LPV542
- Wide Supply Range: 1.6 V to 5.5 V
- Low Supply Current: 490 nA (typical/channel)
- Good Offset Voltage: 3 mV (maximum/room)
- Good TcVos: 1µV/°C (typical)
- Gain-Bandwidth: 8 kHz (typical)
- Rail-to-Rail Input and Output
- Unity-Gain Stable
- Low Input Bias Current : 1 pA (typ)
- EMI Hardened
- Temperature Range: –40°C to 125°C
- Thin 3 mm × 3 mm × 0.45 mm X1SON package
The LPV542 is an ultra-low-power, dual operational amplifier that provides 8kHz of bandwidth from 490nA of quiescent current making it well suited for battery-powered applications such as health and fitness wearables, building automation, and remote sensing nodes.
Each amplifier has a CMOS input stage with pico-amp bias currents which reduces errors commonly introduced in megaohm feedback resistance topologies such as photodiode and charge sense applications. In addition, the input common-mode range extends to the power supply rails and the output swings to within 3 mV of the rails, maintaining the widest dynamic range possible. Likewise, EMI protection is designed into the LPV542 in order to reduce system sensitivity to unwanted RF signals from mobile phones, WiFi, radio transmitters, and tag readers.
The LPV542 operates on a supply voltage as low as 1.6 V, ensuring continuous superior performance in low battery situations. The device is available in an 8-pad, low-profile, leadless 3 mm × 3 mm × 0.45 mm X1SON package and a standard 8 pin VSSOP.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | LPV542 Dual Nanopower 1.8 V, 490nA, RRIO CMOS Operational Amplifier datasheet (Rev. A) | PDF | HTML | 2015年 11月 25日 |
E-book | The Signal e-book: A compendium of blog posts on op amp design topics | 2017年 3月 28日 | ||
Application note | Precision Voltage Offset: When Does it Matter? (Rev. A) | 2016年 11月 2日 |
設計與開發
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放大器性能開發套件 (PDK) 是一款評估模組 (EVM) 套件,可測試通用運算放大器 (op amp) 參數,並與大多數運算放大器和比較器相容。EVM 套件提供主板和多個插槽式子卡選項,可滿足封裝需求,使工程師能夠快速評估和驗證裝置性能。
AMP-PDK-EVM 套件支援五種最熱門的業界標準封裝,包括:
- D (SOIC-8 和 SOIC-14)
- PW (TSSOP-14)
- DGK (VSSOP-8)
- DBV (SOT23-5 和 SOT23-6)
- DCK (SC70-5 和 SC70-6)
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TINA-TI — 基於 SPICE 的類比模擬程式
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
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VSSOP (DGK) | 8 | Ultra Librarian |
X1SON (DNX) | 8 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點