ADA4500-2ARMZ

Core parameters

Features

• Zero-Crossover Distortion Architecture

  • Eliminate the distortion and nonlinearity problems of traditional rail-to-rail amplifiers when the input signal crosses the midpoint.

  • Maintain consistent gain and phase across the entire input range.

• Rail-to-rail input and output (RRIO)

  • Suitable for low-voltage single-supply systems, maximizing signal dynamic range.

• Ultra-low power consumption (60µA/channel)

  • It is particularly suitable for battery-powered and portable device applications.

• High precision and low misalignment

  • With an offset voltage of only 250µV, it ensures the stability of small-signal amplification.

• Low noise and high linearity

  • Extremely low distortion (-120dB), providing excellent performance in audio and measurement signal chains.

• High CMRR and PSRR

  • It effectively suppresses power fluctuations and common-mode interference, improving the purity of system signals.

Typical application scenarios

• Sensor signal conditioning

  • Suitable for pressure sensors, temperature sensors, electrochemical sensors, etc.

• Low-power data acquisition system

  • Used for signal amplification and buffering in the pre-amplifier stage of an ADC.

• Portable medical devices

  • Blood pressure monitors, electrocardiogram devices, and wearable sensors.

• Industrial Measurement and Control and Process Monitoring

  • Precision current/voltage detection and transmitter interface.

• Audio and low distortion amplification

  • Used for preamplifying audio input and buffering audio.

Performance Comparison

Compared to similar low-power amplifiers, the ADA4500-2 balances low power consumption with high-speed response performance , offering wider bandwidth and higher linearity while maintaining low bias .

Manufacturer Profile: Analog Devices (ADI)

Analog Devices is a global leader in analog and mixed-signal ICs. Its amplifier family is renowned for its high precision, low power consumption, and high reliability . The ADA4500 series continues ADI’s innovative capabilities in signal chain processing, employing zero-crossover technology to provide designers with a near- perfectly linear, low-power amplification solution .

Why choose ADA4500-2ARMZ?

● Zero crossover distortion architecture – Improved signal linearity

● Low power consumption (60µA/channel) – Extended battery life

● Low input bias current (1pA) – Suitable for high impedance sources

● High CMRR/PSRR (120dB) – Strong noise immunity

● Rail-to-rail input/output (RRIO) – Suitable for low voltage applications

● Low distortion (–120dB THD) – High-fidelity signal chain design

● Industrial-grade temperature range (–40°C ~ +125°C)

Frequently Asked Questions (FAQ)

Q1: Does the ADA4500-2 have rail-to-rail input?
Yes. The ADA4500-2 supports rail-to-rail input. With rail-to-rail inputs and outputs , it maintains excellent linearity and common-mode range even in low-voltage (minimum 2.7V) single-supply systems, making it ideal for low-power, high-precision applications.

Q2: Can it be used as an audio amplifier or buffer?
Yes. This device features ultra-low total harmonic distortion (THD < -120 dB) , low noise (8 nV/√Hz) , and wide bandwidth (10 MHz gain-bandwidth product) , making it ideal for use as a high-fidelity audio amplifier, signal buffer, or front-end amplifier in high-precision measurement circuits.

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Product Details: Win Source – ADA4500-2ARMZ

Price: Win Source – ADA4500-2ARMZ