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Product Overview
The DAC2902Y/250 is a high-performance, dual 12-bit digital-to-analog converter (DAC) from Texas Instruments, designed for demanding applications requiring high speed and precision. With a maximum update rate of 125 MSPS, it offers excellent dynamic performance and low power consumption. Housed in a compact 48-pin TQFP (7x7 mm) package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
12 Bits |
| Number of DACs |
2 |
| Settling Time |
30 ns (typical) |
| Output Type |
Current - Unbuffered |
| Differential Output |
Yes |
| Data Interface |
Parallel |
| Reference Type |
External, Internal |
| Voltage - Supply, Analog |
3V ~ 5.5V |
| Voltage - Supply, Digital |
3V ~ 5.5V |
| INL/DNL (LSB) |
±1, ±0.5 |
| SFDR (typ) @ 1 MHz |
70 dBc |
| Operating Temperature |
-40°C ~ 85°C |
| Package / Case |
48-TQFP (7x7 mm) |
Key Features
- Dual 12-bit DAC with 125 MSPS update rate
- Low glitch energy: 5 pV-s
- Excellent SFDR: 70 dBc at 1 MHz output
- Low power: 275 mW at 125 MSPS
- Internal/external reference options
- Power-down mode for reduced consumption
- Pin-compatible with DAC2900 family
Target Applications
- 5G base station transmitters (e.g., for digital predistortion)
- Arbitrary waveform generators (AWG) for test equipment
- Medical imaging ultrasound systems
- Automotive radar and advanced driver-assistance systems (ADAS) dashboard displays
- Software-defined radio (SDR) platforms
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC2902Y/250. 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.
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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
DAC2902Y/250 是德州儀器(TI)推出的一款高性能雙通道12位數字模擬轉換器(DAC),專為需要高速和高精度的應用而設計。最高更新速率達125 MSPS,具有出色的動態性能和低功耗。採用緊湊的48引腳TQFP(7x7 mm)封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
12 位 |
| DAC 通道數 |
2 |
| 建立時間 |
30 ns(典型值) |
| 輸出類型 |
電流 - 未緩衝 |
| 差分輸出 |
是 |
| 數據接口 |
並行 |
| 參考類型 |
外部,內部 |
| 模擬電源電壓 |
3V ~ 5.5V |
| 數字電源電壓 |
3V ~ 5.5V |
| INL/DNL (LSB) |
±1, ±0.5 |
| SFDR(典型值 @ 1 MHz) |
70 dBc |
| 工作溫度 |
-40°C ~ 85°C |
| 封裝/外殼 |
48-TQFP(7x7 mm) |
核心特性
- 雙通道12位DAC,更新速率125 MSPS
- 低毛刺能量:5 pV-s
- 出色的SFDR:1 MHz輸出時為70 dBc
- 低功耗:125 MSPS時為275 mW
- 內部/外部參考選項
- 省電模式以降低功耗
- 與DAC2900系列引腳兼容
典型應用場景
- 5G基站發射機(例如用於數字預失真)
- 任意波形發生器(AWG)用於測試設備
- 醫療超聲成像系統
- 汽車雷達和高級駕駛輔助系統(ADAS)儀表盤顯示
- 軟件定義無線電(SDR)平台
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 DAC2902Y/250 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]