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ATR0600

ATMEL Corporation
Part Number ATR0600
Manufacturer ATMEL Corporation
Description GPS Front-End
Published Nov 6, 2006
Detailed Description www.DataSheet4U.com Features • • • • • • Very Low Power Design (≈ 50 mW) Single IF Concept 2-bit ADC on Chip Small QFN ...
Datasheet PDF File ATR0600 PDF File

ATR0600
ATR0600

Overview
www.
DataSheet4U.
com Features • • • • • • Very Low Power Design (≈ 50 mW) Single IF Concept 2-bit ADC on Chip Small QFN Package (28 Pins) Highly Integrated, Few External Components UHF6 Technology Electrostatic sensitive device.
Observe precautions for handling.
GPS Front-end IC ATR0600 Description With the growing importance of mobile communication, location awareness is a key feature for more and more products and services.
Due to its small size and minimal power consumption, the GPS front-end IC ATR0600 is an ideal solution for mobile applications and navigation systems.
Figure 1.
Block Diagram 96.
76 MHz 1575.
42 MHz LC-BP VS3 LNA RFIN Preliminary Ant BP NBP BPI NBPI REF VDIG Dig.
IF at 4.
35 MHz SIGH SAW RFNIN VGA amp BP-Filter SIGL SC 23.
104 MHz OR AGCO VCO 1478.
6 MHz 64 1 1 4 Power control GC PFD XTO P2 VS1 VS2 VS5 VS7 X XTO NXTO NX P1 23.
104 MHz Rev.
4536F–GPS–10/03 DataSheet 4 U .
com www.
DataSheet4U.
com Pin Configuration Figure 2.
Pinning QFN28 n.
c.
RFNIN RFIN VS3 P1 P2 n.
c.
BP NBP BPI NBPI VS1 n.
c.
n.
c.
14 13 12 11 10 9 8 15 16 17 18 19 20 21 22 23 24 25 26 27 28 GC VS2 REF SIGL SIGH VDIG SC 7 6 5 4 3 2 1 X VS5 XTO NXTO VS7 NX AGCO Pin Description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Symbol AGCO NX VS7 NXTO XTO VS5 X n.
c.
P2 P1 VS3 RFIN RFNIN n.
c.
BP NBP BPI NBPI VS1 n.
c.
n.
c.
GC VS2 REF SIGL SIGH VDIG SC Type O OB P IB IB P OB – I I P IB IB – IB IB IB IB P – – I P O O O P O Function Signal level output Complementary to X ECL - blocks supply Complementary to XTO Quartz input XTO supply Quartz intermediate output Not connected Power-up quartz oscillator Power-up RF part Reference supply RF input 1.
575 GHz Complementary to RFIN Not connected Open-collector output of mixer Complementary to BP IF - filter input Complementary to BPI VCO + mixer + VGA supply Not connected Not connected Gain control input Subsampling unit supply Defining low threshold voltage Digital interface subsampled output...


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