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GP1020IGGPKR Datasheet(PDF) 1 Page - Zarlink Semiconductor Inc |
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GP1020IGGPKR Datasheet(HTML) 1 Page - Zarlink Semiconductor Inc |
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1 / 44 page  DS3605-2.2 The GP1020 is a six-channel CMOS digital correlator which has been designed to work with the GP1010 L1-channel down- converter or other integrated circuits, and may be used to acquire and track the GPS C/A code or the GLONASS signals. For each of the six channels the GP1020 includes independ- ent digital down-conversion to baseband, C/A code generation, correlation, and accumulate-and-dump registers. The GP1020 interfaces with a microprocessor via a 16-bit data bus to control the acquisition and tracking processes using the various registers on the chip. FEATURES s Six Fully Independent Correlation Channels s Switchable to Receive GPS or GLONASS Codes s Input Multiplexer for Multiple GPS Front-Ends – Allows Antenna Diversity s Input Multiplexer for GLONASS Multiple (Separate Channels) Front-Ends s Digital Interface Compatible with Most 16 or 32-Bit Microprocessors s Fully Compatible with GP1010 GPS Receiver Front-End s Sideways Stackable to give Multiples of Six Channels s 120-pin Plastic Quad Flatpack s Power Dissipation Less Than 500mW APPLICATIONS s GPS or GLONASS Navigation Systems s High Integrity Combined Receivers s GPS Geodetic Receivers s GPS Time Reference ORDERING INFORMATION The GP1020 is available in 120-pin Quad Flatpacks (Gullwing formed leads) in both Commercial (0 °C to 170°C) and Industrial (240 °C to 185°C) grades. The ordering codes below are for standard screened devices. ORDERING CODES GP1020 CG GPKR Commercial - Plastic 120-pin QFP (GP120) GP1020 IG GPKR Industrial - Plastic 120-pin QFP (GP120) GP 1020 91 120 61 90 1 30 31 60 GP120 Fig 1 Pin connections - top view ABSOLUTE MAXIMUM RATINGS These are not the operating conditions, but are the absolute limits which if exceeded, even momentarily, may cause perma- nent damage. To ensure sustained correct operation the device should be used within the limits given under Electrical Character- istics. Supply voltage (VDD) from ground (VSS): 2 0·3V to16·0 V Input voltage (any input pin): VSS20·3V to VDD10·3 V Output voltage (any output pin): VSS20·3V to VDD10·3 V Storage temperature: 2 55 °C to 1125°C RELATED PRODUCTS Description 35·42MHz SAW Filter GPS Receiver Front-End Part DW9255 GP1010 Datasheet Reference DS3861 DS3076 GP1020 SIX-CHANNEL PARALLEL CORRELATOR CIRCUIT FOR GPS OR GLONASS RECEIVERS FEBRUARY 1994 |
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