LMC6492

AKTIV

Zweifach-Operationsverstärker, 15,5 V, 1,5 MHz

Eine neuere Version dieses Produkts ist verfügbar

Drop-In-Ersatz mit verbesserter Funktionalität im Gegensatz zum verglichenen Baustein
TLV9102 AKTIV Energieeffizienter Zweifach-Operationsverstärker, 16 V, 1,1 MHz Wider supply range (2.7 V to 16 V), faster slew rate (4.5 V/us), lower offset voltage (1.5 mV), lower power (0.12 mA), lower noise (30 nV/√Hz)

Produktdetails

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 15.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Rail-to-rail In, Out GBW (typ) (MHz) 1.5 Slew rate (typ) (V/µs) 1.3 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.5 Vn at 1 kHz (typ) (nV√Hz) 37 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 1.5 CMRR (typ) (dB) 82 Iout (typ) (A) 0.022 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) 0.3 Output swing headroom (to negative supply) (typ) (V) 0.1 Output swing headroom (to positive supply) (typ) (V) -0.1
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 15.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Rail-to-rail In, Out GBW (typ) (MHz) 1.5 Slew rate (typ) (V/µs) 1.3 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.5 Vn at 1 kHz (typ) (nV√Hz) 37 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 1.5 CMRR (typ) (dB) 82 Iout (typ) (A) 0.022 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) 0.3 Output swing headroom (to negative supply) (typ) (V) 0.1 Output swing headroom (to positive supply) (typ) (V) -0.1
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Rail-to-rail input common-mode voltage range, specified over temperature
  • Rail-to-rail output swing within 100mV of supply rail, 2kΩ load
  • Can operate on standard 5V and 15V supplies
  • Excellent CMRR and PSRR: 82dB
  • Ultra-low input current: 150fA
  • Low supply current (at VS = 5V): 500µA/amplifier
  • Low offset voltage drift: 1.0µV/°C
  • Rail-to-rail input common-mode voltage range, specified over temperature
  • Rail-to-rail output swing within 100mV of supply rail, 2kΩ load
  • Can operate on standard 5V and 15V supplies
  • Excellent CMRR and PSRR: 82dB
  • Ultra-low input current: 150fA
  • Low supply current (at VS = 5V): 500µA/amplifier
  • Low offset voltage drift: 1.0µV/°C

The LMC6492 and LMC6494 (LMC649x) amplifiers were specifically developed for single-supply applications that operate from −40°C to +125°C. This feature is an excellent choice for automotive systems because of the wide temperature range. A unique design topology enables the LMC649x common-mode voltage range to accommodate input signals beyond the rails. This eliminates non-linear output errors due to input signals exceeding a traditionally limited common-mode voltage range. The LMC649x signal range has a high CMRR of 82dB for excellent accuracy in noninverting circuit configurations.

The LMC649x rail-to-rail input is complemented by rail-to-rail output swing. This configuration provides maximum dynamic signal range and is particularly important in 5V systems.

An ultra-low input current of 150fA and a 120dB open-loop gain provide high accuracy and direct interfacing with high-impedance sources.

The LMC6492 and LMC6494 (LMC649x) amplifiers were specifically developed for single-supply applications that operate from −40°C to +125°C. This feature is an excellent choice for automotive systems because of the wide temperature range. A unique design topology enables the LMC649x common-mode voltage range to accommodate input signals beyond the rails. This eliminates non-linear output errors due to input signals exceeding a traditionally limited common-mode voltage range. The LMC649x signal range has a high CMRR of 82dB for excellent accuracy in noninverting circuit configurations.

The LMC649x rail-to-rail input is complemented by rail-to-rail output swing. This configuration provides maximum dynamic signal range and is particularly important in 5V systems.

An ultra-low input current of 150fA and a 120dB open-loop gain provide high accuracy and direct interfacing with high-impedance sources.

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Typ Titel Datum
* Data sheet LMC649x Dual and Quad, CMOS, Rail-to-Rail Input/Output Operational Amplifiers datasheet (Rev. F) PDF | HTML 29 Feb 2024
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mär 2017
Application note AN-1515 A Comprehensive Study of the Howland Current Pump (Rev. A) 26 Apr 2013
Application note Effect of Heavy Loads on Accuracy and Linearity of Op Amp Circuits (Rev. B) 22 Apr 2013

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