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Product Overview
The ADS1220IRVAT is a precision, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) from Texas Instruments. It offers two differential or four single-ended inputs, an integrated programmable gain amplifier (PGA), a voltage reference, and an oscillator. The device operates from a 2.3V to 5.5V supply and achieves data rates up to 2 kSPS. It is designed for low-power, high-resolution measurement applications such as temperature sensing, pressure sensing, and industrial process control.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
24 bits |
| Number of Channels |
2 differential / 4 single-ended |
| Data Rate |
Up to 2 kSPS |
| Supply Voltage |
2.3V to 5.5V |
| Power Consumption |
0.3 mW (typical) |
| Integrated PGA |
Gain = 1, 2, 4, 8, 16, 32, 64, 128 |
| Integrated Reference |
2.048V (drift: 10 ppm/°C) |
| Operating Temperature |
-40°C to +125°C |
| Package |
16-VQFN (3.5mm x 3.5mm) |
Key Features
- Low power: 0.3 mW at 2.3V supply
- Integrated PGA with gains up to 128
- Internal voltage reference with low drift
- Internal oscillator (no external clock needed)
- SPI-compatible serial interface
- 50/60 Hz rejection at 20 SPS
- Small package: 3.5mm x 3.5mm VQFN
Target Applications
- Temperature measurement (RTD, thermocouple, thermistor)
- Pressure and strain gauge sensors
- Industrial process control (PLC, DCS modules)
- Portable instrumentation (e.g., handheld multimeters)
- 5G base station power monitoring
- Automotive dashboard sensor interfaces
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
ADS1220IRVAT. 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.
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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
ADS1220IRVAT 是德州儀器(TI)推出的一款精密 24 位 ΔΣ 模數轉換器(ADC)。它支援兩個差分或四個單端輸入,內建可程式設計增益放大器(PGA)、電壓基準和振盪器。該器件可在 2.3V 至 5.5V 電源下工作,最高資料速率達 2 kSPS。專為低功耗、高解析度測量應用而設計,如溫度感測、壓力感測和工業過程控制。
詳細技術參數
| 參數 |
數值 |
| 解析度 |
24 位 |
| 通道數 |
2 差分 / 4 單端 |
| 資料速率 |
最高 2 kSPS |
| 電源電壓 |
2.3V 至 5.5V |
| 功耗 |
0.3 mW(典型值) |
| 內建 PGA |
增益 = 1, 2, 4, 8, 16, 32, 64, 128 |
| 內建基準 |
2.048V(漂移:10 ppm/°C) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
16-VQFN(3.5mm x 3.5mm) |
核心特性
- 低功耗:2.3V 電源下僅 0.3 mW
- 內建 PGA,增益最高 128
- 內建低漂移電壓基準
- 內建振盪器(無需外部時鐘)
- SPI 相容序列介面
- 20 SPS 時 50/60 Hz 抑制
- 小型封裝:3.5mm x 3.5mm VQFN
典型應用場景
- 溫度測量(RTD、熱電偶、熱敏電阻)
- 壓力和應變感測器
- 工業過程控制(PLC、DCS 模組)
- 可攜式儀器(如手持萬用表)
- 5G 基地台電源監控
- 汽車儀錶盤感測器介面
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 ADS1220IRVAT 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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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]