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Product Overview
The ADS7870EA/1K from Texas Instruments is a complete 12-bit data acquisition system integrating an 8-channel multiplexer, sample-and-hold, and serial interface in a compact 28-SSOP package. It offers a maximum sampling rate of 125 kSPS and operates from a single 2.7V to 5.5V supply, making it ideal for portable and low-power applications. The device includes an internal 2.5V reference and supports both unipolar and bipolar input ranges.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
12 Bits |
| Number of Channels |
8 (Single-Ended) / 4 (Differential) |
| Sampling Rate |
125 kSPS |
| Input Range |
0 to Vref (Unipolar) / ±Vref (Bipolar) |
| Supply Voltage |
2.7V to 5.5V |
| Power Consumption |
2.5 mW (typ) at 3V |
| Interface |
SPI |
| Package |
28-SSOP |
| Operating Temperature |
-40°C to +85°C |
Key Features
- 12-bit SAR ADC with 125 kSPS throughput
- 8-channel multiplexer with configurable inputs
- Internal 2.5V reference (drift 50 ppm/°C)
- Low power: 2.5 mW at 3V, 125 kSPS
- SPI-compatible serial interface
- Auto-scan mode for continuous conversion
- Power-down mode (1 µA max)
- Small 28-SSOP package
Target Applications
- Portable data acquisition systems
- Battery monitoring in 5G base stations
- Automotive dashboard sensors (temperature, pressure)
- Industrial process control
- Medical instrumentation (patient monitors)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
ADS7870EA/1K. 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
ADS7870EA/1K 是德州儀器的一款完整12位數據採集系統,集成了8通道多路復用器、採樣保持電路和串行接口,採用緊湊的28-SSOP封裝。最高採樣率125 kSPS,工作電壓2.7V至5.5V,適合便攜和低功耗應用。器件包含內部2.5V基準,支持單極性和雙極性輸入範圍。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
12 位 |
| 通道數 |
8 (單端) / 4 (差分) |
| 採樣率 |
125 kSPS |
| 輸入範圍 |
0 至 Vref (單極性) / ±Vref (雙極性) |
| 供電電壓 |
2.7V 至 5.5V |
| 功耗 |
2.5 mW (典型值) @ 3V |
| 接口 |
SPI |
| 封裝 |
28-SSOP |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 12位SAR ADC,125 kSPS吞吐率
- 8通道多路復用器,可配置輸入
- 內部2.5V基準(漂移50 ppm/°C)
- 低功耗:3V、125 kSPS時2.5 mW
- SPI兼容串行接口
- 自動掃描模式實現連續轉換
- 掉電模式(最大1 µA)
- 小型28-SSOP封裝
典型應用場景
- 便攜式數據採集系統
- 5G基站中的電池監測
- 汽車儀表板傳感器(溫度、壓力)
- 工業過程控制
- 醫療儀器(病人監護儀)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 ADS7870EA/1K 提供全面的供應鏈與批發解決方案。
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