LOG OR ANTILOG AMPLIFIER

Part Number Description Supplier Availability Price Range
Transformer drive ultrasonic sensor IC with logarithmic amplifier 20-QFN -25 to 105
TUSS4440TRTJT Datasheet
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Transformer drive ultrasonic sensor IC with logarithmic amplifier 20-QFN -25 to 105
TUSS4440TRTJR Datasheet
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    19,395
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Enhanced Product Logarithmic Amplifier 16-SO -55 to 125
TL441MNSREP Datasheet
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    15,081
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Precision logarithmic and log ratio amplifier with scale factor of 0.5-V/decade 8-SOIC -40 to 85
LOG104AID Datasheet
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    1,489
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Direct drive ultrasonic sensor IC with logarithmic amplifier 20-QFN -25 to 105
TUSS4470TRTJT Datasheet
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    1,403
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RECENT HIGH $8.04228
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Logarithmic Amplifier 16-CDIP
TL441AMJB Datasheet
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Logarithmic amplifier with scale factor of 8 mV/decade 16-SO 0 to 70
TL441CNSR Datasheet
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Direct drive ultrasonic sensor IC with logarithmic amplifier 20-QFN -25 to 105
TUSS4470TRTJR Datasheet
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    54,306
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Precision logarithmic and log ratio amplifier with scale factor of 1-V/decade 8-SOIC -40 to 85
LOG101AIDR Datasheet
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    8,717
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Precision logarithmic and log ratio amplifier with scale factor of 1-V/decade 8-SOIC -40 to 85
LOG101AID Datasheet
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    5,814
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Dual precision logarithmic and log ratio amplifier with on-chip 2.5-V voltage reference 16-SOIC -40 to 85
LOG2112AIDW Datasheet
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    7,083
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Logarithmic amplifier with scale factor of 8 mV/decade 16-PDIP 0 to 70
TL441CN Datasheet
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    4,501
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Log Or Antilog Amplifier, 1 Func, 0.01MHz Band Width, PDSO8
LOG104AIDG4 Datasheet
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Log Or Antilog Amplifier, 1 Func, 0.3MHz Band Width, PDMA9
759N Datasheet
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Log Or Antilog Amplifier, 1 Func, 40MHz Band Width, BIPolar, CDIP16
TL441CJ Datasheet
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The AD8306 is a complete IF limiting amplifier, providing bothan accurate logarithmic (decibel) measure of the input signal(the RSSI function) over a dynamic range of 100 dB, and aprogrammable limiter output, useful from 5 MHz to 400 MHz.An evaluation board is available for this product and may be ordered using the following product number: AD8306-EVAL. Schematic and layout for this evaluation board is contained in the product datasheet.
AD8306ACHIPS Datasheet
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Log Or Antilog Amplifier, 1 Func, 2400MHz Band Width, BIPolar
MAX4001EBL+T Datasheet
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Log Or Antilog Amplifier, 1 Func, CMOS, PQCC20
ML2003IQ Datasheet
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Log Or Antilog Amplifier, 1 Func, 14MHz Band Width, BICMOS, PDSO20
TDA8780M Datasheet
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The AD640 is a complete monolithic logarithmic amplifier. A singleAD640 provides up to 50 dB of dynamic range for frequenciesfrom dc to 120 MHz. Two AD640s in cascade can provide up to95 dB of dynamic range at reduced bandwidth. The AD640 uses asuccessive detection scheme to provide an output current proportionalto the logarithm of the input voltage. It is laser calibrated toclose tolerances and maintains high accuracy over the full militarytemperature range using supply voltages from ±4.5 V to ±7.5 V.The AD640 comprises five cascaded dc-coupled amplifier/limiterstages, each having a small signal voltage gain of 10 dB and a –3 dBbandwidth of 350 MHz. Each stage has an associated full-wavedetector, whose output current depends on the absolute value of itsinput voltage. The five outputs are summed to provide the videooutput (when low-pass filtered) scaled at 1 mA per decade (50 µAper dB). On chip resistors can be used to convert this output currentto a voltage with several convenient slope options. A balancedsignal output at +50 dB (referred to input) is provided to operateAD640s in cascade.The logarithmic response is absolutely calibrated to within ±1 dBfor dc or square wave inputs from ±0.75 mV to ±200 mV, withan intercept (logarithmic offset) at 1 mV dc. An integral X10attenuator provides an alternative input range of ±7.5 mV to±2 V dc. Scaling is also guaranteed for sinusoidal inputs.The AD640B is specified for the industrial temperature range of–40°C to +85°C and the AD640T, available processed to MILSTD-883B,for the military range of –55°C to +125°C. Both areavailable in 20-lead side-brazed ceramic DIPs or leadless chipcarriers (LCC). The AD640J is specified for the commercialtemperature range of 0°C to +70°C, and is available in both20-lead plastic DIP (N) and PLCC (P) packages.This device is now available to Standard Military Drawing(DESC) number 5962-9095501MRA and 5962-9095501M2A.Product Highlights Absolute calibration of a wideband logarithmic amplifier is unique. The AD640 is a high accuracy measurement device, not simply a logarithmic building block. Advanced design results in unprecedented stability over the full military temperature range. The fully differential signal path greatly reduces the risk of instability due to inadequate power supply decoupling and shared ground connections, a serious problem with commonly used unbalanced designs. Differential interfaces also ensure that the appropriate ground connection can be chosen for each signal port. They further increase versatility and simplify applications. The signal input impedance is ~500 kΩ in shunt with ~2 pF. The dc-coupled signal path eliminates the need for numerous interstage coupling capacitors and simplifies logarithmic conversion of subsonic signals. The low input offset voltage of 50 µV (200 µV max) ensures good accuracy for low level dc inputs. Thermal recovery “tails,” which can obscure the response when a small signal immediately follows a high level input, have been minimized by special attention to design details. The noise spectral density of 2 nV/√Hz results in a noise floor of ~23 µV rms (–80 dBm) at a bandwidth of 100 MHz. The dynamic range using cascaded AD640s can be extended to 95 dB by the inclusion of a simple filter between the two devices.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
AD640JPZ-REEL7 Datasheet
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Log Or Antilog Amplifier, 1 Func, BIPolar, PDSO16
LOG2112AIDWRE4 Datasheet
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Log Or Antilog Amplifier, BIPolar, PQCC20
SL2524CHP Datasheet
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Log Or Antilog Amplifier, 1 Func, 2400MHz Band Width, BIPolar, PDSO8
MAX4002EUA+ Datasheet
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Log Or Antilog Amplifier, 1 Func, 4000MHz Band Width
ADL5513-ACPZ Datasheet
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Log Or Antilog Amplifier, BIPolar, MBCY8
SL1521A Datasheet
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