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Product Overview
The BUF16820AIDAPR from Texas Instruments is a 16-channel programmable gamma buffer and VCOM calibrator designed for TFT-LCD panels. It integrates 16 programmable gamma buffers with 10-bit resolution, a VCOM calibrator, and an I²C interface. Housed in a 32-HTSSOP package, it operates over a wide supply range of ±2.5V to ±18V and offers rail-to-rail output. This device simplifies LCD bias supply design by providing precise gamma correction and VCOM adjustment, reducing external components and board space.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
16 |
| Supply Voltage (VDD-VSS) |
5V to 36V (±2.5V to ±18V) |
| Output Voltage Range |
Rail-to-Rail |
| Resolution (Gamma) |
10-bit |
| VCOM Calibrator |
10-bit DAC, 0.5% accuracy |
| Interface |
I²C (up to 400 kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
32-HTSSOP |
Key Features
- 16 programmable gamma buffers with 10-bit resolution
- Integrated VCOM calibrator with 10-bit DAC
- Rail-to-rail output swing
- Wide supply range: ±2.5V to ±18V
- I²C interface for easy programming
- Low power consumption: 1.5 mA per channel typical
- Thermal shutdown protection
- Available in 32-HTSSOP package
Target Applications
- LCD TV and monitor panels (e.g., 4K/8K displays)
- Automotive infotainment displays (e.g., dashboard clusters, navigation screens)
- Industrial touchscreen panels
- Medical imaging displays
- 5G base station status displays
- Portable gaming consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BUF16820AIDAPR. Our core advantages include:
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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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
BUF16820AIDAPR 是德州儀器 (TI) 推出的 16 通道可編程伽瑪緩衝器和 VCOM 校準器,專為 TFT-LCD 面板設計。它集成了 16 個 10 位分辨率的可編程伽瑪緩衝器、一個 VCOM 校準器和 I²C 接口。採用 32-HTSSOP 封裝,工作電源範圍寬(±2.5V 至 ±18V),提供軌到軌輸出。該器件通過提供精確的伽瑪校正和 VCOM 調整,簡化了 LCD 偏置電源設計,減少了外部元件和電路板空間。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
16 |
| 電源電壓 (VDD-VSS) |
5V 至 36V (±2.5V 至 ±18V) |
| 輸出電壓範圍 |
軌到軌 |
| 分辨率 (伽瑪) |
10 位 |
| VCOM 校準器 |
10 位 DAC,精度 0.5% |
| 接口 |
I²C (最高 400 kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
32-HTSSOP |
核心特性
- 16 個可編程伽瑪緩衝器,10 位分辨率
- 集成 VCOM 校準器,10 位 DAC
- 軌到軌輸出擺幅
- 寬電源範圍:±2.5V 至 ±18V
- I²C 接口,易於編程
- 低功耗:每通道典型 1.5 mA
- 熱關斷保護
- 採用 32-HTSSOP 封裝
典型應用場景
- LCD 電視和顯示器面板(例如 4K/8K 顯示器)
- 汽車信息娛樂顯示器(例如儀表盤集群、導航屏幕)
- 工業觸摸屏面板
- 醫療成像顯示器
- 5G 基站狀態顯示屏
- 便攜式遊戲機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BUF16820AIDAPR 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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