓 |
±1.5V 最小值(54Ω 負載) |
| 接收器輸入靈敏度 |
±200 mV |
| 接收器輸入遲滯 |
50 mV |
| 共模電壓範圍 |
-7V 至 +12V |
| ESD 保護 |
±15 kV(HBM) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
DIP-8 |
核心特性
- RS-485 匯流排收發器,5V 供電
- 半雙工通訊
- 數據速率高達 250 kbps
- 低功耗
- 熱關斷保護
- 開路、短路和空閒匯流排故障安全
- 單一匯流排上最多可連接 32 個收發器
- 高共模噪聲抑制
典型應用場景
- 工業自動化與過程控制(例如 PLC 通訊模組)
- 樓宇自動化(例如 HVAC 控制器、照明系統)
- 網路安全系統(例如門禁控制面板)
- 遠程數據採集(例如傳感器網路)
- 5G 基站控制接口
- 汽車診斷系統(例如 OBD-II 接口)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN72456N 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
-
全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]