ltc5588-1 Linear Technology Corporation, ltc5588-1 Datasheet
ltc5588-1
Related parts for ltc5588-1
ltc5588-1 Summary of contents
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... RF = 200MHz CC TO 6000MHz 6.8pF PA 0.2pF LINOPT LTC2630 1nF 55881 TA01a VCO/SYNTHESIZER LTC5588-1 200MHz to 6000MHz with Ultrahigh OIP3 ACPR, AltCPR and ACPR, AltCPR with Optimized LINOPT Voltage vs RF Output Power at 2.14GHz for W-CDMA 1, 2 and 4 Carriers –40 3.3V ACPR 4C 2C ACPR (OPT) AltCPR – ...
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... LTC5588-1 absoluTe MaxiMuM raTings (Note 1) Supply Voltage .........................................................3.8V Common Mode Level of BBPI, BBMI, and BBPQ, BBMQ ...................................................0.55V Voltage on Any Pin .......................... –0. .................................................................... 150°C JMAX Operating Temperature Range .................–40°C to 85°C Storage Temperature Range .................. –65°C to 150°C orDer inForMaTion LEAD FREE FINISH ...
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... S11 < –10dB 20 • Log ( RF(OUT)(50Ω) IN(DIFF)( Signal, I and Q P-P(DIFF) (Notes 4, 5) (Notes 4, 6) Optimized (Notes 4, 6, 11) No Baseband AC Input Signal (Note 3) (Note 7) (Note 7) LTC5588-1 each, I P-P(DIFF) MIN TYP MAX UNITS 350 to 468 MHz 200 to 1500 MHz –2.6 1.4 dBm 8.6 ...
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... LTC5588-1 elecTrical characTerisTics BBPI, BBMI, BBPQ, BBMQ common mode DC voltage V and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. SYMBOL PARAMETER f = 2140MHz 2139.9MHz 0dBm 6.8pF , C8 = 0.2pF LO RF LOM f RF Match Frequency Range RF(MATCH) ...
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... Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC5588-1 is guaranteed functional over the operating temperature range from –40°C to 85°C. Note 3: At 6MHz offset from the LO signal frequency. 100nF between BBPI and BBMI, 100nF between BBPQ and BBMQ ...
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... LTC5588-1 Typical perForMance characTerisTics AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5V and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. ...
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... P = 0dBm) LO LOM 40 5 PARTS SHOWN 30 20 3.3V, 85°C 3.3V, 25°C 3.15V, 25°C 3.45V, 25°C 3.3V, –40° 2.0 2.5 3.0 LINOPT VOLTAGE (V) LTC5588 3.3V 3.3V 25°C, LOP input baseband input frequencies = 4.5MHz P-P(DIFF) Image Rejection vs LO Frequency (P = 0dBm) LOM –20 –30 –40 –50 – ...
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... LTC5588-1 Typical perForMance characTerisTics AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5V and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. ...
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... LOM 1760MHz LO 5 PARTS SHOWN 30 20 3.3V, 85°C 3.3V, 25°C 3.15V, 25°C 3.45V, 25°C 3.3V, –40°C 10 2.0 2.5 3.0 LINOPT VOLTAGE (V) LTC5588 3.3V 3.3V 25°C, LOP input baseband input frequencies = 4.5MHz P-P(DIFF) Output IP3 vs LINOPT Voltage (f = 3499MHz, f RF1 RF2 P = 0dBm) LOM 40 3.3V, 85° 3.3V, 25° ...
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... LTC5588-1 Typical perForMance characTerisTics AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5V and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. ...
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... LO FREQUENCY (GHz) –20 3.45V, 25°C 3.3V, –40°C 5 PARTS SHOWN –30 –40 –50 – 55881 G51 LTC5588 3.3V 3.3V 25°C, LOP input baseband input frequencies = 4.5MHz P-P(DIFF) Output Noise Floor vs RF Frequency (No AC Baseband Input Signal 10dBm) LOM –156 NOTE 3 – ...
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... LTC5588-1 Typical perForMance characTerisTics AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5V and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. ...
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... RF FREQUENCY (GHz) = 900MHz, –20 –30 –40 –50 –60 –70 –80 – 55881 G68 LTC5588 3.3V 3.3V 25°C, LOP input baseband input frequencies = 4.5MHz P-P(DIFF) Output IP2 vs RF Frequency (P = 0dBm LOM IM2 3.3V, 85°C 3.3V, 25° ...
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... LTC5588-1 Typical perForMance characTerisTics AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5V and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin floating, unless otherwise noted. Test circuit is shown in Figure 8. ...
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... Do not apply common mode voltage beyond 0.55V . GND CC1 CC2 CHANNEL 0° 90° CHANNEL GND LOP LOM NC LINOPT LTC5588-1 (Pins 24, 18): Power Supply recommended GND RF 55881 55881f ...
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... BBPI V = 0.5V CM BBMI Figure 1. Simplified Circuit Schematic of the LTC5588-1 (Only I Channel is Shown) recommended. Note that the frequency of the best match is set lower than the band center frequency to compensate the gain roll-off of the on-chip RF output balun at lower frequency. At 240MHz and 450MHz operations, the image rejection and the large-signal noise performance is better using higher LO drive levels ...
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... It is recommended to drive the baseband inputs differen- –0.37 tially to reduce even-order distortion products. When a DAC –0.68 is used as the signal source, a reconstruction filter should –1.38 be placed between the DAC output and the LTC5588-1 –2.79 baseband inputs to avoid aliasing. –5.3 Figure 2 shows a typical baseband interface for zero-IF –10.6 repeater application. A 5th-order lowpass ladder filter is – ...
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... LTC5588-1 applicaTions inForMaTion At each baseband pin, a 0.146V to 0.854V swing is de- veloped corresponding to a DAC output current of 0mA to 20mA. A 3dB lower gain can be achieved using R1A = R1B = 49.9Ω; R2A = R2B = Open; R2C = 100Ω; R3A = R3B = 51Ω; L1A = L1B = L2A = L2B = 180nH; C1A = C1B = C3A = C3B = 68pF ...
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... LTC5588-1 REFLECTION COEFFICIENT MAG ANGLE 0.494 –30.6 0.455 –35.1 0.42 –40.2 0.356 –46.6 0.3 –54.1 0.258 –59.1 0.229 –66.6 0.203 –73.1 0.192 –80.6 0.179 –87.5 0.176 –102 0.185 –112 0.196 –119 0.202 – ...
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... LTC5588-1 applicaTions inForMaTion Table 5. LOM Port Input Impedance vs Frequency for EN = Low and P = 10dBm (LOP Terminated with 50Ω Ground) LOM REFLECTION COEFFICIENT FREQUENCY LOM INPUT (GHz) IMPEDANCE MAG 0.2 92-j61 0.48 0.25 83-j55 0.444 0.3 75-j50 0.414 0.4 66-j39 0.345 0.5 60-j32 0.293 0.6 56-j27 0.251 0.7 53-j23 0.225 ...
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... LTC5588-1 REFLECTION COEFFICIENT MAG ANGLE 0.243 –45 0.250 –52 0.221 –58 0.215 –69 0.197 –81 0.183 –87 0.186 –93 0.188 –99 0.200 –107 0.199 –110 0.237 – ...
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... LTC5588-1 applicaTions inForMaTion RF Section After upconversion, the RF outputs of the I and Q mixers are combined. An on-chip balun performs internal dif- ferential to single-ended conversion, while transforming the output signal to 50Ω as shown in Figure 1. Table 8 shows the RF port output impedance vs frequency for EN = High. Table 8. RF Output Impedance vs Frequency for EN = High ...
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... Figure 13). Enable Interface Figure 7 shows a simplified schematic of the EN pin in- terface. The voltage necessary to turn on the LTC5588-1 is 2V. To disable (shut down) the chip, the enable voltage must be below 1V. If the EN pin is not connected, the chip is enabled. This EN = High condition is assured by the 100k on-chip pull-up resistor ...
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... OPT C12 R11 R10 OPT OPT OPT 4.7µF 1nF GND GNDRF 3 BP LOP U1 4 LTC5588-1 LOM 5 3 GND GNDRF 6 C14 NC 1nF R12 OPT R14 C13 R13 100nF OPT J3 BBMQ ...
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... AC ground- ing Pins 12, 14, 17, 19 and exposed pad 26 (group 2). Figure 9. Component Side of Evaluation Board LTC5588-1 Figure 10. Bottom Side of Evaluation Board Figure 11. Enlarged View of the Component Side of the Evaluation Board ...
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... LTC5588-1 applicaTions inForMaTion The LTC5588-1 is recommended for basestation applica- tions using various modulation formats. Figure 14 shows a typical application. The LTC2630 can be used to drive the LINOPT pin via a SPI interface. At 3.3V supply, the maximum LINOPT voltage is about 3.125V. Using an extra buffer like the LTC6246 in unity-gain configuration can increase the maximum LINOPT voltage to about 3 ...
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... PF Package Variation: PF24MA 24-Lead Plastic UTQFN (4mm × 4mm) (Reference LTC DWG # 05-08-1834 Rev Ø) 0.70 0.05 1.24 0.05 PACKAGE OUTLINE 0.25 0.05 0.50 BSC BOTTOM VIEW—EXPOSED PAD 0.55 0. 0.05 TYP 2.45 0.10 0.125 REF 0.00 – 0.05 LTC5588-1 PIN 1 NOTCH R = 0.20 TYP OR 0.25 45 2.50 REF CHAMFER 23 24 0.40 0. 1.24 0.10 0.41 0. 0.125 0.41 0.10 TYP (PF24MA) UTQFN 0908 REV Ø ...
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... Downconverting Mixer RF Power Detector LT5581 6GHz Low Power RMS Detector LTC5582 40MHz to 10GHz RMS Power Detector Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● LTC5588 I-CHANNEL Q-CHANNEL LINOPT 3 ...