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MFG:ADI D/C:09
Part Number: AD606
MFG: ADI
D/C: 09
Description: The AD606 is a complete, monolithic logarithmic amplifier using a 9-stage "successive-detection" technique. It provides...
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AD606
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DataSheet
General Description
AD606 General Description
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 W 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 ms. When disabled, the standby power is reduced to <1 mW within 5 ms.
AD606 Maximum Ratings
Supply Voltage VPOS . . . . . . . . . . . . . . . . . . . . . . . . . . . .+9 V
Internal Power Dissipation2 . . . . . . . . . . . . . . . . . . . 600 mW
Operating Temperature Range . . . . . . . . . . . . . 0°C to +70°C
Storage Temperature Range . . . . . . . . . . . .65°C to +150°C
Lead Temperature Range (Soldering 60 sec) . . . . . . . +300°C
Internal Power Dissipation2 . . . . . . . . . . . . . . . . . . . 600 mW
Operating Temperature Range . . . . . . . . . . . . . 0°C to +70°C
Storage Temperature Range . . . . . . . . . . . .65°C to +150°C
Lead Temperature Range (Soldering 60 sec) . . . . . . . +300°C
AD606 Features
Limiter Performance
61 dB Output Flatness over 80 dB Range
638 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 mW typ
<5 ms Enable/Disable Time
61 dB Output Flatness over 80 dB Range
638 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 mW typ
<5 ms Enable/Disable Time
AD606 Typical Application
Ultrasound and Sonar Processing
Phase-Stable Limiting Amplifier to 100 MHz
Received Signal Strength Indicator (RSSI)
Wide Range Signal and Power Measurement
Phase-Stable Limiting Amplifier to 100 MHz
Received Signal Strength Indicator (RSSI)
Wide Range Signal and Power Measurement
AD606 Connection Diagram
AD606
PDF/DataSheet Download
- Datasheet: AD606
- File Size: 459675 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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