AD8302ARUZ-RL7
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AD8302ARUZ-RL7
IC RF DETECT 2.7GHZ 14TSSOP
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$9.68
Quantity Available:
7810
SZC Quality Assurance
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.
AD8302ARUZ-RL7 FEATURES
Measures Gain/Loss and Phase up to 2.7 GHzDual Demodulating Log Amps and Phase DetectorInput Range –60 dBm to 0 dBm in a 50 � SystemAccurate Gain Measurement Scaling (30 mV/dB)Typical Nonlinearity < 0.5 dBAccurate Phase Measurement Scaling (10 mV/Degree)
AD8302ARUZ-RL7 PRODUCT DESCRIPTION
The AD8302 is a fully integrated system for measuring gain/lossand phase in numerous receive, transmit, and instrumentationapplications. It requires few external components and a singlesupply of 2.7 V–5.5 V. The ac-coupled input signals can rangefrom –60 dBm to 0 dBm in a 50 Ω system, from low frequenciesup to 2.7 GHz. The outputs provide an accurate measurementof either gain or loss over a ±30 dB range scaled to 30 mV/dB,and of phase over a 0°–180° range scaled to 10 mV/degree.Both subsystems have an output bandwidth of 30 MHz, whichmay optionally be reduced by the addition of external filtercapacitors. The AD8302 can be used in controller mode toforce the gain and phase of a signal chain toward predeterminedsetpoints.The AD8302 comprises a closely matched pair of demodulatinglogarithmic amplifiers, each having a 60 dB measurement range.By taking the difference of their outputs, a measurement ofthe magnitude ratio or gain between the two input signals isavailable. These signals may even be at different frequencies,allowing the measurement of conversion gain or loss. The AD8302may be used to determine absolute signal level by applying theunknown signal to one input and a calibrated ac reference signalto the other. With the output stage feedback connection dis-abled, a comparator may be realized, using the setpoint pinsMSET and PSET to program the thresholds.The signal inputs are single-ended, allowing them to be matchedand connected directly to a directional coupler. Their inputimpedance is nominally 3 kΩ at low frequencies.The AD8302 includes a phase detector of the multiplier type,but with precise phase balance driven by the fully limited signalsappearing at the outputs of the two logarithmic amplifiers.Thus, the phase accuracy measurement is independent of signallevel over a wide range.The phase and gain output voltages are simultaneously availableat loadable ground referenced outputs over the standard outputrange of 0 V to 1.8 V. The output drivers can source or sink upto 8 mA. A loadable, stable reference voltage of 1.8 V is avail-able for precise repositioning of the output range by the user.In controller applications, the connection between the gainoutput pin VMAG and the setpoint control pin MSET is broken.The desired setpoint is presented to MSET and the VMAGcontrol signal drives an appropriate external variable gain device.Likewise, the feedback path between the phase output pin VPHSand its setpoint control pin PSET may be broken to allowoperation as a phase controller.The AD8302 is fabricated on Analog Devices’ proprietary, highperformance 25 GHz SOI complementary bipolar IC process. It isavailable in a 14-lead TSSOP package and operates over a –40°Cto +85°C temperature range. An evaluation board is available.
AD8302ARUZ-RL7 APPLICATIONS
RF/IF PA LinearizationPrecise RF Power ControlRemote System Monitoring and DiagnosticsReturn Loss/VSWR MeasurementsLog Ratio Function for AC Signals
Product Attributes
| TYPE | DESCRIPTION | Select all |
|---|---|---|
| Mounting Type | Surface Mount | |
| Current - Supply | 23 mA | |
| Voltage - Supply | 2.7V ~ 5.5V | |
| Accuracy | ±0.5dB | |
| Input Range | -60dBm ~ 0dBm | |
| RF Type | General Purpose | |
| Frequency | 2.7GHz | |
| Product Status | Active | |
| Package | Tape & Reel (TR) | |
| Series | - | |
| Supplier Device Package | 14-TSSOP | |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
$9.68
Quantity Available:
7810
SZC Quality Assurance
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
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