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Micropower, SOT23, Rail-to-Rail, Fixed-Gain GainAmp/Open-Loop Op Amps

Fixed-Gain Amplifiers Increase Accuracy and Save Space

Product Details

Key Features

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.23
Input IBIAS (nA) (max) 0.2
VOS (µV) (max) 3500
VSUPPLY (Total) (V) (min) 2.5
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 2
Rail to Rail Output Only
Package/Pins UMAX/8
Budgetary
Price (See Notes)
1.99
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Simplified Block Diagram

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Parameters

Parametric specs for Operational Amplifiers
Unity Gain BW (MHz) (typ) 0.23
Input IBIAS (nA) (max) 0.2
VOS (µV) (max) 3500
VSUPPLY (Total) (V) (min) 2.5
VSUPPLY (Total) (V) (max) 5.5
# Amplifiers 2
Rail to Rail Output Only
Package/Pins UMAX/8
Budgetary
Price (See Notes)
1.99

Key Features

  • Internal Gain-Setting Resistors in SOT23 Packages (MAX4074/MAX4076)
  • 0.1% Gain Accuracy (RF/RG) (MAX4074/MAX4075)
  • 54 Standard Gains Available (MAX4074/MAX4075)
  • Open-Loop, Unity-Gain-Stable Op Amps (MAX4076/MAX4077/MAX4078)
  • Rail-to-Rail Outputs Drive 1kΩ Load
  • +2.5V to +5.5V Single Supply
  • 34µA Supply Current
  • Up to 4MHz GBW Product
  • Fault-Protected Inputs Withstand ±17V
  • 200pA (max) Input Bias Current
  • Stable with Capacitive Loads up to 100pF with No Isolation Resistor

Applications/Uses

  • Cellular Handsets
  • Cordless Phones
  • Digital Cameras (DIGICAMs)
  • Glucose Meters
  • GPS Solutions
  • Infrared Receivers for Remote Controls
  • Instruments, Terminals, and Bar-Code Readers
  • IP Camera
  • Keyless Entry
  • Low-Side Current-Sense Amplifiers
  • MP3 and Portable Media Players
  • Photodiode Preamps
  • Portable Battery-Powered Equipment
  • Smart-Card Readers

Description

The MAX4074–MAX4078 GainAmp™ op amp family combines low-cost rail-to-rail op amps with precision internal gain-setting resistors. Factory-trimmed on-chip resistors decrease design size, cost, and layout, and provide 0.1% gain accuracy. Fixed inverting gains from -0.25V/V to -100V/V or noninverting gains from +1.25V/V to +101V/V are available. These devices operate from a single +2.5V to +5.5V supply and consume just 34µA. GainAmp amplifiers are optimally compensated for each gain version, achieving gain bandwidth (GBW) products up to 4MHz (AV = +25V/V to +101V/V). High-voltage fault protection withstands ±17V at either input without damage or excessive current draw (MAX4074/MAX4075 only).

Two versions are available in this amplifier family. The MAX4076/MAX4077/MAX4078 are single/dual/quad open-loop, unity-gain-stable op amps, and the MAX4074/MAX4075 are single/dual fixed-gain op amps. The input common-mode voltage range of the open-loop amplifiers extends from 150mV below the negative supply to within 1.2V of the positive supply. The outputs can swing rail-to-rail and drive a 1kΩ load while maintaining excellent DC accuracy (MAX4074/MAX4075 only). The amplifiers are stable for capacitive loads up to 100pF.

For space-critical operations, the MAX4074/MAX4076 are available in space-saving SOT23-5 packages.

Simplified Block Diagram

MAX4074, MAX4075, MAX4076, MAX4077, MAX4078: Typical Operating Circuit MAX4074, MAX4075, MAX4076, MAX4077, MAX4078: Typical Operating Circuit Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.