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RFQ ListingWireless & RF ICs
LT5581IDDB#TRMPBF is an Analog Devices LT5581 10 MHz to 6 GHz RMS power detector with 40 dB log-linear dynamic range, single-ended RF input and a low-power 8-lead DFN package. The listed 21+ stock is supplied on tape and reel and remains subject to label, lot and packing confirmation before release.
ManufacturerAnalog Devices
Package8-lead DFN (3 mm × 2 mm with exposed pad), tape and reel
SeriesLT5581
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Architecture | Monolithic RMS RF power detector |
| Frequency Range | 10 MHz to 6 GHz |
| Dynamic Range | 40 dB log-linear |
| Crest Factor | Accurate measurement of modulated signals with crest factor up to 12 dB |
| RF Power Measurement Range | −34 dBm to +6 dBm at 2.14 GHz |
| Response Time | 1 μs rise time; 8 μs fall time |
| Supply Current | 1.4 mA at 3.3 V |
| Supply Voltage | 2.7 V to 5 V |
| RF Input | Single-ended RF input; −34 dBm to +6 dBm at 2.14 GHz |
| Output | DC voltage linearly proportional to RF input power in dBm |
| Output Filtering | On-chip 300 Ω series resistor for output modulation-ripple filtering |
| Target Board Class | RF, wireless infrastructure or test-equipment board |
| Manufacturer | Analog Devices |
| Package / Case | 8-lead DFN (3 mm × 2 mm with exposed pad) |
| Package Code / Suffix | DDB; IDDB#TRMPBF orderable variant |
| Operating Temperature | −40 °C to +85 °C |
| Ordering Code | LT5581IDDB#TRMPBF |
| Output Voltage / Current | Buffered DC voltage output, log-linear vs RF input power (dBm) |
Power Features & Applications
- 10 MHz to 6 GHz frequency range
- 40 dB log-linear dynamic range
- Measures high-crest-factor waveforms up to 12 dB
- 1 μs rise time and 8 μs fall time
- Low power: 1.4 mA at 3.3 V
- Log-linear DC output proportional to RF input power in dBm
- Single-ended RF input
- 8-lead DFN package, 3 mm × 2 mm with exposed pad
- RF power measurement range of −34 dBm to +6 dBm at 2.14 GHz
- On-chip 300 Ω series resistor supports filtering of output modulation ripple
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Frequently Asked Questions
Is LT5581IDDB#TRMPBF available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for LT5581IDDB#TRMPBF by RFQ.
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Buyers should check voltage range, current rating, package, protection features and date code for LT5581IDDB#TRMPBF, together with live stock and traceable supply.
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