AD606JRZ Logarithmic Detectors by Analog Devices

Semiconductors - ICs
> Amplifiers & Comparators
> Logarithmic Amplifiers
Status: Production
Series: AD606
RoHS: Compliant
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The AD606 is a complete, monolithic logarithmic amplifier using a 9-stage 'successive-detection' technique. It provides both logarithmic and limited outputs. The logarithmic output is from a three-pole post-demodulation low-pass filter and provides a loadable output voltage of +0.1 V dc to +4 V dc. The logarithmic scaling is such that the output is +0.5 V for a sinusoidal input of -75 dBm and +3.5 V at an input of +5 dBm; over this range the logarithmic linearity is typically within ±0.4 dB. All scaling parameters are proportional to the supply voltage.The AD606 can operate above and below these limits, with reduced linearity, to provide as much as 90 dB of conversion range. A second low-pass filter automatically nulls the input offset of the first stage down to the submicrovolt level. Adding external capacitors to both filters allows operation at input frequencies as low as a few hertz.The AD606's limiter output provides a hard-limited signal output as a differential current of ±1.2 mA from open-collector outputs. In a typical application, both of these outputs are loaded by 200 Ω resistors to provide a voltage gain of more than 90 dB from the input. Transition times are 1.5 ns, and the phase is stable to within ±3° at 10.7 MHz for signals from -75 dBm to +5 dBm.The logarithmic amplifier operates from a single +5 V supply and typically consumes 65 mW. It is enabled by a CMOS logic level voltage input, with a response time of <5 µs. When disabled, the standby power is reduced to <1 mW within 5 µs.The AD606J is specified for the commercial temperaturerange of 0°C to +70°C and is available in 16-pin plastic DIPs or SOICs. Consult the factory for other packages and temperature ranges. An evaluation board is available for this product and may be ordered using the following product number: AD606-EB.

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Prices starting from US$47.30

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Features

Logarithmic amplifier performance
-75 dBm to +5 dBm dynamic range
<1.5 nV/√Hz input noise
Usable to >50 MHz
37.5 mV/dB voltage output
On-chip low-pass output filter
Limiter performance
±1 dB output flatness over 80 dB range
±3° phase stability at 10.7 MHz over
80 dB range
Adjustable output amplitude
Low power
+5 V single supply operation
65 mW typical power consumption
CMOS-compatible power-down to
325 µW typ
<5 µs enable/disable time

Alternative Descriptions

VARIABLE GAIN AMP IC | Analog Devices
Logarithmic Amplifier, 400Ns, Nsoic | Newark Electronics
LOGARITHMIC AMPLIFIER, 400NS, NSOIC | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD606JRZ?

Additional datasheets, footprints and schematics for AD606JRZ are listed on our Part Details page. You can also find images and similar parts to AD606JRZ on this page.

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What category does AD606JRZ fall under?

The AD606JRZ is listed under Logarithmic Detectors.

Can I view similar or alternative parts?

You can view similar parts to AD606JRZ when available in the Logarithmic Detectors range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the AD606JRZ you can contact the distributor directly for product support, shipping queries etc.

Is the AD606JRZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD606JRZ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, Chip One Stop, element14 and Farnell have stock available or on a lead time for AD606JRZ.

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