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CXA3355AER Dataheets PDF



Part Number CXA3355AER
Manufacturers Sony
Logo Sony
Description GPS Down Converter IC
Datasheet CXA3355AER DatasheetCXA3355AER Datasheet (PDF)

www.DataSheet4U.com GPS Down Converter IC CXA3355AER Description The CXA3355AER is an IC developed as a GPS RF down converter. This IC realizes a reduction in the number of external parts by integrating an LNA, image rejection mixer, IF filter, PLL and VCO (L, C) into a small package with low current consumption. (Applications: GPS down converter IC) Features ‹ Includes all functions required for the GPS down converter ‹ Low voltage operation: VCC = 1.6 to 2.0V ‹ Low current consumption (acti.

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www.DataSheet4U.com GPS Down Converter IC CXA3355AER Description The CXA3355AER is an IC developed as a GPS RF down converter. This IC realizes a reduction in the number of external parts by integrating an LNA, image rejection mixer, IF filter, PLL and VCO (L, C) into a small package with low current consumption. (Applications: GPS down converter IC) Features ‹ Includes all functions required for the GPS down converter ‹ Low voltage operation: VCC = 1.6 to 2.0V ‹ Low current consumption (active mode): 11mA (Typ. at VCC = 1.8V, IF ≈ 1MHz) ‹ Low current consumption (power save mode) < 1μA ‹ Total gain ≈ 100dB ‹ Total NF ≈ 4dB ‹ On-chip VCO and PLL ‹ Supports typical TCXO frequencies (13MHz, 16.368MHz, 18.414MHz, etc.) ‹ On-chip LNA (LNA NF: 2.0dB) ‹ Image rejection mixer ‹ On-chip IF filter, and an external filter can be connected as an option for further band narrowing. ‹ 1-bit IF output ‹ Antenna sense function Structure SiGe BiCMOS monolithic IC Package 44 pin VQFN (Plastic) Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E06702-CR CXA3355AER www.DataSheet4U.com Absolute Maximum Ratings (Ta = 25°C) Š Supply voltage VCC1 VCC2 VCC3 Topr Tstg –0.2 to +2.5 –0.2 to +3.6 –0.2 to +3.6 –40 to +85 –65 to +150 V V V °C °C Š Operating temperature Š Storage temperature Recommended Operating Conditions Supply voltage VCC1 VCC2 VCC3 1.6 to 2.0 1.6 to 3.3 2.7 to 3.3 V V V -2- CXA3355AER www.DataSheet4U.com Block Diagram and Pin Configuration VCC1 (LNA) GND (LNA) 23 22 GND (LNA) RF_AMP VCC1 (RF) 35 Mixer TESTINP 36 1536fo [1539fo] TESTINN 37 4fo [fo] IF_AMP1 90° 19 C_VCO Mixer 20 VCO_I LNA 21 GND (LNA) 18 GND DMPS TESTOUTN 39 IF Phase Shifter VCC1 (IF) 40 RC ×2 16 VCC1 (PLL) MC SC PFD CP 17 LPF 15 GND (PLL) 14 TCXO IF_AMP2 ENABLE 43 LPF HPF A/D Converter 13 CLK_OUT CTL 12 LT 5 6 7 8 9 10 11 LNA_OUT GND (RF) GND (RF) RF_INN RF_INP 33 VCC1 (RF) 34 32 31 30 29 28 27 26 25 24 1540fo = 1575.42MHz TESTOUTP 38 IF_AMP1 PLL GND (IF) 41 R_EXT1 42 R_EXT2 44 1 BIAS 2 3 ANT SENSE 4 VCC2 (IF) VCC3 (ANT) DATA_OUT GND (ANT) GND (IF) AILIM DIAG ASENS C_EXT DATA LNA_IN GND GND GND fo mode: IF = 1.023MHz 4fo mode: IF = 4.092MHz -3- CLK CXA3355AER www.DataSheet4U.com Pin Description Standard pin voltage [V] DC AC Pin No. Symbol Equivalent circuit Description VCC3 (ANT) 1 ASENS — — 1 Antenna sense input. GND (ANT) VCC3 (ANT) 2 DIAG — — 2 Antenna sense output. GND (ANT) VCC3 (ANT) 3 AILIM — — 3 Antenna sense current limitation. Connect to the external PNP transistor base pin. GND (ANT) 4 GND (ANT) 5 VCC3 (ANT) 0 3.0 — — Antenna sense GND. Antenna sense VCC. Lea.


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