LPV542

現行

雙路、5.5-V、8-kHz、超低靜態電流 (480-nA)、1.6-V 最小供應電壓、RRIO 運算放大器

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同,但引腳輸出與所比較的裝置不同
TLV8542 現行 雙路、3.6-V、8-kHz、超低靜態電流 (500-nA)、RRIO 運算放大器 Lower supply range (1.7 V to 3.6 V), higher power (.0005 mA)

產品詳細資料

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.6 Rail-to-rail In, Out GBW (typ) (MHz) 0.008 Slew rate (typ) (V/µs) 0.0037 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.00048 Vn at 1 kHz (typ) (nV√Hz) 250 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Features EMI Hardened CMRR (typ) (dB) 101 Iout (typ) (A) 0.03 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 0.00085 Input common mode headroom (to positive supply) (typ) (V) 0.00048 Output swing headroom (to negative supply) (typ) (V) 0.002 Output swing headroom (to positive supply) (typ) (V) -0.003
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.6 Rail-to-rail In, Out GBW (typ) (MHz) 0.008 Slew rate (typ) (V/µs) 0.0037 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.00048 Vn at 1 kHz (typ) (nV√Hz) 250 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Features EMI Hardened CMRR (typ) (dB) 101 Iout (typ) (A) 0.03 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 0.00085 Input common mode headroom (to positive supply) (typ) (V) 0.00048 Output swing headroom (to negative supply) (typ) (V) 0.002 Output swing headroom (to positive supply) (typ) (V) -0.003
VSSOP (DGK) 8 14.7 mm² 3 x 4.9 X1SON (DNX) 8 9 mm² 3 x 3
  • 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
  • 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.

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.

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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

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