AD637SQ/883B

Mfr. #:: AD637SQ/883B
Manufacturer:: Analog Devices Inc.
Description:: Power Management Specialized - PMIC RMS/DC CONVERTER IC
Lifecycle:: New from this manufacturer.
Datasheet:: AD637SQ/883B Datasheet
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More Information:: AD637SQ/883B more Information AD637SQ/883B Product Details

Product Attribute
Attribute Value

Manufacturer:: Analog Devices Inc.

Product Category:: Power Management Specialized - PMIC

RoHS:: N

Minimum Operating Temperature:: - 55 C

Maximum Operating Temperature:: + 125 C

Mounting Style:: Through Hole

Package / Case:: CDIP-14

Type:: High Precision

Packaging:: Tube

Product:: RMS to Digital Converter

Series:: AD637

Brand:: Analog Devices

Development Kit:: AD637-EVALZ

Operating Supply Voltage:: 3 V to 18 V

Product Type:: Power Management Specialized - PMIC

Factory Pack Quantity:: 25

Subcategory:: PMIC - Power Management ICs

Tags: AD637SQ, AD637S, AD637, AD63, AD6

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AD637SQ/883B Description

***ical: True RMS to DC Converter 14-Pin CDIP

***i-Key: IC RMS TO DC CONVERTER 14CERDIP

***log Devices: The AD637 is a complete, high accuracy, monolithic rms-to-dc converter that computes the true rms value of any complex waveform. It offers performance that is unprecedented in integrated circuit rms-to-dc converters and comparable to discrete and modular techniques in accuracy, bandwidth, and dynamic range. A crest factor compensation scheme in the AD637 permits measurements of signals with crest factors of up to 10 with less than 1% additional error. The wide band-width of the AD637 permits the measurement of signals up to 600 kHz with inputs of 200 mV rms and up to 8 MHz when the input levels are above 1 V rms. As with previous monolithic rms converters from Analog Devices, Inc., the AD637 has an auxiliary dB output available to users. The logarithm of the rms output signal is brought out to a separate pin, allowing direct dB measurement with a useful range of 60 dB. An externally programmed reference current allows the user to select the 0 dB reference voltage to correspond to any level between 0.1 V and 2.0 V rms. A chip select connection on the AD637 permits the user to decrease the supply current from 2.2 mA to 350 µA during periods when the rms function is not in use. This feature facilitates the addition of precision rms measurement to remote or handheld applications where minimum power consumption is critical. In addition, when the AD637 is powered down, the output goes to a high impedance state. This allows several AD637s to be tied together to form a wideband true rms multiplexer. The input circuitry of the AD637 is protected from overload voltages in excess of the supply levels. The inputs are not damaged by input signals if the supply voltages are lost. The AD637 is available in accuracy Grade J and Grade K for commercial temperature range (0°C to 70°C) applications, accuracy Grade A and Grade B for industrial range (-40°C to +85°C) applications, and accuracy Grade S rated over the -55°C to +125°C temperature range. All versions are available in hermetically sealed, 14-lead SBDIP, 14-lead CERDIP, and 16-lead SOIC_W packages. The AD637 computes the true root mean square, mean square, or absolute value of any complex ac (or ac plus dc) input waveform and gives an equivalent dc output voltage. The true rms value of a waveform is more useful than an average rectified signal because it relates directly to the power of the signal. The rms value of a statistical signal is also related to the standard deviation of the signal. The AD637 is laser wafer trimmed to achieve rated performance without external trimming. The only external component required is a capacitor that sets the averaging time period. The value of this capacitor also determines low frequency accuracy, ripple level, and settling time. The on-chip buffer amplifier can be used either as an input buffer or in an active filter configuration. The filter can be used to reduce the amount of ac ripple, thereby increasing accuracy. Data Sheet, Rev. J, 4/07

Market price

Part #	Mfg.	Description	Stock	Price
AD637SQ/883B DISTI # AD637SQ/883B-ND	Analog Devices Inc	IC RMS/DC CONV PRECISION 14CDIP RoHS: Not compliant Min Qty: 1 Container: Tube	59In Stock	25:$99.3280 1:$107.6600
AD637SQ/883B DISTI # 584-AD637SQ883B	Analog Devices Inc	Power Management Specialized - PMIC RMS/DC CONVERTER IC RoHS: Not compliant	0	1:$106.2700 5:$103.1400 10:$100.0200 25:$96.9000 50:$91.8900
AD637SQ/883B	Analog Devices Inc	RMS to DC Converter, 1 Func, 0.15MHz, CDIP14 RoHS: Not Compliant	31	1000:$117.4100 500:$123.5900 100:$128.6700 25:$134.1900 1:$144.5100

Related products

Image	Part #	Description
	Mfr.#: AD637SD OMO.#: OMO-AD637SD	Power Management Specialized - PMIC RMS/DC CONVERTER IC
	Mfr.#: AD637SQ/883B OMO.#: OMO-AD637SQ-883B	Power Management Specialized - PMIC RMS/DC CONVERTER IC
	Mfr.#: AD637SD/883B OMO.#: OMO-AD637SD-883B-ANALOG-DEVICES-INC-ADI	Data Converter ICs - Various RMS/DC CONVERTER IC
	Mfr.#: AD637SD OMO.#: OMO-AD637SD-ANALOG-DEVICES-INC-ADI	Data Converter ICs - Various RMS/DC CONVERTER IC
	Mfr.#: AD637SD. OMO.#: OMO-AD637SD--1190	New and Original
	Mfr.#: AD637SD/883B(AD637SD) OMO.#: OMO-AD637SD-883B-AD637SD--1190	New and Original
	Mfr.#: AD637SD/883BD OMO.#: OMO-AD637SD-883BD-1190	New and Original
	Mfr.#: AD637SDZ OMO.#: OMO-AD637SDZ-1190	New and Original
	Mfr.#: AD637SQ883B OMO.#: OMO-AD637SQ883B-1190	New and Original
	Mfr.#: AD637SD883B OMO.#: OMO-AD637SD883B-1190	New and Original

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AD637SQ/883B

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes