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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The AD736JRZ is a Low Power True RMS to DC Converter that is laser trimmed to provide a maximum error of ±0.3mV ±0.3% of reading with sine wave inputs. It maintains high accuracy while measuring a wide range of input waveforms, including variable duty-cycle pulses and triac (phase)-controlled sine waves. The small size of this converter make it suitable for upgrading the performance of non-rms precision rectifiers in many applications. Compared to these circuits, the AD736 offers higher accuracy at an equal or lower cost. The precision, monolithic true RMS to DC converter can compute the rms value of both AC and DC input voltages. It can also be operated as an AC-coupled device by adding one external capacitor. In this mode, this converter can resolve input signal levels of 100µV rms or less, despite variations in temperature or supply voltage. High accuracy is also maintained for input waveforms with crest factors of 1 to 3.
Converts an AC voltage waveform to a DC voltage and then converts to the true rms
High input impedance
Low input bias current
High accuracy
RMS conversion with signal crest factors up to 5
Low power
Buffered voltage output
No external trims needed for specified accuracy
ESD sensitive device, take proper precaution while handling the device.

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AD736JRZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	190 kHz
Supply Voltage (DC)	16.5V (max)
Power Rating	200 mW
Output Current	2 mA
Supply Current	160 µA
Number of Positions	8 Position
Input Current	0.2 mA
Power Dissipation	200 mW
Bandwidth	460 kHz
Output Current (Max)	2 mA
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
3dB Bandwidth	190kHz, 460kHz
Power Dissipation (Max)	200 mW
Accuracy	0.3 %
Supply Voltage	2.8 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

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