MAX40078
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MAX40078

Single/Dual/Quad Ultra-Low Input Bias Current, Low-Noise Amplifiers

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Combination of Low Input Bias Current, Very Low Noise and Tiny Size Makes These Amps Great for Precision Applications

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $1.73
Features
  • Low Input Voltage Noise Density: 4.2nV/ at 30KHz
  • Low Input Current Noise Density: 0.5fA/
  • Low Input Bias Current: 0.3pA (typ)
  • Low Distortion: 0.00035% or -109dB THD+N (1kΩ Load)
  • Single-Supply Operation from +2.7V to +5.5V
  • Input Common-Mode Voltage Range Includes Ground
  • Rail-to-Rail Output Swings with a 1kΩLoad
  • Wide Bandwidth: MAX 40079/MAX40077/MAX40078 (10MHz); MAX40087/MAX40089 (42MHz)
  • Excellent DC Characteristics: VOS ≤ 30µV
  • Single-Channel 6-bump WLP in 1.31mm x 0.73mm with 0.35mm Bump Pitch
  • Dual-Channel 8-bump WLP in 0.96mm x 1.66mm with 0.35mm Bump Pitch
  • Available in Space-Saving 6-WLP, 6-SOT, 8-WLP, and µMAX Packages
Additional Details
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The MAX40079/MAX40087/MAX40077/MAX40089/MAX40078 are wide band, low-noise, low-input bias current operational amplifiers that offer rail-to-rail outputs and single-supply operation from 2.7V to 5.5V. These low-noise amps draw 2.2mA of quiescent supply current per amplifier. This family of amplifiers offers ultra-low distortion (0.0002% THD+N), as well as low input voltage-noise density (4.2nV/√Hz) and low input current-noise density (0.5fA/√Hz). The low input bias current of 0.3pA (typ) and low noise (4.5nV/√Hz), together with the wide bandwidth, provides excellent performance for trans-impedance (TIA) and imaging applications.

These amplifiers have outputs which swing rail-to-rail and their input common-mode voltage range includes ground. The MAX40079/MAX40077/MAX40078 are single/dual/quad respectively in unity-gain stable with a bandwidth of 10MHz. The MAX40087/MAX40089 are single/dual respectively with gain ≥ 5 stable and bandwidth of 42MHz. They operate over the full -40°C to +125°C temperature range.

Single channel op amps are available in 6-bump wafer-level package (WLP) and SOT23 6-pin packages. The dual channel op amps are available in 8-bump WLP and µMAX-8 packages. The quad channel option is available in 14-TSSOP package.

Applications

  • ADC Buffers
  • DAC Output Amplifiers
  • Digital Scales
  • Low-Noise Microphone/Preamplifiers
  • Medical Instrumentation
  • pH Probes and Reference Electrodes
  • Strain Gauges/Sensor Amplifiers
  • Transimpedance Amplifiers
Part Models 2
1ku List Price Starting From $1.73

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX40078AUD+
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MAX40078AUD+T
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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MAX40089EVKIT

Evaluation Kit for the MAX40077/MAX40089

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MAX40089EVKIT

Evaluation Kit for the MAX40077/MAX40089

Evaluation Kit for the MAX40077/MAX40089

Features and Benefits

  • +2.7V to +5.5V Supply Voltage Range Across VDD and VSS
  • 42MHz Gain Bandwidth Product (MAX40089)
  • 10MHz Gain Bandwidth Product (MAX40077)
  • Ultra-Low Distortion (0.0002% with 1kΩ load)
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Detail

The MAX40089 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate both MAX40077 and MAX40089 dual channel op amps.

The MAX40089 EV kit printed circuit board (PCB) comes installed with MAX40089AUT+ in an 8-μMAX package.

The device is a dual-channel, rail-to-rail output op amp offering 10MHz Gain Bandwidth product (MAX40077) and 42MHz Gain Bandwidth product (MAX40089). The EV kit operates from a single 2.7V to 5.5V DC power supply or from ±1.35V to ±2.75V split supply.

Applications

  • ADC Buffers
  • DAC Output Amplifiers
  • Digital Scales
  • Low-Noise Microphone/Preamplifiers
  • Medical Instrumentation
  • pH Probes and Reference Electrodes
  • Strain Gauges/Sensor Amplifiers
  • Transimpedance Amplifiers
Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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