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Product Overview
The BUF16821AIPWPR from Texas Instruments is a 16-channel programmable gamma buffer designed for TFT-LCD panel applications. It integrates 16 programmable gamma reference buffers with 10-bit resolution, providing precise voltage levels for LCD column drivers. Housed in a 28-pin HTSSOP package, it operates over a wide supply range of ±2.5V to ±15V, making it suitable for various display sizes and resolutions. The device features an I²C interface for programming, allowing dynamic adjustment of gamma curves to optimize display performance.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
16 |
| Resolution |
10 bits |
| Supply Voltage (VDD-VSS) |
5V to 30V (±2.5V to ±15V) |
| Output Voltage Range |
VSS+0.5V to VDD-0.5V |
| Output Current |
±30 mA (typical) |
| Slew Rate |
2.5 V/µs |
| Interface |
I²C (up to 400 kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
28-HTSSOP (PowerPAD) |
Key Features
- 16 programmable gamma buffers with 10-bit resolution
- Wide supply range: ±2.5V to ±15V
- I²C interface for easy programming
- Low output noise: 10 µVrms typical
- Rail-to-rail output swing
- Short-circuit protection
- Thermal shutdown
- PowerPAD package for enhanced thermal dissipation
Target Applications
- LCD TV and monitor panels (e.g., 4K/8K displays)
- Automotive infotainment displays (e.g., dashboard clusters)
- Industrial touchscreen panels
- Medical imaging displays
- 5G base station control panels
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BUF16821AIPWPR. 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
BUF16821AIPWPR 是德州儀器(TI)推出的16通道可編程伽瑪緩衝器,專為TFT-LCD面板應用設計。它集成了16個10位分辨率的可編程伽瑪參考緩衝器,為LCD列驅動器提供精確的電壓電平。該器件採用28引腳HTSSOP封裝,支持±2.5V至±15V的寬電源範圍,適用於各種尺寸和分辨率的顯示器。通過I²C接口進行編程,可動態調整伽瑪曲線以優化顯示性能。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
16 |
| 分辨率 |
10位 |
| 電源電壓(VDD-VSS) |
5V至30V(±2.5V至±15V) |
| 輸出電壓範圍 |
VSS+0.5V 至 VDD-0.5V |
| 輸出電流 |
±30 mA(典型值) |
| 壓擺率 |
2.5 V/µs |
| 接口 |
I²C(最高400 kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
28-HTSSOP(PowerPAD) |
核心特性
- 16個可編程伽瑪緩衝器,10位分辨率
- 寬電源範圍:±2.5V至±15V
- I²C接口,易於編程
- 低輸出噪聲:典型值10 µVrms
- 軌到軌輸出擺幅
- 短路保護
- 熱關斷
- PowerPAD封裝增強散熱
典型應用場景
- LCD電視和顯示器面板(如4K/8K顯示器)
- 汽車信息娛樂顯示(如儀表盤集群)
- 工業觸摸屏面板
- 醫療成像顯示器
- 5G基站控制面板
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 BUF16821AIPWPR 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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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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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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