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Product Overview
The LOG100JP-2 is a precision logarithmic amplifier from Texas Instruments, designed to provide accurate logarithmic conversion of input currents or voltages. Housed in a 14-pin ceramic dual-in-line package (14-CDIP), it offers excellent temperature stability and low offset voltage, making it ideal for applications requiring wide dynamic range signal compression. The device operates over a wide supply voltage range and features a transfer function of VOUT = (1V) × log10(I1/I2) or VOUT = (1V) × log10(V1/V2) with external resistors.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
±5V to ±18V |
| Input Current Range |
1nA to 1mA |
| Transfer Function |
VOUT = 1V × log10(I1/I2) |
| Accuracy (FSO) |
±0.5% |
| Bandwidth |
1MHz |
| Offset Voltage |
±0.5mV |
| Temperature Drift |
±0.005%/°C |
| Package |
14-CDIP |
| Operating Temperature |
-25°C to +85°C |
Key Features
- High accuracy logarithmic conversion with 0.5% FSO
- Wide input dynamic range: 1nA to 1mA
- Low offset voltage and temperature drift
- Single-supply or dual-supply operation
- Hermetic ceramic package for harsh environments
- Industry-standard pinout
Target Applications
- Optical power monitoring in 5G base stations (e.g., Huawei 5G AAU)
- Battery current sensing in electric vehicle dashboards (e.g., Tesla Model 3)
- Medical instrumentation for photoplethysmography (PPG) signal processing
- Industrial process control for pH and conductivity measurement
- Audio compression in professional mixing consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LOG100JP-2. 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.
-
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
LOG100JP-2 是德州儀器生產的高精度對數放大器,採用14引腳陶瓷雙列直插封裝(14-CDIP),可精確將輸入電流或電壓轉換為對數輸出。該器件具有出色的溫度穩定性和低失調電壓,非常適合需要寬動態範圍信號壓縮的應用。其傳遞函數為 VOUT = (1V) × log10(I1/I2) 或通過外部電阻實現 VOUT = (1V) × log10(V1/V2)。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
±5V 至 ±18V |
| 輸入電流範圍 |
1nA 至 1mA |
| 傳遞函數 |
VOUT = 1V × log10(I1/I2) |
| 精度(滿量程) |
±0.5% |
| 帶寬 |
1MHz |
| 失調電壓 |
±0.5mV |
| 溫度漂移 |
±0.005%/°C |
| 封裝 |
14-CDIP |
| 工作溫度 |
-25°C 至 +85°C |
核心特性
- 高精度對數轉換,滿量程精度0.5%
- 寬輸入動態範圍:1nA 至 1mA
- 低失調電壓和溫度漂移
- 支持單電源或雙電源供電
- 密封陶瓷封裝,適用於惡劣環境
- 業界標準引腳排列
典型應用場景
- 5G基站光功率監控(如華為5G AAU)
- 電動汽車儀表盤電池電流檢測(如特斯拉Model 3)
- 醫療儀器中的光電容積脈搏波(PPG)信號處理
- 工業過程控制中的pH值和電導率測量
- 專業調音台中的音頻壓縮
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LOG100JP-2 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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