AD641AN

Mfr. #:: AD641AN
Manufacturer:: Analog Devices Inc.
Description:: Logarithmic Amplifiers IC 250MHZ DEMOD LGAMP
Lifecycle:: New from this manufacturer.
Datasheet:: AD641AN Datasheet
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More Information:: AD641AN more Information AD641AN Product Details

Product Attribute
Attribute Value

Manufacturer:: Analog Devices Inc.

Product Category:: Logarithmic Amplifiers

RoHS:: N

Series:: AD641

Amplifier Type:: Logarithmic Amplifier

Number of Channels:: 1 Channel

3 dB Bandwidth:: 250 MHz

Ib - Input Bias Current:: 25 uA

Vos - Input Offset Voltage:: 0.2 mV

Supply Voltage - Max:: 7.5 V

Supply Voltage - Min:: 4.5 V

Operating Supply Current:: 44 mA

Minimum Operating Temperature:: - 40 C

Maximum Operating Temperature:: + 85 C

Mounting Style:: Through Hole

Package / Case:: PDIP-20

Packaging:: Tube

Bandwidth:: 250 MHz

Product:: Logarithmic Amplifiers

Type:: Demodulating Log Amp

Brand:: Analog Devices

Input Voltage Range - Max:: +/- 7.5 V

Dynamic Range dB:: 44 dB

GBP - Gain Bandwidth Product:: -

Operating Supply Voltage:: 4.5 V to 7.5 V

Pd - Power Dissipation:: 220 mW

Product Type:: Logarithmic Amplifiers

Factory Pack Quantity:: 18

Subcategory:: Amplifier ICs

Unit Weight:: 0.079719 oz

Tags: AD641A, AD641, AD64, AD6

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AD641AN Description

***ical: SP Amp LOG Amp Single ±7.5V 20-Pin PDIP N Tube

***i-Key Marketplace: IC LOGARITHMIC 1 CIRCUIT 20DIP

***log Devices: The AD641 is a 250 MHz, demodulating logarithmic amplifier with an accuracy of ±2.0 dB and 44 dB dynamic range. The AD641 uses a successive detection architecture to provide an output current that is logarithmically proportional to its input voltage. The output current can be converted to a voltage using one of several on-chip resistors to select the slope. A single AD641 provides up to 44 dB of dynamic range at speeds up to 250 MHz, and two cascaded AD641s together can provide 58 dB of dynamic range at speeds up to 250 MHz. The AD641 is fully stable and well characterized over either the industrial or military temperature ranges. The AD641 is not a logarithmic building block, but rather a complete logarithmic solution for compressing and measuring wide dynamic range signals. The AD641 is comprised of five stages and each stage has a full wave rectifier, whose current depends on the absolute value of its input voltage. The output of these stages are summed together to provide the demodulated output current scaled at 1 mA per decade (50 µA/dB). Without utilizing the 10× input attenuator, log conformance of 2.0 dB is maintained over the input range –44 dBm to 0 dBm. The attenuator offers the most flexibility without significantly impacting performance. The 250 MHz bandwidth and temperature stability make this product ideal for high speed signal power measurement in RF/ IF systems. ECM/Radar and Communication applications are routinely in the 100 MHz–180 MHz range for power measurement. The bandwidth and accuracy, as well as dynamic range, make this part ideal for high speed, wide dynamic range signals. The AD641 is offered in industrial (–40°C to +85°C) and military (–55°C to +125°C) package temperature ranges. Industrial versions are available in plastic DIP and PLCC; MIL versions are packaged in cerdip. Applications IF/RF signal processing Received Signal Strength Indicator (RSSI) High speed signal compression High speed spectrum analyzer ECM/radar

Market price

Part #	Mfg.	Description	Stock	Price
AD641AN DISTI # AD641AN-ND	Analog Devices Inc	IC OPAMP LOG 250MHZ 20DIP RoHS: Not compliant Min Qty: 7 Container: Tube	Limited Supply - Call
AD641ANZ DISTI # AD641ANZ-ND	Analog Devices Inc	IC OPAMP LOG 250MHZ 20DIP RoHS: Compliant Min Qty: 18 Container: Tube	Temporarily Out of Stock	18:$48.9644
AD641AN DISTI # 584-AD641AN	Analog Devices Inc	Logarithmic Amplifiers IC 250MHZ DEMOD LGAMP RoHS: Not compliant	0
AD641ANZ DISTI # 584-AD641ANZ	Analog Devices Inc	Logarithmic Amplifiers IC 250MHZ DEMOD LGAMP RoHS: Compliant	3	1:$50.5500 5:$48.9700 10:$48.0200 25:$45.8900 50:$43.1900 100:$41.8600
AD641AN	Analog Devices Inc	Log Or Antilog Amplifier, 1 Func, 250MHz Band Width, BIPolar, PDIP20 RoHS: Not Compliant	5017	1000:$52.4500 500:$55.2100 100:$57.4800 25:$59.9400 1:$64.5500
AD641ANZ	Analog Devices Inc	Log Or Antilog Amplifier, 1 Func, 250MHz Band Width, PDIP20 RoHS: Compliant	1004	1000:$62.6700 500:$65.9700 100:$68.6800 25:$71.6200 1:$77.1300
AD641AN	Analog Devices Inc		10

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Start with

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AD641AN

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes