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Name: AD736JRZ
Brand: Analog Devices Inc.
SKU: AD736JRZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. AD736JRZ

Part No.:: AD736JRZ

Manufacturer:: Analog Devices Inc.

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: AD736JRZ.pdf

Description:: IC RMS TO DC CONVERTER 8SOIC

In Stock:: 2941

Quantity:: Add To Cart

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AD736JRZ Specifications

Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
Current-Supply:
160 µA
Voltage-Supply:
2.8V, -3.2V ~ ±16.5V
MountingType:
Surface Mount

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AD736JRZ information

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AD736JRZ Typical application Circuitry

AD736JRZ

The AD736JRZ is a low-power, precision, monolithic true RMS-to-DC converter. It is capable of computing the true root-mean-square level of complex waveforms, with a waveform independent of crest factor up to 4. Its design allows easy use in a wide range of applications, including battery-operated equipment, due to its low power requirements. The AD736JRZ can accept input levels ranging from a few millivolts up to 200 mV rms full scale, or higher levels by using external attenuators.

Application Scenarios

The AD736JRZ is commonly used in:

- Precision instrumentation

- Power measurement in communication systems

- Audio signal processing for RMS measurement

- Process control systems

Parameter Features

Key features of the AD736JRZ include:

- True RMS-to-DC conversion

- Wide bandwidth: Handles signals up to 200 kHz

- Low power: Ideal for battery-powered and portable applications

- Single or dual supply operation: From +2.8 V to ±5.5 V

- High accuracy and temperature stability

Example Application Scenario: Audio Signal Processing for RMS Measurement

Here's a detailed design incorporating the AD736JRZ into an audio signal processing system for accurate RMS measurement:

Power Supply Connection

Firstly, connect a single +5V supply to the V+ pin (pin 8) of the AD736JRZ, and ground to the V- pin (pin 5). For applications requiring dual supplies, a ±5V supply can be used, enhancing the input signal range.

Input Signal Connection

Secondly, apply the audio signal to be measured to the INPUT pin (pin 6). For signals exceeding 200 mV rms, use an external attenuator or resistor divider network to scale the input within the acceptable range of the AD736JRZ.

Output Capacitor and Settling Time

Thirdly, connect an output capacitor (nominally 1 µF) between the OUTPUT pin (pin 2) and ground. This capacitor determines the low-pass filter's time constant and settling time, affecting the converter's response time to input signal changes.

Average Mode Configuration

Fourthly, for applications not requiring true RMS measurement, configure the AD736JRZ for average response by connecting a capacitor (nominally 100 pF) from the AVGS pin (pin 1) to ground. This mode is useful for signals with a known and consistent waveform, reducing power consumption and response time.

Supply Bypass Capacitor

Lastly, place a bypass capacitor (nominally 0.1 µF) close to the V+ pin (pin 8) and ground to minimize noise on the supply line, ensuring stable operation of the AD736JRZ.

Design Considerations

When designing circuits with the AD736JRZ, several key factors must be considered:

- Input Signal Conditioning: Ensure the input signal is within the acceptable voltage range of the AD736JRZ. Use attenuation or amplification as necessary.

- Power Supply Quality: A clean, stable power supply is crucial for accurate RMS conversion. Implement filtering and decoupling strategies to minimize supply noise.

- Output Filtering: Choose the output capacitor value based on the desired response time and bandwidth. A larger capacitor will average the output over a longer period, reducing noise but increasing response time.

- Thermal Management: Although the AD736JRZ typically operates at low power levels, consider thermal aspects in tightly packed or high-temperature environments.

Incorporating the AD736JRZ in an audio signal processing circuit for RMS measurement enables precise monitoring and analysis of audio signals, crucial for high-fidelity sound systems and audio equipment testing.

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6. What is the process for return or replacement of AD736JRZ?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD736JRZ we delivered, we will accept the replacement or return of the AD736JRZ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AD736JRZ.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations