SN75ALS197DR TI RS-485 Transceiver | 16-SOIC | 5V, 30Mbps, Half-Duplex

Product Overview

The SN75ALS197DR from Texas Instruments is a differential driver and receiver pair designed for RS-485 and RS-422 communication. It operates from a single 5V supply and supports data rates up to 30 Mbps. The device features half-duplex communication, with a driver output capable of driving up to 32 unit loads. It is housed in a compact 16-SOIC package, making it suitable for space-constrained applications. The SN75ALS197DR is characterized for operation from 0°C to 70°C.

Detailed Technical Specifications

Key Features

• Single 5V supply operation
• High data rate up to 30 Mbps
• Half-duplex RS-485/RS-422 transceiver
• Driver output capable of driving 32 unit loads
• Receiver input impedance: 1/8 unit load (allows up to 256 nodes on bus)
• Thermal shutdown protection
• ESD protection up to ±15 kV (HBM)
• Glitch-free power-up/power-down
• Low power consumption: 30 mW (typical)

Target Applications

The SN75ALS197DR is ideal for industrial automation, building automation, and telecommunications. Specific examples include: 5G base station control interfaces, programmable logic controllers (PLCs), motor drives, HVAC systems, and smart grid equipment. It is also used in data acquisition systems and security camera PTZ control.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN75ALS197DR. 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.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• 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.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN75ALS197DR 是德州儀器（TI）推出的差分驅動器和接收器對，專為 RS-485 和 RS-422 通信設計。它採用單一 5V 電源供電，支持高達 30 Mbps 的數據速率。該器件具有半雙工通信功能，驅動器輸出可驅動多達 32 個單位負載。它採用緊湊的 16-SOIC 封裝，適合空間受限的應用。SN75ALS197DR 的工作溫度範圍為 0°C 至 70°C。

詳細技術參數

核心特性

• 單一 5V 電源供電
• 高數據速率，最高 30 Mbps
• 半雙工 RS-485/RS-422 收發器
• 驅動器輸出可驅動 32 個單位負載
• 接收器輸入阻抗：1/8 單位負載（總線可支持多達 256 個節點）
• 熱關斷保護
• ESD 保護高達 ±15 kV（HBM）
• 無干擾的上電/斷電
• 低功耗：典型值 30 mW

典型應用場景

SN75ALS197DR 適用於工業自動化、樓宇自動化和電信領域。具體應用包括：5G 基站控制接口、可編程邏輯控制器（PLC）、電機驅動器、HVAC 系統和智能電網設備。它還用於數據採集系統和安防攝像機的雲台控制。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN75ALS197DR 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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• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]