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AD640 Datasheet

Part Number AD640
Manufacturers Analog Devices
Logo Analog Devices
Description DC-Coupled Demodulating 120 MHz Logarithmic Amplifier
Datasheet AD640 DatasheetAD640 Datasheet (PDF)

a DC-Coupled Demodulating 120 MHz Logarithmic Amplifier AD640 FEATURES Complete, Fully Calibrated Monolithic System Five Stages, Each Having 10 dB Gain, 350 MHz BW Direct Coupled Fully Differential Signal Path Logarithmic Slope, Intercept and AC Response are Stable Over Full Military Temperature Range Dual Polarity Current Outputs Scaled 1 mA/Decade Voltage Slope Options (1 V/Decade, 100 mV/dB, etc.) Low Power Operation (Typically 220 mW at ؎5 V) Low Cost Plastic Packages Also Available APPLI.

  AD640   AD640






Part Number AD648
Manufacturers Analog Devices
Logo Analog Devices
Description Low Power BiFET Op Amp
Datasheet AD640 DatasheetAD648 Datasheet (PDF)

a Dual Precision, Low Power BiFET Op Amp FEATURES DC Performance 400 ␮A max Quiescent Current 10 pA max Bias Current, Warmed Up (AD648B) 1 ␮V max Offset Voltage (AD648B) 10 ␮V/؇C max Drift (AD648B) 2 ␮V p-p Noise, 0.1 Hz to 10 Hz AC Performance 1.8 V/␮s Slew Rate 1 MHz Unity Gain Bandwidth Available in Plastic Mini-DIP, CERDIP, and Plastic SOIC Packages MIL-STD-883B Parts Available Surface Mount (SOIC) Package Available in Tape and Reel in Accordance with EIA-481A Standard Single Version: AD54.

  AD640   AD640







Part Number AD647
Manufacturers Analog Devices
Logo Analog Devices
Description Ultralow Drift/ Dual BiFET Op Amp
Datasheet AD640 DatasheetAD647 Datasheet (PDF)

a FEATURES Low Offset Voltage Drift Matched Offset Voltage Matched Offset Voltage Over Temperature Matched Bias Currents Crosstalk: –124 dB at 1 kHz Low Bias Current: 35 pA max Warmed Up Low Offset Voltage: 250 ␮V max Low Input Voltage Noise: 2 ␮ V p-p High Open Loop Gain: 108 dB Low Quiescent Current: 2.8 mA max Low Total Harmonic Distortion Standard Dual Amplifier Pinout Available in Hermetic Metal Can Package, Hermetic Surface Mount (20-Pin LCC) and Chip Form MIL-STD-883B Processing Also Avai.

  AD640   AD640







Part Number AD6459
Manufacturers Analog Devices
Logo Analog Devices
Description GSM 3 V Receiver IF Subsystem
Datasheet AD640 DatasheetAD6459 Datasheet (PDF)

a FEATURES Fully Compliant with Standard and Enhanced GSM Specification –11 dBm Input 1 dB Compression Point 0 dBm Input Third Order Intercept 10 dB SSB Noise Figure (50 ⍀) DC-500 MHz RF and LO Bandwidths Linear IF Amplifier Linear-in-dB and Stable over Temperature Voltage Gain Control Quadrature Demodulator On-Board Phase-Locked Quadrature Oscillator Demodulates IFs from 5 MHz to 50 MHz Low Power 8 mA at Midgain 2 ␮A Sleep Mode Operation 2.7 V to 5.5 V Operation Interfaces to AD7013, AD7015 and.

  AD640   AD640







Part Number AD6458
Manufacturers Analog Devices
Logo Analog Devices
Description GSM 3 V Receiver IF Subsystem
Datasheet AD640 DatasheetAD6458 Datasheet (PDF)

a FEATURES Fully Compliant with Standard and Enhanced GSM Specification –12 dBm Input 1 dB Compression Point –2 dBm Input Third Order Intercept 10 dB SSB Noise Figure (330 ⍀) DC–400 MHz RF and LO Bandwidths Linear IF Amplifier Linear-in-dB and Stable over Temperature Voltage Gain Control Quadrature Demodulator Onboard Phase-Locked Quadrature Oscillator Demodulates IFs from 5 MHz to 50 MHz Low Power 9 mA at Midgain 1 ␮ A Sleep Mode Operation 3.0 V to 3.6 V Operation Interfaces to AD7013, AD7015 a.

  AD640   AD640







Part Number AD645
Manufacturers Analog Devices
Logo Analog Devices
Description Low Noise/ Low Drift FET Op Amp
Datasheet AD640 DatasheetAD645 Datasheet (PDF)

a FEATURES Improved Replacement for Burr-Brown OPA-111 and OPA-121 Op Amp LOW NOISE 2 ␮V p-p max, 0.1 Hz to 10 Hz 10 nV/√Hz max at 10 kHz 11 fA p-p Current Noise 0.1 Hz to 10 Hz Low Noise, Low Drift FET Op Amp AD645 8-Pin Plastic Mini-DIP (N) Package CONNECTION DIAGRAMS TO-99 (H) Package CASE OFFSET NULL –IN +IN –VS OFFSET NULL 8 1 7 HIGH DC ACCURACY 250 ␮V max Offset Voltage 1 ␮V/؇ C max Drift 1.5 pA max Input Bias Current 114 dB Open-Loop Gain Available in Plastic Mini-DIP, 8-Pin Header Pack.

  AD640   AD640







DC-Coupled Demodulating 120 MHz Logarithmic Amplifier

a DC-Coupled Demodulating 120 MHz Logarithmic Amplifier AD640 FEATURES Complete, Fully Calibrated Monolithic System Five Stages, Each Having 10 dB Gain, 350 MHz BW Direct Coupled Fully Differential Signal Path Logarithmic Slope, Intercept and AC Response are Stable Over Full Military Temperature Range Dual Polarity Current Outputs Scaled 1 mA/Decade Voltage Slope Options (1 V/Decade, 100 mV/dB, etc.) Low Power Operation (Typically 220 mW at ؎5 V) Low Cost Plastic Packages Also Available APPLICATIONS Radar, Sonar, Ultrasonic and Audio Systems Precision Instrumentation from DC to 120 MHz Power Measurement with Absolute Calibration Wide Range High Accuracy Signal Compression Alternative to Discrete and Hybrid IF Strips Replaces Several Discrete Log Amp ICs PRODUCT DESCRIPTION The AD640 is a complete monolithic logarithmic amplifier. A single AD640 provides up to 50 dB of dynamic range for frequencies from dc to 120 MHz. Two AD640s in cascade can provide up to 95 dB of dynamic range at.


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