Analog Devices ADA4505-2ACBZ-R7 Operational Amplifiers

Analog Devices ADA4505-2ACBZ-R7 +BOM

The Analog Devices ADA4505-2ACBZ-R7 is a dual-channel, micropower operational amplifier. It features low supply current (max 10 μA per channel), wide supply voltage range (1.8V - 5V single or ±0.9V - ±2.5V dual). With rail-to-rail input and output, high PSRR (min 100 dB) and CMRR (typ 105 dB), it offers excellent signal integrity. Ideal for battery-powered and low-voltage applications requiring precision and low power consumption.

Analog Devices ADA4505-2ACBZ-R7's Features

The Analog Devices ADA4505-2ACBZ-R7 is a dual - channel amplifier packed with features that make it well - suited for a variety of applications. It has an outstanding power supply rejection ratio (PSRR) of at least 100 dB, which effectively minimizes the impact of power supply voltage fluctuations on the amplifier's performance. The common - mode rejection ratio (CMRR) is typically 105 dB, enabling it to reject common - mode signals with great efficiency. The supply current per amplifier is a mere 10 μA at most, making it an energy - efficient option, especially for battery - powered devices. It can operate across a wide voltage range, accepting single - supply voltages from 1.8 V to 5 V or dual - supply voltages from ±0.9 V to ±2.5 V. The rail - to - rail input and output characteristic is another highlight. This allows the amplifier to utilize the entire supply voltage range, maximizing the dynamic range of the input and output signals. With a maximum offset voltage of 3 mV and a typical input bias current of 0.5 pA, the ADA4505 - 2ACBZ - R7 ensures high - precision signal processing, reducing errors in various applications.

Analog Devices ADA4505-2ACBZ-R7's Applications

The Analog Devices ADA4505-2ACBZ-R7 is a versatile amplifier with diverse applications. In the medical field, it's crucial for devices like pulse oximeters. In a pulse oximeter circuit, it buffers the voltage reference for driving red and infrared LEDs. This helps in accurately measuring oxygen saturation and pulse rate. Its low supply current and high PSRR ensure stable operation, minimizing battery power consumption and errors caused by power supply variations. For glucose monitors, the ADA4505-2ACBZ-R7 is an excellent choice. Glucose signal currents are small, and the device's low input bias current of 0.5 pA typical prevents signal interference. Additionally, its low voltage noise (2.95 μV p - p from 0.1 Hz to 10 Hz) and 50 kHz gain - bandwidth product make it suitable for filtering out extraneous noise in a four - pole Butterworth filter design. It also finds use in remote security systems and hazard detectors. In these applications, its ability to operate on low - voltage supplies and handle rail - to - rail input/output signals allows for reliable performance in detecting threats such as smoke, fire, or gas while consuming minimal power.

Analog Devices ADA4505-2ACBZ-R7's Attributes

Analog Devices ADA4505-2ACBZ-R7's Datasheet

Analog Devices ADA4505-2ACBZ-R7's Category- Operational Amplifiers

Operational amplifiers, commonly known as op - amps, are fundamental building blocks in the realm of electronics. These versatile integrated circuits are designed to amplify electrical signals and perform various mathematical operations such as addition, subtraction, integration, and differentiation. At their core, op - amps consist of multiple transistor stages that work together to achieve high voltage gain, high input impedance, and low output impedance. The high input impedance ensures that the op - amp draws minimal current from the input source, preventing any loading effects that could distort the signal. Meanwhile, the low output impedance allows the op - amp to drive loads effectively without significant voltage drops. Op - amps find applications in a vast array of circuits. In signal conditioning, they are used to amplify weak sensor signals, filter out unwanted noise, and convert signals to a more suitable format for further processing. For example, in audio systems, op - amps are employed to amplify audio signals from microphones or other sources, ensuring clear and loud sound reproduction. They are also crucial in precision measurement circuits. Their ability to accurately amplify small voltage differences makes them ideal for use in instruments such as voltmeters, ammeters, and analog-to-digital converters. In control systems, op - amps are used to implement feedback loops that maintain stability and regulate various parameters.
Among the numerous op - amp models available, the Analog Devices ADA4505 - 2ACBZ - R7 stands out. This dual-channel, micropower op - amp is tailored for applications where power consumption is a critical factor. With a maximum supply current of just 10 μA per amplifier, it is perfect for battery-powered devices like portable medical monitors or remote sensors. Its wide supply voltage range, from 1.8 V to 5 V (single supply) or ±0.9 V to ±2.5 V (dual supply), offers flexibility in different circuit designs. The rail-to-rail input and output capabilities, along with high PSRR (minimum 100 dB) and CMRR (typical 105 dB), ensure accurate signal processing and rejection of unwanted noise, making it a reliable choice for precision applications where space and power efficiency are paramount.

AD8646WARMZ-R7 vs ADA4505-2ACBZ-R7

Hot-selling products of SIC