THS2630
- High performance
- Bandwidth: 187MHz (V CC = ±15 V, G = 1 V/V)
- Slew rate: 75 V/µs
- Gain bandwidth product: 245 MHz
- Distortion: –108 dBc THD at 2 V PP, 250 kHz
- Voltage noise
- 1/f voltage noise corner: 85 Hz
- 1.1 nV/√Hz input-referred noise
- Single supply operating range: 5 V to 35 V
- Quiescent current (shutdown): 770 µA (THS2630S)
The THS2630 is one in a family of fully differential-input and differential-output devices fabricated using Texas Instruments state-of-the-art, high voltage, complementary bipolar process.
The THS2630 uses a true fully differential signal path from input to output, and has a high supply capability of up to ±17.5 V. This design leads to excellent common-mode noise rejection (95 dB at 800 kHz) and total harmonic distortion (−108 dBc at 2 V PP, 250 kHz). The wide supply range allows high-voltage differential signal chains to benefit from the improved headroom and dynamic range without adding separate amplifiers for each polarity of the differential signal.
The THS2630 is characterized for operation over the wide temperature range of –40°C to +85°C.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | THS2630 High-Speed, Low-Noise, Fully Differential I/O Amplifier datasheet (Rev. A) | PDF | HTML | 2023/7/27 | ||
| Application brief | Why Use an FDA to Drive an ADC? | PDF | HTML | 2026/1/8 | |||
| Application brief | Active Filter Design for Differential ADCs (Rev. A) | PDF | HTML | 2025/10/8 | |||
| Circuit design | Single-ended input to differential output circuit using a fully-differential amp (Rev. A) | PDF | HTML | 2024/9/25 | |||
| 電子書 | Engineer's Guide to High-Speed Amplifiers | PDF | HTML | 2023/10/18 | |||
| 應用說明 | Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs | 2018/6/14 | ||||
| 類比設計期刊 | Using single-supply fully diff. amps with neg. input voltages to drive ADCs | 2010/11/15 |
設計與開發
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DEM-FDA-DGK-EVM — 採用 DGK (HVSSOP) 封裝且適用於全差分放大器的未組裝評估模組
DEM-FDA-SOIC-EVM — 適用於採用 SOIC 封裝之全差分放大器的評估模組
DEM-FDA-SOIC-EVM 是採用 D (SOIC) 封裝之全差動放大器 (FDA) 的空板評估模組 (EVM)。該 EVM 設計旨在使用 50-Ω SMA 連接器與實驗室設備搭配使用，對高速 FDA 進行快速高效的實驗室測試。電路圖會考量所有必要的連接器以執行實驗室量測，包括電源和訊號連線。EVM 在依照電路圖組裝時會針對單端輸入及單端輸出進行配置，而且 EVM 會調適全差動行為及適當配置。輸出變壓器可實現單端輸出以輕鬆介接測試設備，並且具備外部 SMA 連接器以供輸出共模 (Vocm) 及切斷電源 (PD) 控制使用。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VSSOP (DGK) | 8 | Ultra Librarian |
| HVSSOP (DGN) | 8 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |