Overview
The AD737JRZ-RL is a low power, precision, monolithic true RMS-to-DC converter manufactured by Analog Devices Inc. This component is designed to accurately convert AC signals to DC signals, making it suitable for a wide range of high-frequency applications. The AD737JRZ-RL is part of the AD737 series, which is known for its high accuracy and low power consumption, making it ideal for battery-powered devices and other applications where power efficiency is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | SOIC-8 |
| Supply Current | 160 µA |
| Supply Voltage Range | ±2.5V to ±16.5V |
| Input Resistance (High-Z FET Input) | 1012 Ω |
| Input Resistance (Low-Z Input) | 6.4 to 9.6 kΩ |
| Input Signal Range (Continuous RMS Level) | Up to 1 V rms (depending on supply voltage) |
| Operating Temperature Range | -40°C to +85°C (AD737A grade) |
| Maximum Error | ±0.2 mV ± 0.3% of reading |
| Standby Power Consumption | 125 μW |
Key Features
- True RMS Conversion: The AD737JRZ-RL accurately computes the true RMS value of a signal regardless of waveform, using only one external averaging capacitor.
- Low Power Consumption: It consumes only 160 µA of supply current, making it suitable for battery-powered applications.
- High and Low Impedance Inputs: The component features both high impedance FET inputs and low impedance inputs, allowing for flexibility in signal connection.
- Wide Dynamic Range: The low impedance input accepts RMS voltages up to 0.9 V while operating from the minimum power supply voltage of ±2.5 V.
- High Accuracy: The AD737JRZ-RL has a maximum error of ±0.2 mV ± 0.3% of reading, ensuring high precision in measurements.
Applications
- High-Frequency Measurements: Suitable for applications requiring accurate RMS measurements of high-frequency signals.
- Battery-Powered Devices: Ideal for use in battery-powered devices due to its low power consumption.
- Industrial and Commercial Environments: Operates over a wide temperature range, making it suitable for both industrial and commercial applications.
- Audio and Signal Processing: Can be used in audio and signal processing applications where accurate RMS measurements are critical.
Q & A
- What is the primary function of the AD737JRZ-RL?
The primary function of the AD737JRZ-RL is to convert AC signals to DC signals using true RMS technology.
- What is the power consumption of the AD737JRZ-RL?
The AD737JRZ-RL consumes 160 µA of supply current.
- What are the input options available on the AD737JRZ-RL?
The component features both high impedance FET inputs and low impedance inputs.
- What is the maximum error of the AD737JRZ-RL?
The maximum error is ±0.2 mV ± 0.3% of reading.
- What is the operating temperature range of the AD737JRZ-RL?
The operating temperature range is -40°C to +85°C for the AD737A grade.
- What type of packaging is available for the AD737JRZ-RL?
The component is available in an SOIC-8 package.
- Can the AD737JRZ-RL be used in battery-powered devices?
Yes, it is suitable for battery-powered devices due to its low power consumption.
- How many external components are required for true RMS measurement?
Only one external averaging capacitor is required.
- What is the standby power consumption of the AD737JRZ-RL?
The standby power consumption is 125 μW.
- Can the AD737JRZ-RL handle high-frequency signals?
Yes, it is designed to handle high-frequency signals with high accuracy.
