LT5581IDDB-PBF LINER [Linear Technology], LT5581IDDB-PBF Datasheet
LT5581IDDB-PBF
Related parts for LT5581IDDB-PBF
LT5581IDDB-PBF Summary of contents
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FEATURES n Frequency Range: 10MHz to 6GHz n Accurate Power Measurement of High Crest Factor (Up to 12dB) Waveforms n 40dB Log Linear Dynamic Range n Exceptional Accuracy Over Temperature n Fast Response Time: 1μs Rise, 8μs Fall n Low ...
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... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT5581IDDB#PBF LT5581IDDB#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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ELECTRICAL CHARACTERISTICS range, otherwise specifi cations are PARAMETER 2nd Order Harmonic Distortion 3rd Order Harmonic Distortion f = 880MHz RF RF Input Power Range Linear Dynamic Range, CW (Note 3) Linear Dynamic Range, EDGE (Note 3) Output ...
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LT5581 ELECTRICAL CHARACTERISTICS range, otherwise specifi cations are PARAMETER Output Variation vs Temperature Deviation from CW Response P = –34 to –4dBm 5800MHz RF RF Input Power Range Linear Dynamic Range, CW (Note 3) ...
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TYPICAL PERFORMANCE CHARACTERISTICS EN = 3.3V and T = 25°C, unless otherwise noted. (Test circuit shown in Figure 1) A Output Voltage vs Frequency 2 25°C A 1.8 10MHz 1.6 450MHz 880MHz 1.4 2.14GHz 1.2 2.6GHz 3.5GHz 1.0 ...
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LT5581 TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage and Linearity Error at 2140MHz 2.0 25°C 1.8 85°C – 40°C 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 –40 –30 –25 –20 –15 – –35 – INPUT POWER ...
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TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage and Linearity Error at 5800MHz 2.0 25°C 1.8 85°C – 40°C 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 –40 –30 –25 –20 –15 – –35 – INPUT POWER (dBm) ...
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LT5581 TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs RF Input Power 25° –25 –20 –15 –10 RF INPUT POWER (dBm) Return Loss vs Frequency Reference in Figure 1 Test ...
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PIN FUNCTIONS V (Pin 1): Power Supply, 2.7V to 5.25V should be bypassed with a 0.1μF ceramic capacitor. EN (Pin 2): Chip Enable. A logic low or no-connect on the enable pin shuts down the part. A logic ...
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LT5581 TEST CIRCUIT EN C5 OPT V OUT RF 0.018" 4.4 GND 0.062" DC 0.018" GND REF DES VALUE SIZE C6 100pF 0603 AVX 06033A101KAT2A C7 0.1μF 0603 AVX 06033C104KAT2A C3 0.01μF 0603 AVX 06033C103KAT2A C2 1000pF 0603 ...
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APPLICATIONS INFORMATION OPERATION To achieve an accurate average power measurement of the high crest factor modulated RF signals, the LT5581 combines a proprietary high speed power measurement subsystem with an internal 150kHz low pass averag- ing fi lter and an ...
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LT5581 APPLICATIONS INFORMATION A shunt 68Ω resistor can be used to provide a broadband impedance match at low frequencies up to 1.3GHz, and from 4.5GHz to 6GHz. As shown in Figure 4, a nominal broadband input match can be achieved ...
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APPLICATIONS INFORMATION the output pin, to form an RC lowpass fi lter. The internal 300Ω resistor in series with the output pin enables fi lter- ing of the output signal with just the addition of C Figure 7 shows the ...
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LT5581 APPLICATIONS INFORMATION Figure 10 shows that rise time and fall time are strong functions of RF input power. Data is taken without the output fi lter capacitor. For a given RF modulation type—WCDMA, for exam- ple—the internal 150kHz fi ...
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APPLICATIONS INFORMATION resulting deviation in the output voltage of the detector shows the effect of the internal 150kHz fi lter. The output voltage noise density and integrated noise are shown in Figures 12 and 13, respectively, for various input power ...
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LT5581 RELATED PARTS PART NUMBER DESCRIPTION RF Power Detectors LTC ® 5505 RF Power Detectors with >40dB Dynamic Range 300MHz to 3GHz, Temperature Compensated, 2. Supply LTC5507 100kHz to 1000MHz RF Power Detector LTC5508 300MHz to 7GHz RF ...