Datasheet for ADL5920ACPZ:
- Manufacturer Part Number : ADL5920ACPZ
- Manufacturer : AD
- Description : 9 kHz to 7 GHz, Bidirectional RMS and VSWR Detector IC
- Series : ADL5920
- Reference Price : USD 11.6
- Our Price : We have a better price, contact us by email
- Product Type : RF Power Detectors
- Function : RMS Responding Power Detectors
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 32-Lead LFCSP (5mm x 5mm w/ EP)
- Pins : 32
- MFG Package Case : CP-32-7
- Part Type : OTH
- Standard Packing Type : Tray
- Standard Packing Quantity : 490
- Working Temperature : -40 to 85C
- Other Part Number : ADL5920ACPZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Wideband matched 9 kHz to 7 GHz operation
- Forward and reverse power and return loss measurement
- 49 dB ±1.0 dB input range with −19 dBm minimum input level, ±1.0 dB at 1 GHz
- Linear in dB rms (crest factor insensitive) outputs
- Insertion loss: 1.1 dB at 1 GHz and 1.9 dB at 6 GHz
- Input and output return loss and VSWR
- 1 GHz: 22 dB/1.16:1
- 3 GHz: 14 dB/1.5:1
- 6 GHz: 12 dB/1.7:1
- Output IP3: 70.5 dBm at 1 GHz
- Directivity
- 20 dB at 1 GHz
- 13 dB at 3 GHz
- 5 dB at 6 GHz
- Maximum input power
- 30 dBm for open or shorted termination
- 33 dBm for matched termination
The ADL5920 is an ultrawideband, bidirectional detector that simultaneously measures forward and reverse rms power levels in a signal path, along with the return loss.
The forward and reverse power traveling through the integrated bidirectional bridge is measured using two 50 dB linear in dB rms detectors. The detector output voltages, available at the VRMSF and VRMSR pins, are proportional to the forward and reflected power in dBm. A third, differential, output produces a voltage proportional to the return loss (reflection coefficient) in dB, closely related to the voltage standing wave ratio (VSWR). The common-mode level of this output is externally adjustable through the VOCM pin.
The primary transmission line of the bidirectional bridge, from RFIN to RFOUT (or vice versa) is dc-coupled and allows small amounts of dc bias current through the bridge. When dc-coupled to source and load, the positive and negative supply pins of the ADL5920 must be connected to +5 V and −2.5 V, respectively (relative to the dc voltage at RFIN and RFOUT). The internal detector circuitry is also dc-coupled to the directional bridge to support measurements down to 9 kHz.
The maximum input signal on each of the RF ports (RFIN and RFOOUT) is 30 dBm for open and shorted terminations and 33 dBm for a matched termination.
The ADL5920 draws 160 mA from a 5 V supply and has a low power, power-down mode controlled through the PWDN/TADJS pin.
The device is supplied in a 32-lead, 5 mm × 5 mm LFCSP and is specified for ambient operating temperatures in the −40°C to +85°C range.
Multifunction pin names may be referenced by their relevant function only.
Applications
- Industrial metering
- Broadband inline power and return loss measurement
- Transmit power control and automatic level control in wireless transmitters, signal generators, network analyzers, and wireless communications testers
- Condition based monitoring of system modules, cables, and connectors
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
