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Product Overview
The ADS1254E from Texas Instruments is a high-precision, 24-bit, delta-sigma analog-to-digital converter (ADC) with a maximum sampling rate of 20 kSPS. It features an integrated multiplexer, input buffer, and programmable gain amplifier (PGA), making it ideal for demanding measurement applications. The device operates from a single 5V supply and is offered in a compact 20-pin SSOP package.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
24 Bits |
| Sampling Rate (max) |
20 kSPS |
| Number of Input Channels |
4 Differential / 8 Single-Ended |
| Input Type |
Differential, Single-Ended |
| Data Interface |
SPI |
| Configuration |
MUX-PGA-ADC |
| Architecture |
Sigma-Delta |
| Reference Type |
External |
| Voltage - Supply, Analog |
5V |
| Voltage - Supply, Digital |
2.7V ~ 5.25V |
| Features |
PGA, Selectable Input Range |
| Operating Temperature Range |
-40°C ~ +85°C |
| Package / Case |
20-SSOP |
Key Features
- 24-bit resolution with no missing codes
- Programmable gain amplifier (PGA) with gains of 1, 2, 4, 8, 16, 32, 64, and 128
- Low noise: 2.5µVpp at gain = 128
- Integrated input multiplexer for 4 differential or 8 single-ended inputs
- Simple SPI-compatible serial interface
- Self-calibration and system calibration options
- Low power consumption: 4.5mW typical
Target Applications
The ADS1254E is suitable for precision measurement applications such as:
- Industrial process control (e.g., PLC analog input modules)
- Weigh scales and load cell measurement
- Medical instrumentation (e.g., patient monitoring systems)
- Data acquisition systems for 5G base station power monitoring
- Automotive battery management systems (BMS) for electric vehicles
- Portable instrumentation (e.g., digital multimeters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
ADS1254E. 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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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
ADS1254E 是德州儀器 (TI) 推出的一款高精度、24位 Δ-Σ 模數轉換器 (ADC),最高採樣率為 20 kSPS。它集成了多路復用器、輸入緩衝器和可編程增益放大器 (PGA),非常適合要求苛刻的測量應用。該器件採用單一 5V 電源供電,封裝為緊湊的 20 引腳 SSOP。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
24 位 |
| 最大採樣率 |
20 kSPS |
| 輸入通道數 |
4 差分 / 8 單端 |
| 輸入類型 |
差分,單端 |
| 數據接口 |
SPI |
| 配置 |
MUX-PGA-ADC |
| 架構 |
Sigma-Delta |
| 參考類型 |
外部 |
| 模擬電源電壓 |
5V |
| 數字電源電壓 |
2.7V ~ 5.25V |
| 特性 |
PGA,可選輸入範圍 |
| 工作溫度範圍 |
-40°C ~ +85°C |
| 封裝/外殼 |
20-SSOP |
核心特性
- 24 位分辨率,無失碼
- 可編程增益放大器 (PGA),增益為 1、2、4、8、16、32、64、128
- 低噪聲:增益為 128 時為 2.5µVpp
- 集成輸入多路復用器,支持 4 路差分或 8 路單端輸入
- 簡單的 SPI 兼容串行接口
- 自校準和系統校準選項
- 低功耗:典型值 4.5mW
典型應用場景
ADS1254E 適用於精密測量應用,例如:
- 工業過程控制(例如 PLC 模擬輸入模塊)
- 稱重傳感器和稱重測量
- 醫療儀器(例如病人監護系統)
- 5G 基站電源監控的數據採集系統
- 電動汽車的汽車電池管理系統 (BMS)
- 便攜式儀器(例如數字萬用表)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 ADS1254E 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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