Order this document by MRFIC1504/D MRFIC1504 Integrated GPS Downconverter This integrated circuit is intended for GPS receiver applications. The dual c o n v e r s i o n d e s i g n i s i m p l e m e n t e d i n M o t o r o l a 's l o w - c o s t , high-performance MOSAIC 5 silicon bipolar process and is packaged in a low-cost surface mount LQFP-48 package. In addition to the mixers, a VCO, PLL, Crystal Oscillator, A/D converter and a loop filter are integrated on-chip. Output IF is nominally 4.1 MHz. * 105 dB Typical Conversion Gain * * * 1.575 GHz GPS DOWNCONVERTER SEMICONDUCTOR TECHNICAL DATA 2.7 V Operation 28 mA Typical Current Consumption Low-Cost, Low-Profile Plastic LQFP Package MOSAIC 5 is a trademark of Motorola, Inc. ORDERING INFORMATION Device MRFIC1504R2 Operating Temperature Range Package TA = -40 to 85C LQFP-48 48 1 PLASTIC PACKAGE CASE 932 (LQFP-48) Pin Connections and Functional Block Diagram LNA In LNA VCC LNA Gnd LNA Out LNA Gnd Gnd 36 35 34 33 32 Mixer 1 Mixer 1 VCC Gnd In Mixer 1 31 30 IF 1 VGA Level VGA In B VGA In A 28 27 26 25 29 37 24 Gnd LNA LNA Gnd 38 23 VCC Mixer 2 LNA Gnd 39 22 Gnd Vreg VCO 40 21 IF 2 Tank 41 20 Limiter VCC 19 Gnd 18 Limiter Gnd 4 25 Gnd 42 Tank 43 VCO PD VCO Gnd 44 17 Limiter In B VCO VCC 45 16 Limiter In A LPF Out 46 15 Limiter Bias LPF Neg 47 14 Limiter Out 13 Enable LPF Pos Temp Sense 48 Ref Osc Vreg 1 2 3 4 5 6 7 8 9 10 11 12 Gnd VCC PLL Gnd Temp Sense VCC Crystal Gnd Gnd Crystal Osc Vreg Out Clk Gnd Motorola, Inc. 2000 MOTOROLA RF/IF DEVICE DATA Rev 1 1 MRFIC1504 MAXIMUM RATINGS Symbol Value Unit DC Supply Voltage Rating VDD 5.0 Vdc DC Supply Current IDD 60 mA Operating Ambient Temperature TA -40 to 85 C Tstg -65 to 150 C - 260 C Storage Temperature Range Lead Soldering Temperature Range (10 seconds) NOTE: Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits in the Electrical Characteristics tables. ELECTRICAL CHARACTERISTICS (VCC = 2.7 to 3.3 V; TA = -40 to 85C; Enable = 2.7 V unless otherwise noted) Symbol Min Typ Max Supply Voltage VCC 2.7 3.0 3.3 V Supply Current (TA = 25C, VCC = 2.7 V, Enable = 2.7 V) ICC - 28 36 mA Supply Current (TA = 25C, VCC = 2.7 V, Enable = 0 V) ICC - 2.0 4.0 mA fin - 1575.42 - MHz Characteristic Unit TOTAL DEVICE RF AMPLIFIER RF Input Frequency Zin - 50 - VSWRin - 2.0 - - Gain G 13 15 - dB Noise Figure NF - 2.0 - dB P1dB - 1.0 - dBm Input Frequency fin - 1575.42 - MHz Gain G 10 14 - dB Noise Figure NF - 13 - dB 1.0 dB Compression (Measured at Output) P1dB - -13 - dBm First Local Oscillator Frequency fLO1 - 1636.8 - MHz First Intermediate Frequency fIF1 - 61.38 - MHz LO Leakage at IF Port - - -40 - dBm LO Leakage at RF Port - - -50 - dBm Zout - 50 - Input Frequency fin - 61.38 - MHz Imput Impedance Zin - 230 - Output Impedance Zout - 50 - Second Local Oscillator Frequency fLO2 - 65.47 - MHz Second Intermediate Frequency fIF2 - 4.092 - MHz LO Leakage at IF Port - - -40 - dBm Gain G 40 43 - dB NF - 9.3 - dB P1dB - -13 - dBm Input Impedance Input VSWR 1.0 dB Compression (Measured at Output) FIRST MIXER Output Impedance FIRST IF AMPLIFIER and SECOND MIXER Cascaded Noise Figure 1.0 dB Compression Point (Measured at Output) 2 MOTOROLA RF/IF DEVICE DATA MRFIC1504 ELECTRICAL CHARACTERISTICS -- continued (VCC = 2.7 to 3.3 V; TA = -40 to 85C; Enable = 2.7 V unless otherwise noted) Characteristic Symbol Min Typ Max Unit fIF2 - 4.092 - MHz - 4.0 11 31 mV LIMITING AMPLIFIER Second Intermediate Frequency Input Signal Level o Output Voltage Swing (Into 10 pf 100 k) Vout 800 - - mVpp DC Output Level - - 1.4 - V Gain G - 50 - dB Reference Frequency fr - 16.368 - MHz Reference Frequency Input Level (Crystal Output Pin) - - 500 - mVpp Reference Oscillator Output Voltage Level (Into 15 pF || 10 k) - 750 - - mVpp Reference Clock Input Drive Level - 400 800 1500 mVpp First Local Oscillator Frequency fLO1 - 1636.8 - MHz Second Local Oscillator Frequency fLO2 - 65.47 - MHz VCO C/N (at 10 kHz Offset) - - -80 - dBc/Hz VCO Gain (TBD Varactor) - - 20 - MHz/V VCC - V REFERENCE OSCILLATOR PLL ENABLE Enable Active Level - 0.8 VCC Disable Active Level - - 0 Vo 2.1 2.3 2.5 V Temperature Sensor Output Voltage @ 25C - 1.2 1.28 1.375 V Temperature Sensor Slope over Temperature - - 5.0 - mV/C 0.2 VCC V VOLTAGE REGULATOR Regulator Output Voltage (VCC = 2.7 to 3.3 V, Iout = 3.0 mA) TEMPERATURE SENSE SPECS MOTOROLA RF/IF DEVICE DATA 3 MRFIC1504 Figure 1. Applications Schematic (1636.8 MHz LO) VCC L6 C7 L4 C28 C26 C27 R6 C8 C29 C32 L3 C30 L5 C33 AGC L2 C9 36 RF Input 35 34 33 32 31 30 29 28 27 26 25 37 24 C6 LNA 38 VCC 23 C20 39 22 40 21 41 20 C21 To IF Filter C34 C4 C22 4 25 42 L1 VCC 19 C3 43 R4 18 VCO From IF Filter PD 17 44 C10 R3 VCC C23 45 16 46 15 47 14 C11 R8 C24 C25 C12 C13 C2 R2 Temp Sense 48 Ref Osc Vreg Limiter Out 13 Enable R1 C1 1 2 3 4 5 6 8 7 9 10 11 12 Crystal VCC Temp Sense C19 Clock C18 C17 C1, C2 C3, C4 C6 C7, C14, C18, C20, C22, C24, C34 C8, C15, C19, C21, C23, C25, C27 C9 C10, C11, C12 C13 C16, C17 C26 C28 220 pF 1.7 pF 10 pF 0.01 F 1000 pF 1.0 F 1.0 npF 2.7 nF 27 pF 470 pF 0.6 pF C16 C14 C29, C30 C32, C33 L1 L2 L3, L5 L4 L6 R1, R2, R4 R3 R6 R8 C15 91 pF 1.0 nF 10 nH 3.9 nH 82 nH 0.62 H TBD 10 k 2k 1.2 k 5.0 k NOTES: 1. R8 must be set to match your 2nd IF filter impedance. 2. Layout of capacitors C10, C11, C12 is critical for stability of Limiter. 4 MOTOROLA RF/IF DEVICE DATA MRFIC1504 OUTLINE DIMENSIONS PLASTIC PACKAGE CASE 932-03 (LQFP-48) ISSUE F 4X 0.200 AB T-U Z DETAIL Y A P A1 48 37 1 36 T U B V AE B1 12 25 13 AE V1 24 DIM A A1 B B1 C D E F G H J K L M N P R S S1 V V1 W AA Z S1 T, U, Z S DETAIL Y 4X 0.200 AC T-U Z 0.080 AC G AB AD AC M_ BASE METAL N TOP & BOTTOM R J 0.250 EEE CCCC CCCC EEE CCCC EEE MILLIMETERS MIN MAX 7.000 BSC 3.500 BSC 7.000 BSC 3.500 BSC 1.400 1.600 0.170 0.270 1.350 1.450 0.170 0.230 0.500 BSC 0.050 0.150 0.090 0.200 0.500 0.700 0 _ 7_ 12 _REF 0.090 0.160 0.250 BSC 0.150 0.250 9.000 BSC 4.500 BSC 9.000 BSC 4.500 BSC 0.200 REF 1.000 REF C E GAUGE PLANE 9 NOTES: 1 DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2 CONTROLLING DIMENSION: MILLIMETER. 3 DATUM PLANE AB IS LOCATED AT BOTTOM OF LEAD AND IS COINCIDENT WITH THE LEAD WHERE THE LEAD EXITS THE PLASTIC BODY AT THE BOTTOM OF THE PARTING LINE. 4 DATUMS T, U, AND Z TO BE DETERMINED AT DATUM PLANE AB. 5 DIMENSIONS S AND V TO BE DETERMINED AT SEATING PLANE AC. 6 DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. ALLOWABLE PROTRUSION IS 0.250 PER SIDE. DIMENSIONS A AND B DO INCLUDE MOLD MISMATCH AND ARE DETERMINED AT DATUM PLANE AB. 7 DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. DAMBAR PROTRUSION SHALL NOT CAUSE THE D DIMENSION TO EXCEED 0.350. 8 MINIMUM SOLDER PLATE THICKNESS SHALL BE 0.0076. 9 EXACT SHAPE OF EACH CORNER IS OPTIONAL. F D 0.080 M AC T-U Z SECTION AE-AE W H L_ K DETAIL AD AA MOTOROLA RF/IF DEVICE DATA 5 MRFIC1504 NOTES 6 MOTOROLA RF/IF DEVICE DATA MRFIC1504 NOTES MOTOROLA RF/IF DEVICE DATA 7 MRFIC1504 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. 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Minato-ku, Tokyo 106-8573 Japan. 81-3-3440-3569 ASIA / PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, 2, Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. 852-26668334 HOME PAGE: http://www.motorola.com/semiconductors/ 8 MOTOROLA RF/IF DEVICE DATA MRFIC1504/D