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The ADA4500-2ARMZ is a dual-channel, 10 MHz, 14.5 nV/√Hz, low-power amplifier with rail-to-rail input and output slew rate, capable of operating from a single supply voltage of 2.7 V to 5.5 V, and compatible with industry-standard nominal voltages of +3.0 V, +3.3 V, +5.0 V, and ±2.5 V.

The amplifier employs an innovative zero crossover distortion circuit topology, providing high linearity across the entire rail-to-rail input common-mode range, along with excellent power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) performance, without the crossover distortion typically associated with traditional complementary rail-to-rail input stages. The resulting operational amplifier also offers exceptional accuracy, wide bandwidth, and extremely low bias current.

This combination of features makes the ADA4500-2ARMZ an ideal choice for precision sensor applications, as it minimises errors caused by power supply voltage variations while maintaining high CMRR performance across the entire input voltage range. The ADA4500-2ARMZ is also an excellent amplifier for driving analogue-to-digital converters (ADCs), as its output does not distort under common-mode voltage conditions, allowing the ADC to utilise its full input voltage range and maximise the dynamic range of the conversion subsystem.

Many applications, including sensors, handheld instruments, precision signal conditioning, and patient monitors, can benefit from the ADA4500-2ARMZ's features.

The ADA4500-2ARMZ is rated for an extended industrial temperature range of −40°C to +125°C and is available in an 8-pin MSOP package.

Features — ADA4500-2ARMZ

Rail-to-rail input and output

Power supply rejection ratio (PSRR): 98 dB (minimum)

Common-mode rejection ratio (CMRR): 95 dB (minimum)

Offset voltage: 120 μV (maximum)  

Single-supply operation:  2.7 V to 5.5 V  

Dual-supply operation:  ±1.35 V to ±2.75 V  

Wide bandwidth: 10 MHz  

Low noise

- 2 μV p-p (0.1 Hz to 10 Hz)

- 14.5 nV/√Hz (at 1 kHz)

Low input bias current: 2 pA (maximum)

Applications — ADA4500-2ARMZ

• Pressure and position sensors

• Remote security

• Medical monitors

• Process control

• Hazard detectors

• Photodiode applications

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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