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Product Overview
The SN75976A1DGG is a high-speed RS-485/RS-422 differential bus transceiver from Texas Instruments, designed for balanced data transmission in industrial and telecommunications applications. It operates from a single 3.3V supply and supports data rates up to 32 Mbps. The device features a 1/8 unit load, allowing up to 256 nodes on the bus, and includes driver output short-circuit protection and thermal shutdown. Housed in a 56-pin TSSOP package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
3.0V to 3.6V |
| Data Rate |
Up to 32 Mbps |
| Number of Nodes |
256 (1/8 unit load) |
| Driver Output Voltage |
±1.5V min (with 54Ω load) |
| Receiver Input Sensitivity |
±200 mV |
| Receiver Input Hysteresis |
50 mV typical |
| Operating Temperature |
-40°C to +85°C |
| Package |
56-TSSOP |
| ESD Protection |
±15 kV (HBM) |
Key Features
- 3.3V single-supply operation
- High data rate: up to 32 Mbps
- 1/8 unit load for up to 256 nodes on the bus
- Driver output short-circuit protection
- Thermal shutdown protection
- Receiver open-circuit fail-safe
- Low power consumption: < 1 mA quiescent current
- 56-pin TSSOP package for compact designs
Target Applications
- Industrial automation: PLC, motor drives, sensors
- Telecommunications: 5G base station backhaul, network switches
- Building automation: HVAC controllers, lighting systems
- Automotive: infotainment, dashboard communication
- Medical equipment: patient monitoring, imaging systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN75976A1DGG. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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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.
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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
SN75976A1DGG 是德州儀器(TI)推出的高速 RS-485/RS-422 差分匯流排收發器,專為工業和電信應用中的平衡數據傳輸而設計。它採用單一 3.3V 電源供電,支援高達 32 Mbps 的數據速率。該器件具有 1/8 單位負載,允許匯流排上最多 256 個節點,並包括驅動器輸出短路保護和熱關斷功能。採用 56 引腳 TSSOP 封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
3.0V 至 3.6V |
| 數據速率 |
最高 32 Mbps |
| 節點數量 |
256(1/8 單位負載) |
| 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 |
典型值 50 mV |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
56-TSSOP |
| ESD 保護 |
±15 kV(HBM) |
核心特性
- 3.3V 單電源供電
- 高速數據傳輸:最高 32 Mbps
- 1/8 單位負載,支援最多 256 個節點
- 驅動器輸出短路保護
- 熱關斷保護
- 接收器開路失效保護
- 低功耗:靜態電流 < 1 mA
- 56 引腳 TSSOP 封裝,節省空間
典型應用場景
- 工業自動化:PLC、電機驅動、傳感器
- 電信:5G 基站回程、網絡交換機
- 樓宇自動化:HVAC 控制器、照明系統
- 汽車:信息娛樂系統、儀表盤通信
- 醫療設備:病人監護、成像系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN75976A1DGG 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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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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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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。
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