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Product Overview
The ADS7841ESQDBQRQ1 is a 12-bit, 4-channel successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments, designed for automotive applications. It operates from a single 2.7V to 5.25V supply and features a serial SPI interface. The device is housed in a 16-pin SSOP package and is qualified to AEC-Q100 standards, making it suitable for harsh automotive environments.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
12 bits |
| Number of Input Channels |
4 (single-ended) or 2 (differential) |
| Sampling Rate |
Up to 200 kSPS |
| Supply Voltage |
2.7V to 5.25V |
| Interface |
SPI (Serial Peripheral Interface) |
| Package |
16-SSOP |
| Operating Temperature |
-40°C to +125°C |
| INL (Integral Non-Linearity) |
±1 LSB (max) |
| DNL (Differential Non-Linearity) |
±1 LSB (max) |
| Power Consumption |
2 mW (typical at 3V) |
Key Features
- 12-bit resolution with no missing codes
- 4-channel single-ended or 2-channel differential input
- SPI-compatible serial interface
- Low power: 2 mW at 3V, 200 kSPS
- Auto power-down feature
- Wide supply voltage range: 2.7V to 5.25V
- AEC-Q100 qualified for automotive applications
- Operating temperature range: -40°C to +125°C
Target Applications
- Automotive battery management systems (BMS) for electric vehicles
- Engine control units (ECU) for fuel injection and ignition timing
- Advanced driver-assistance systems (ADAS) like radar and lidar sensors
- Infotainment systems and dashboard displays
- 5G base station power monitoring and control
- Industrial process control and data acquisition
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
ADS7841ESQDBQRQ1. 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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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
ADS7841ESQDBQRQ1 是德州儀器 (TI) 推出的一款 12 位、4 通道逐次逼近寄存器 (SAR) 型模數轉換器 (ADC),專為汽車應用設計。它可在 2.7V 至 5.25V 的單電源下工作,並具有串行 SPI 接口。該器件採用 16 引腳 SSOP 封裝,符合 AEC-Q100 標準,適用於惡劣的汽車環境。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
12 位 |
| 輸入通道數 |
4 (單端) 或 2 (差分) |
| 採樣率 |
最高 200 kSPS |
| 電源電壓 |
2.7V 至 5.25V |
| 接口 |
SPI (串行外設接口) |
| 封裝 |
16-SSOP |
| 工作溫度 |
-40°C 至 +125°C |
| 積分非線性 (INL) |
±1 LSB (最大值) |
| 差分非線性 (DNL) |
±1 LSB (最大值) |
| 功耗 |
2 mW (典型值,3V 時) |
核心特性
- 12 位分辨率,無漏碼
- 4 通道單端或 2 通道差分輸入
- SPI 兼容串行接口
- 低功耗:3V、200 kSPS 時僅 2 mW
- 自動關斷功能
- 寬電源電壓範圍:2.7V 至 5.25V
- 符合 AEC-Q100 汽車應用標準
- 工作溫度範圍:-40°C 至 +125°C
典型應用場景
- 電動汽車電池管理系統 (BMS)
- 發動機控制單元 (ECU),用於燃油噴射和點火正時
- 高級駕駛輔助系統 (ADAS),如雷達和激光雷達傳感器
- 信息娛樂系統和儀表盤顯示
- 5G 基站電源監控與控制
- 工業過程控制和數據採集
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