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LT5568-2EUF-TRPBF Datasheet(PDF) 3 Page - Linear Technology |
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LT5568-2EUF-TRPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page LT5568-2 3 55682f VCC = 5V, EN = High, TA = 25°C, fLO = 900MHz, fRF = 902MHz, PLO = 0dBm. BBPI, BBMI, BBPQ, BBMQ inputs 0.54VDC, Baseband Input Frequency = 2MHz, I&Q 90° shifted (upper side-band selection). PRF, OUT = –10dBm, unless otherwise noted. (Note 3) Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: Specifications over the –40°C to 85°C temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: Tests are performed as shown in the configuration of Figure 7. Note 4: On each of the four baseband inputs BBPI, BBMI, BBPQ and BBMQ. Note 5: V(BBPI) – V(BBMI) = 1VDC, V(BBPQ) – V(BBMQ) = 1VDC. Note 6: Maximum value within 850MHz to 965MHz. Note 7: An external coupling capacitor is used in the RF output line. Note 8: At 20MHz offset from the LO signal frequency. Note 9: At 20MHz offset from the CW signal frequency. Note 10: At 5MHz offset from the CW signal frequency. Note 11: RF power is within 10% of final value. Note 12: RF power is at least 30dB lower than in the ON state. Note 13: Baseband is driven by 2MHz and 2.1MHz tones. Drive level is set in such a way that the two resulting RF tones are –10dBm each. Note 14: IM2 measured at LO frequency + 4.1MHz. Note 15: IM3 measured at LO frequency + 1.9MHz and LO frequency + 2.2MHz. Note 16: Amplitude average of the characterization data set without image or LO feedthrough nulling (unadjusted). Note 17: The difference in conversion gain between the spurious signal at f = 3 • LO – BB versus the conversion gain at the desired signal at f = LO + BB for BB = 2MHz and LO = 900MHz. Note 18: The input voltage corresponding to the output P1dB. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IR Image Rejection fBB = 100kHz (Note 16) – 52 dBc LOFT Carrier Leakage (LO Feedthrough) EN = High, PLO = 0dBm (Note 16) EN = Low, PLO = 0dBm (Note 16) –43 –65 dBm dBm LO Input (LO) fLO LO Frequency Range 0.6 to 1.1 GHz PLO LO Input Power – 10 0 5 dBm S11, ON LO Input Return Loss EN = High (Note 6) – 15 dB S11, OFF LO Input Return Loss EN = Low (Note 6) – 2.5 dB NFLO LO Input Referred Noise Figure (Note 5) at 900MHz 14.7 dB GLO LO to RF Small Signal Gain (Note 5) at 900MHz 14.7 dB IIP3LO LO Input 3rd Order Intercept (Note 5) at 900MHz – 3 dBm Baseband Inputs (BBPI, BBMI, BBPQ, BBMQ) BWBB Baseband Bandwidth – 3dB Bandwidth 380 MHz VCMBB DC Common Mode Voltage (Note 4) 0.54 V RIN, SE Single-Ended Input Resistance (Note 4) 47 Ω PLO2BB Carrier Feedthrough on BB POUT = 0 (Note 4) – 38 dBm IP1dB Input 1dB Compression Point Differential Peak-to-Peak (Notes 7, 18) 4.3 VP-P, DIFF Power Supply (VCC) VCC Supply Voltage 4.5 5 5.25 V ICC, ON Supply Current EN = High 80 110 145 mA ICC, OFF Supply Current, Sleep Mode EN = 0V 100 µA tON Turn-On Time EN = Low to High (Note 11) 0.3 µs tOFF Turn-Off Time EN = High to Low (Note 12) 1.4 µs Enable (EN), Low = Off, High = On Enable Input High Voltage Input High Current EN = High EN = 5V 1.0 245 V µA Sleep Input Low Voltage Input Low Current EN = Low EN = 0V 0.01 0.5 V µA |
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