Integrated Circuits (ICs) > Linear ICs > Amplifiers - Op Amps, Buffer, Instrumentation > AD8307AR-REEL

AD8307AR-REEL

Analog Devices

Part Number:	AD8307AR-REEL
Manufacturer:	Analog Devices
Part Type:	Integrated Circuits (ICs) > Linear ICs > Amplifiers - Op Amps, Buffer, Instrumentation > AD8307AR-REEL
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Description:	SP Amp LOG Amp Single R-R O/P 5.5V 8-Pin SOIC N T/R

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SP Amp LOG Amp Single R-R O/P 5.5V 8-Pin SOIC N T/R

Specifications

TYPE	DESCRIPTION
Case/Package	R
Contact Plating	Lead, Tin
Mount	Surface Mount
Number of Pins	8
-3db Bandwidth	500 MHz
Bandwidth	500 MHz
Input Bias Current	25 µA
Input Offset Voltage (Vos)	500 µV
Max Operating Temperature	85 °C
Max Power Dissipation	500 mW
Max Supply Voltage	5.5 V
Min Operating Temperature	-40 °C
Min Supply Voltage	2.7 V
Nominal Supply Current	8 mA
Number of Channels	1
Number of Elements	6
Operating Supply Current	8 mA
Packaging	Tape and Reel
Power Dissipation	50 mW
Quiescent Current	8 mA
Resistance	1.1 kΩ
Response Time	400 ns
Voltage Gain	85.8 dB

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Documentation for Analog Devices AD8307AR-REEL

Datasheet	View & Download AD8307AR-REEL Datasheet
Datasheet	View & Download AD8307AR-REEL Datasheet
Datasheet	View & Download AD8307AR-REEL Datasheet
Datasheet	View & Download AD8307AR-REEL Datasheet

Alternate Descriptions

Descriptions of Analog Devices AD8307AR-REEL provided by its distributors.
SP Amp LOG Amp Single R-R O/P 5.5V 8-Pin SOIC N T/R
LOG OR ANTILOG AMPLIFIER 490 MHz BAND WIDTH PDSO8
SOIC LOW COST RSSI LOG AMP REEL
IC LOGARITHMIC AMPLIFIER 8SOIC
Logarithmic Amplifiers DC to 500MHz 92dB
The AD8307 is the first logarithmic amplifier made available in an 8-lead (SOIC_N) package. It is a complete 500 MHz monolithic demodulating logarithmic amplifier based on the progressive compression (successive detection) technique, providing a dynamic range of 92 dB to ±3 dB law-conformance and 88 dB to a tight ±1 dB error bound at all 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 at 7.5 mA is needed, corresponding to an unprecedented power consumption of only 22.5 mW at 3 V. A fast acting CMOS-compatible control pin can disable the AD8307 to a standby current of less than 150 µA. Each of the cascaded amplifier/limiter cells has a small signal gain of 14.3 dB, with a -3 dB bandwidth of 900 MHz. The input is fully differential and at a moderately high impedance (1.1 kO in parallel with about 1.4 pF). The AD8307 provides a basic dynamic range extending from approximately -75 dBm (where dBm refers to a 50 O source, that is, a sine amplitude of about ±56 µV) up to +17 dBm (a sine amplitude of ±2.2 V). A simple input matching network can lower this range to -88 dBm to +3 dBm. The logarithmic linearity is typically within ±0.3 dB up to 100 MHz over the central portion of this range, and degrades only slightly at 500 MHz. There is no minimum frequency limit. The AD8307 can be used at audio frequencies of 20 Hz or lower. The output is a voltage scaled 25 mV/dB, generated by a current of nominally 2 µA/dB through an internal 12.5 kO resistor. This voltage varies from 0.25 V at an input of -74 dBm (that is, the ac intercept is at -84 dBm, a 20 µV rms sine input), up to 2.5 V for an input of +16 dBm. This slope and intercept can be trimmed using external adjustments. Using a 2.7 V supply, the output scaling can be lowered, for example to 15 mV/dB, to permit utilization of the full dynamic range. The AD8307 exhibits excellent supply insensitivity and temperature stability of the scaling parameters. The unique combination of low cost, small size, low power consumption, high accuracy and stability, very high dynamic range, and a frequency range encompassing audio through IF to UHF makes this product useful in numerous applications requiring the reduction of a signal to its decibel equivalent. The AD8307 operates over the industrial temperature range of -40°C to +85°C, and is available in 8-lead SOIC and PDIP packages. Data Sheet, Rev D, 07/2008

AD8307AR-REEL

Analog Devices

Specifications

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Documentation for Analog Devices AD8307AR-REEL

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