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Converters / Analog Special Function Converters / AD637AR
Datasheets
AD637AR by: Analog Devices Inc

High Precision, Wideband RMS-to-DC Converter

Part Details for AD637AR by Analog Devices Inc

Results Overview of AD637AR by Analog Devices Inc

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Automotive

AD637AR Information

AD637AR by Analog Devices Inc is an Analog Special Function Converter.
Analog Special Function Converters are under the broader part category of Converters.

A converter is an electrical circuit that transforms electric energy into a different form that will support a elecrical load needed by a device. Read more about Converters on our Converters part category page.

Price & Stock for AD637AR

Part # Distributor Description Stock Price Buy
Quest Components IC,RMS-TO-DC CONVERTER,SOP,16PIN 1
  • 1 $35.8000
$35.8000 Buy Now
ComSIT USA HIGH PRECISION, WIDE-BAND RMS-TO-DC CONVERTER RMS to DC Converter, 1 Func, 0.15MHz, PDSO16 RoHS: Not Compliant ECCN: EAR99 Stock DE - 34
Stock ES - 0
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ

Part Details for AD637AR

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AD637AR Part Data Attributes

Parametric Data
AD637AR Analog Devices Inc
Buy Now Datasheet
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AD637AR Analog Devices Inc High Precision, Wideband RMS-to-DC Converter
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Pbfree Code No
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ANALOG DEVICES INC
Part Package Code SOIC
Package Description SOIC-16
Pin Count 16
Manufacturer Package Code RW-16
Reach Compliance Code not_compliant
HTS Code 8542.39.00.01
Samacsys Manufacturer Analog Devices
Converter Type RMS TO DC CONVERTER
JESD-30 Code R-PDSO-G16
JESD-609 Code e0
Length 10.3 mm
Linearity Error-Max (EL) 0.05%
Moisture Sensitivity Level 1
Negative Supply Voltage-Max -18 V
Negative Supply Voltage-Min -3 V
Negative Supply Voltage-Nom -15 V
Number of Functions 1
Number of Terminals 16
Operating Frequency-Max 0.15 MHz
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 240
Positive Input Voltage-Max 7 V
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Current-Max 3 mA
Supply Voltage-Max 18 V
Supply Voltage-Min 3 V
Supply Voltage-Nom 15 V
Surface Mount YES
Temperature Grade INDUSTRIAL
Terminal Finish TIN LEAD
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Total Error-Max 0.6%
Width 7.5 mm

Alternate Parts for AD637AR

This table gives cross-reference parts and alternative options found for AD637AR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of AD637AR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
AD637JRZ-RL Analog Devices Inc $22.0686 High Precision, Wideband RMS-to-DC Converter AD637AR vs AD637JRZ-RL
Part Number Manufacturer Composite Price Description Compare
BA6301F-E1 ROHM Semiconductor Check for Price Voltage to Frequency Converter, 1 Func, PDSO16, SOP-16 AD637AR vs BA6301F-E1
BA6301FT1 ROHM Semiconductor Check for Price VOLTAGE-FREQUENCY CONVERTER, PDSO16, SOP-16 AD637AR vs BA6301FT1
MX636JCWE+ Maxim Integrated Products Check for Price RMS to DC Converter, 1 Func, 0.1MHz, Bipolar, PDSO16, SOP-16 AD637AR vs MX636JCWE+
BA6303F-E1 ROHM Semiconductor Check for Price Voltage to Frequency Converter, 1 Func, PDSO16, SOP-16 AD637AR vs BA6303F-E1
AD652SQ Analog Devices Inc Check for Price Monolithic Synchronous Voltage-to-Frequency Converter AD637AR vs AD652SQ
BA6303F-T2 ROHM Semiconductor Check for Price Voltage to Frequency Converter, 1 Func, PDSO16, SOP-16 AD637AR vs BA6303F-T2
AD651AQ Analog Devices Inc Check for Price IC VOLTAGE-FREQUENCY CONVERTER, 4 MHz, CDIP16, CERDIP-16, Analog Special Function Converter AD637AR vs AD651AQ
5962-9322201VEA Analog Devices Inc Check for Price Aerospace Monolithic Synchronous Voltage-to-Frequency Converter AD637AR vs 5962-9322201VEA
AD7742BR-REEL7 Analog Devices Inc Check for Price IC VOLTAGE-FREQUENCY CONVERTER, 6.144 MHz, PDSO16, 0.150 INCH, SOIC-16, Analog Special Function Converter AD637AR vs AD7742BR-REEL7
MX636KCWE-T Maxim Integrated Products Check for Price RMS to DC Converter, 1 Func, 0.1MHz, Bipolar, PDSO16, SOP-16 AD637AR vs MX636KCWE-T

AD637AR Related Parts

AD637AR Frequently Asked Questions (FAQ)

  • A good layout and grounding technique is crucial for the AD637AR. It is recommended to use a multi-layer PCB with a solid ground plane, and to keep the input and output traces separate. The AD637AR should be placed close to the input signal source, and the input traces should be shielded to minimize noise pickup. Additionally, a low-impedance ground connection is essential to ensure accurate measurements.

  • The AD637AR requires calibration to achieve the highest accuracy. The calibration process involves adjusting the zero-scale and full-scale outputs to match the input signal range. The calibration procedure is typically done using a precision voltage source and a digital multimeter. The AD637AR datasheet provides a detailed calibration procedure, and it is recommended to follow it carefully to achieve the best results.

  • The AD637AR's accuracy is affected by temperature changes. The device has a temperature coefficient of ±50 ppm/°C, which means that the output voltage will change by ±50 ppm for every 1°C change in temperature. To compensate for temperature effects, it is recommended to use a temperature sensor and a microcontroller to adjust the output voltage accordingly. Additionally, the AD637AR can be calibrated at different temperatures to minimize the temperature effects.

  • Yes, the AD637AR can be used with a single-supply voltage. However, it requires a voltage divider network to generate the required dual-supply voltages. The voltage divider network should be designed to provide a stable and noise-free voltage supply to the AD637AR. Additionally, the input signal should be level-shifted to match the single-supply voltage range.

  • The AD637AR is a sensitive device and requires protection from overvoltage and overcurrent conditions. It is recommended to use voltage clamping diodes and current-limiting resistors to protect the device from overvoltage and overcurrent conditions. Additionally, a fuse or a current-limiting circuit can be used to protect the device from excessive current.