AD8277ARZ-RL

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The AD8277ARZ-RL is a precision integrating, logarithmic amplifier from Analog Devices featuring integrated signal conditioning to simplify system design and limit the number of external components needed. It is a featured device in the Linear - Amplifiers - Instrumentation, OP amps, buffer amps product line.

The AD8277ARZ-RL logarithmic amplifier has a wide array of applications, including pulse oximetry, electrocardiogram (ECG) applications, gas chromatographs and medical instrumentation. The main applications in the area of medical instrumentation include measuring and detecting small changes in pressure, temperature, light, and sound and in accurately measuring heart pulse intervals.

The voltage sensor technology in the AD8277ARZ-RL eliminates the need for a transducer, making the device much easier to use than traditional sensors. It also reduces the need for calibration as the temperature coefficients in the voltage sensor help maintain accuracy and precision over time.

The simplicity and accuracy of the AD8277ARZ-RL logarithmic amplifier is due to its thoughtful design. The amplifier has an integrating amplifier architecture which allows the device to compare an input signal to the output of a built-in reference resistor. This integrates the signal for better linearity and accuracy than traditional logarithmic amplifiers. The amplifier also has an Electronic Noise Cancellation (ENC) feature which reduces frequency-related noise in the system.

The AD8277ARZ-RL logarithmic amplifier has a power-on reset that maintains a user-selectable initial output voltage and a chopper-stabilized amplifier stage to reduce the noise. The output stage ensures high quality performance on low level inputs, even when operated at high gains. Additionally, the amplifier has a wide voltage supply range of 4.5V to 36V and the linear output range covers 12 mV to 11010 mV.

The AD8277ARZ-RL is a precision integrating, logarithmic amplifier with integrated signal conditioning. It is a featured device in the Linear - Amplifiers - Instrumentation, OP amps, buffer amps product line. Its range of applications includes pulse oximetry, ECG applications, and medical instrumentation, and it is designed with a integrating amplifier architecture, ENC feature, and a power-on reset. This device eliminates the need for a transducer and the need for calibration due to its temperature coefficients. The voltage supply range for this device is 4.5V to 36V and the output range covers 12mV to 11010mV.

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