MAX419

Single, Dual, Quad, 1.2µA Max, Single-Supply Op Amps


Please check latest availability status for a specific part variant.

Description

The MAX406/MAX407/MAX409/MAX417–MAX419 are single, dual, and quad low-voltage, micropower, precision op amps designed for battery-operated systems. They feature a supply current of less than 1.2µA per amplifier that is relatively constant over the entire supply range, which represents a 15 to 20 times improvement over industry-standard micropower op amps. A unique output stage enables these op amps to operate at ultra-low supply current while maintaining linearity under loaded conditions. In addition, the output is capable of sourcing 1.8mA when powered by a 9V battery.

The common-mode input-voltage range extends from the negative rail to within 1.1V of the positive supply (for the singes, 1.2V for the duals and quads), and the output stage swings rail-to-rail. The entire family is designed to maintain good DC characteristics over the operating temperature range, minimizing the input referred errors.

The MAX406 is a single op amp with two modes of operation: compensated mode and decompensated mode. Floating BW (pin 8) or connecting it to V- internally compensates the amplifier. In this mode, the MAX406 is unity-gain stable with a 5V/ms typical slew rate and an 8kHz gain bandwidth. Connecting BW to V+ puts the MAX406 into decompensated mode with a 20V/ms typical slew rate and a 40kHz gain bandwidth (AVCL ≥ 2V/V).

The dual MAX407 and quad MAX418 are internally compensated to be unity-gain stable. The MAX409/MAX417/MAX419 single/dual/quad op amps feature 150kHz typical bandwidth, 75V/ms slew rate, and stability for gains of 10V/V or greater.
MAX406, MAX407, MAX409, MAX417, MAX418, MAX419: Typical Operating Circuit MAX406, MAX407, MAX409, MAX417, MAX418, MAX419: Typical Operating Circuit Enlarge+

Key Features

  • 1.2µA Max Quiescent Current per Amplifier
  • +2.5V to +10V Single-Supply Range
  • 500µV Max Offset Voltage (MAX406A/MAX409A)
  • < 0.1pA Typical Input Bias Current
  • Output Swings Rail-to-Rail
  • Input Voltage Range Includes Negative Rail

Applications/Uses

  • Battery-Powered Systems
  • Cordless Phones
  • Electrometer Amplifiers
  • Glucose Meters
  • GPS Solutions
  • Intrinsically Safe Systems
  • IP Camera
  • Medical Instruments
  • Panel Meters
  • pH Meters
  • Photodiode Pre-Amps
  • Power Meters
  • Programmable Logic Controllers (PLCs)

See parametric specs for Operational Amplifiers (175)


Part NumberAmps.Rail to RailVSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
ICC per Amp.
(µA)
VOS
(µV)
CMRR @DC
(dB)
PSRR @DC
(dB)
Low Input Bias CMOS InputsInput IBIAS
(nA)
Unity Gain BW
(MHz)
Slew Rate
(V/µs)
en
(nV/√Hz)
Package/PinsBudgetary
Price
minmaxtypmaxtyptypmaxtyptyp<See Notes
MAX406 1Output Only2.51015008086Yes0.010.0040.005150
DICE SALES/N
PDIP/8
SOIC (N)/8
$2.73 @1k
MAX407 23000740.0080.005
PDIP/8
SOIC (N)/8
$4.68 @1k
MAX409 1500860.150.08
PDIP/8
SOIC (N)/8
$3.93 @1k
MAX417 23000740.150.08
PDIP/8
SOIC (N)/8
$6.02 @1k

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX419.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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