ADA4665-2

PRODUCTION

16 V, 1 MHz, CMOS RRIO, Dual Op Amp

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • Lower power at high voltage: 290 μA per amplifier typical
  • Low input bias current: 1 pA maximum
  • Wide bandwidth: 1.2 MHz typical
  • Slew rate: 1 V/μs typical 
  • Offset voltage drift: 3 μV/°C typical
  • Single-supply operation: 5 V to 16 V
  • Dual-supply operation: ±2.5 V to ±8 V
  • Unity gain stable 

The ADA4665-2 is a rail-to-rail input/output dual amplifier optimized for lower power budget designs. The ADA4665-2 offers a low supply current of 400 μA maximum per amplifier at 25°C and 600 μA maximum per amplifier over the extended industrial temperature range. This feature makes the ADA4665-2 well suited for low power applications. In addition, the ADA4665-2 has a very low bias current of 1 pA maximum, low offset voltage drift of 3 μV/°C, and bandwidth of 1.2 MHz. The combination of these features, together with a wide supply voltage range from 5 V to 16 V, allows the device to be used in a wide variety of other applications, including process control, instrumentation equipment, buffering, and sensor front ends. Furthermore, its rail-to-rail input and output swing adds to its versatility. The ADA4665-2 is specified from −40°C to +125°C and is available in standard SOIC and MSOP packages.

APPLICATIONS

  • Portable systems
  • High density power budget systems
  • Medical equipment
  • Physiological measurement
  • Precision references
  • Multipole filters
  • Sensors
  • Transimpedance amplifiers
  • Buffer/level shifting 
ADA4665-2
16 V, 1 MHz, CMOS RRIO, Dual Op Amp
ADA4665-2 Pin Configuration
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Documentation

Data Sheet 2

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • ADA4665

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Open Tool

Signal Chain Designer

Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

SPICE Model 1

LTspice

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.

Evaluation Kits

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EVAL-OPAMP-2

EVAL-OPAMP-2 Evaluation Board

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Product Details

The universal precision op amp evaluation boards have been designed and optimized for many circuit configurations allowing the users to best suit their applications. These boards are all RoHs compliant. See references below on what board to order by lead count and package.

  • EVAL-PRAOPAMP-2CPZ (dual 8-lead LFCSP) CP-8
  • EVAL-PRAOPAMP-2RMZ (dual 8-lead MSOP) RM-8
  • EVAL-PRAOPAMP-2RZ (dual 8-lead SOIC) R-8
EVAL-OPAMP-2
EVAL-OPAMP-2 Evaluation Board
EVAL-OPAMP-2 EVAL-OPAMP-2 EVAL-OPAMP-2

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