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AD8310:  FAST RESPONSE, DC - 440 MHZ, VOLTAGE OUT, 90 DB LOGARITHMIC AMPLIFIER

The AD8310 is an ultra-fast responding, highly versatile logarithmic amplifier in an 8-lead micro-SO package.

It is a complete 400 MHz monolithic demodulating logarithmic amplifier based on the progressive compression (successive compression) technique, providing a dynamic range of 95 dB to ±3 dB law conformance and 90 dB to a tight ±1 dB error bound at frequencies up to 100 MHz.

It ...More

AD8310:  FAST RESPONSE, DC - 440 MHZ, VOLTAGE OUT, 90 DB LOGARITHMIC AMPLIFIER

Product Description

The AD8310 is an ultra-fast responding, highly versatile logarithmic amplifier in an 8-lead micro-SO package.

It is a complete 400 MHz monolithic demodulating logarithmic amplifier based on the progressive compression (successive compression) technique, providing a dynamic range of 95 dB to ±3 dB law conformance and 90 dB to a tight ±1 dB error bound at frequencies up to 100 MHz.

It is extremely stable and easy to use, requiring no significant external components. A single supply voltage of 2.7 V to 5.5 V is required, resulting in a power dissipation of only 24 mW at 3 V.

The AD8310 is an ideal choice for demanding IF signal measurement applications. This log amp makes this task easier through the detection and compression of an IF signal to its decibel (dB) equivalent. The AD8310 has a very rapid 15 ns response time, enabling detection of ASK modulated waveforms to over 10 MHz. Other applications include RSSI, transmit power control and pulse detection.

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  • Multistage Demodulating Logarithmic Amplifier
  • Voltage Output, Rise Time <15 ns
  • High Current Capacity: 25 mA into
    Grounded RL
  • 95 dB Dynamic Range: –91 dBV to +4 dBV
  • Single Supply of 2.7 V Min at 8 mA Typ
  • DC–440 MHz Operation, ±0.4 dB Linearity
  • Slope of +24 mV/dB, Intercept of –108 dBV
  • Highly Stable Scaling over Temperature
  • Fully Differential DC-Coupled Signal Path
  • 100 ns Power-Up Time, 1 mA Sleep Current
  • RF Frequency (MHz): dc to 440
  • Dynamic Range (dB): 100dB
  • Temp Stability (dB): ±1dB
  • Phase Accuracy (deg): ±3Deg
  • Response Time (ns typ): 15ns
  • Voltage Supply (V): 2.7 to 5.5
  • Supply Current : 8mA
  • Limiter Output: No
  • AC Linearity (± dB): 0.4dB
  • Power Consumption (mW): 80mW
  • Package: 8-Lead SOIC

Functional Block Diagram for AD8310

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For detailed drawings and chemical composition please consult our  Package Site

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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.